Switch to using my fork of nixpkgs.

Everything got dimmer in 6.14 so I am reducing the abmlevel.

ansible/environments/colo/host_vars/mrmanager

@@ -14,8 +14,6 @@ pf_config: "mrmanager_pf.conf"
 pflog_conf:
   - name: 0
     dev: pflog0
-  - name: 1
-    dev: pflog1
 cputype: "amd"
 hwpstate: true
 etc_hosts: {}

ansible/playbook.yaml

@@ -53,7 +53,7 @@
     - javascript
     - launch_keyboard
     - lvfs
-    # - restaurant_health_rating
+    - restaurant_health_rating
     - wasm
     - noise_suppression
 

ansible/roles/base/files/gitconfig_home

@@ -3,52 +3,34 @@
 	name = Tom Alexander
 	signingkey = D3A179C9A53C0EDE
 [push]
-	default = simple # (default since 2.0)
+	default = simple
 [alias]
 	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
 	bh = log --oneline --branches=* --remotes=* --graph --decorate
 	amend = commit --amend --no-edit
-        authorcount = shortlog --summary --numbered --all --no-merges
+	authorcount = shortlog --summary --numbered --all --no-merges
 [core]
 	excludesfile = ~/.gitignore_global
 [commit]
 	gpgsign = true
-	verbose = true
 [pull]
 	rebase = true
 [log]
 	date = local
 [init]
 	defaultBranch = main
+
+# Use meld for `git difftool` and `git mergetool`
 [diff]
-	tool = meld # Use meld for `git difftool` and `git mergetool`
-	algorithm = histogram
-	colorMoved = plain
-	mnemonicPrefix = true
-	renames = true
+	tool = meld
 [difftool]
 	prompt = false
 [difftool "meld"]
 	cmd = meld "$LOCAL" "$REMOTE"
 [merge]
 	tool = meld
-	conflictStyle = zdiff3
 [mergetool "meld"]
         # Make the middle pane start with partially-merged contents:
 	cmd = meld "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
         # Make the middle pane start without any merge progress:
 	# cmd = meld "$LOCAL" "$BASE" "$REMOTE" --output "$MERGED"
-[column]
-	ui = auto
-[branch]
-	sort = -committerdate
-[tag]
-	sort = version:refname
-[fetch]
-	prune = true
-	pruneTags = true
-	all = true
-[rebase]
-	autoSquash = true
-	autoStash = true
-	updateRefs = false

ansible/roles/base/files/gitconfig_work

@@ -3,36 +3,32 @@
 	name = Tom Alexander
 	signingkey = D3A179C9A53C0EDE
 [push]
-	default = simple # (default since 2.0)
+	default = simple
 [alias]
 	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
 	bh = log --oneline --branches=* --remotes=* --graph --decorate
 	amend = commit --amend --no-edit
-        authorcount = shortlog --summary --numbered --all --no-merges
+	authorcount = shortlog --summary --numbered --all --no-merges
 [core]
 	excludesfile = ~/.gitignore_global
 [commit]
 	gpgsign = true
-	verbose = true
 [pull]
 	rebase = true
 [log]
 	date = local
 [init]
 	defaultBranch = main
+
+# Use meld for `git difftool` and `git mergetool`
 [diff]
-	tool = meld # Use meld for `git difftool` and `git mergetool`
-	algorithm = histogram
-	colorMoved = plain
-	mnemonicPrefix = true
-	renames = true
+	tool = meld
 [difftool]
 	prompt = false
 [difftool "meld"]
 	cmd = meld "$LOCAL" "$REMOTE"
 [merge]
 	tool = meld
-	conflictStyle = zdiff3
 [mergetool "meld"]
         # Make the middle pane start with partially-merged contents:
 	cmd = meld "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
@@ -40,19 +36,3 @@
 	# cmd = meld "$LOCAL" "$BASE" "$REMOTE" --output "$MERGED"
 [includeIf "gitdir:/bridge/"]
 	path = /bridge/git/machine_setup/ansible/roles/base/files/gitconfig_home
-[includeIf "gitdir:/persist/"]
-	path = /bridge/git/machine_setup/ansible/roles/base/files/gitconfig_home
-[column]
-	ui = auto
-[branch]
-	sort = -committerdate
-[tag]
-	sort = version:refname
-[fetch]
-	prune = true
-	pruneTags = true
-	all = true
-[rebase]
-	autoSquash = true
-	autoStash = true
-	updateRefs = false

ansible/roles/bhyve/files/bhyve_netgraph_bridge.bash

@@ -153,7 +153,6 @@ function start_vm {
             -D \
             -c $CPU_CORES \
             -m $MEMORY \
-            -S \
             -H \
             -P \
             -o 'rtc.use_localtime=false' \
@@ -217,7 +216,7 @@ EOF
 mkpeer ${host_interface_name}: bridge ether link0
 name ${host_interface_name}:ether $bridge_name
 EOF
-        ifconfig "$(ngctl msg "${host_interface_name}:" getifname | grep Args | cut -d '"' -f 2)" name "${host_interface_name}" "$ip_range" up
+        ifconfig $(ngctl msg "${host_interface_name}:" getifname | grep Args | cut -d '"' -f 2) name "${host_interface_name}" "$ip_range" up
     fi
 }
 

ansible/roles/bhyve/files/bhyverc.bash

@@ -1,459 +0,0 @@
-#!/usr/bin/env bash
-#
-set -euo pipefail
-IFS=$'\n\t'
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-# Share a host directory to the guest via 9pfs.
-#
-# Inside the VM run:
-#   mount -t virtfs -o trans=virtio sharename /some/vm/path
-#   mount -t 9p -o cache=mmap -o msize=512000 sharename /mnt/9p
-#   mount -t 9p -o trans=virtio,cache=mmap,msize=512000 bind9p /path/to/mountpoint
-# bhyve_options="-s 28,virtio-9p,sharename=/"
-
-# Enable Sound
-# bhyve_options="-s 16,hda,play=/dev/dsp,rec=/dev/dsp"
-
-# Example usage:
-#
-#   doas bhyverc create-disk zdata/vm/poudriere /vm/poudriere 10
-#   doas bhyverc start poudriere zdata/vm/poudriere /vm/poudriere /vm/iso/FreeBSD-13.2-RELEASE-amd64-bootonly.iso
-#   doas bhyverc start poudriere zdata/vm/poudriere /vm/poudriere
-
-
-: ${VERBOSE:="NO"} # or YES
-if [ "$VERBOSE" = "YES" ]; then
-    set -x
-fi
-
-: ${CPU_CORES:="1"}
-: ${MEMORY:="1G"}
-: ${NETWORK:="NAT"} # or RAW or BOTH
-: ${IP_RANGE:="10.215.1.1/24"} # Ignored for RAW networks
-: ${INTERFACE_NAME:="jail_nat"} # or the external interface like lagg0 for RAW networks
-: ${BRIDGE_NAME:="bridge_$INTERFACE_NAME"} # or bridge_raw for RAW networks
-: ${VNC_ENABLE:="NO"}
-: ${VNC_LISTEN:="127.0.0.1:5900"}
-: ${VNC_WIDTH:="1920"}
-: ${VNC_HEIGHT:="1080"}
-: ${BIND9P:=""}
-: "${CD:=}"
-
-: ${SHUTDOWN_TIMEOUT:="600"} # 10 minutes
-
-
-
-############## Setup #########################
-
-
-function die {
-    local status_code="$1"
-    shift
-    (>&2 echo "${@}")
-    exit "$status_code"
-}
-
-function log {
-    (>&2 echo "${@}")
-}
-
-############## Program #########################
-
-function main {
-    local cmd
-    cmd=$1
-    shift
-    if [ "$cmd" = "start" ]; then
-        init
-        start "${@}"
-    elif [ "$cmd" = "stop" ]; then
-        init
-        stop "${@}"
-    elif [ "$cmd" = "status" ]; then
-        init
-        status "${@}"
-    elif [ "$cmd" = "console" ]; then
-        init
-        console "${@}"
-    elif [ "$cmd" = "_start_body" ]; then
-        init
-        start_body "${@}"
-    elif [ "$cmd" = "create-disk" ]; then
-        create_disk "${@}"
-    else
-        (>&2 echo "Unknown command: $cmd")
-        exit 1
-    fi
-}
-
-function start {
-    local num_vms="$#"
-    if [ "$num_vms" -eq 0 ]; then
-        log "No VMs specified."
-        return 0
-    fi
-
-    while [ "$#" -gt 0 ]; do
-        local name="$1"
-        shift 1
-        log "Starting VM $name."
-        start_one "$name"
-        [ "$#" -eq 0 ] || sleep 5
-    done
-}
-
-function start_one {
-    local name="$1"
-    local tmux_name="$name"
-    /usr/local/bin/tmux new-session -d -s "$tmux_name" "$0" "_start_body" "$name"
-    # /usr/local/bin/tmux new-session -d -s "$tmux_name" "/usr/bin/env VNC_ENABLE=NO VNC_LISTEN=0.0.0.0:5900 /usr/local/bin/bash /home/talexander/launch_opnsense.bash"
-}
-
-function launch_pidfile {
-    local pidfile="$1"
-    shift 1
-    mkdir -p "$(dirname "$pidfile")"
-    cat > "${pidfile}" <<< "$$"
-    set -x
-    exec "${@}"
-}
-export -f launch_pidfile
-
-function stop {
-    local num_vms="$#"
-    if [ "$num_vms" -eq 0 ]; then
-        log "No VMs specified."
-        return 0
-    fi
-
-    while [ "$#" -gt 0 ]; do
-        local name="$1"
-        shift 1
-        log "Stopping VM $name."
-        stop_one "$name"
-        [ "$#" -eq 0 ] || sleep 5
-    done
-}
-
-function stop_one {
-    local name="$1"
-    local pidfile="/run/bhyverc/${name}/pid"
-
-    if [ ! -e "$pidfile" ]; then
-        log "Pid file $pidfile does not exist."
-        return 0
-    fi
-
-    local bhyve_pid
-    bhyve_pid=$(cat "$pidfile")
-
-    if ps -p "$bhyve_pid" >/dev/null; then
-        # Send ACPI shutdown command
-        log "Sending ACPI shutdown to ${name}:${bhyve_pid}."
-        kill -SIGTERM "$bhyve_pid"
-    fi
-
-    local timeout_start timeout_end
-    timeout_start=$(date +%s)
-    while ps -p "$bhyve_pid" >/dev/null; do
-        timeout_end=$(date +%s)
-        if [ $((timeout_end-timeout_start)) -ge "$SHUTDOWN_TIMEOUT" ]; then
-            log "${name}:${bhyve_pid} took more than $SHUTDOWN_TIMEOUT seconds to shut down. Hard powering down."
-            break
-        fi
-
-        log "Waiting for ${name}:${bhyve_pid} to exit."
-        sleep 2
-    done
-
-    bhyvectl "--vm=$name" --destroy || true
-
-    local timeout_start timeout_end
-    timeout_start=$(date +%s)
-    while ps -p "$bhyve_pid" >/dev/null; do
-        timeout_end=$(date +%s)
-        if [ $((timeout_end-timeout_start)) -ge "$SHUTDOWN_TIMEOUT" ]; then
-            log "${name}:${bhyve_pid} took more than $SHUTDOWN_TIMEOUT seconds to hard power down. Giving up."
-            break
-        fi
-
-        log "Waiting for ${name}:${bhyve_pid} to hard power down."
-        sleep 2
-    done
-
-    rm -f "$pidfile"
-
-    log "Finished stopping $name."
-}
-
-function status {
-    local num_vms="$#"
-
-    if [ "$num_vms" -gt 0 ]; then
-        for name in "$@"; do
-            status_one "$name"
-        done
-    else
-        log "No VMs specified."
-    fi
-}
-
-function status_one {
-    local name="$1"
-    local pidfile="/run/bhyverc/${name}/pid"
-
-    if [ ! -e "$pidfile" ]; then
-        log "$name is not running."
-        return 0
-    fi
-
-    local bhyve_pid
-    bhyve_pid=$(cat "$pidfile")
-
-    if ! ps -p "$bhyve_pid" >/dev/null; then
-        log "$name is not running."
-        return 0
-    fi
-
-    log "$name is running as pid $bhyve_pid."
-}
-
-function console {
-    local num_vms="$#"
-
-    if [ "$num_vms" -gt 0 ]; then
-        for name in "$@"; do
-            log "Attaching to console of VM $name."
-            console_one "$name"
-        done
-    else
-        log "No VMs specified."
-    fi
-}
-
-function console_one {
-    local name="$1"
-    local tmux_name="$name"
-    exec tmux a -t "$tmux_name"
-}
-
-function init {
-    mkdir -p /run/bhyverc
-}
-
-############## Bhyve ###########################
-
-function create_disk {
-    local zfs_path="$1"
-    local mount_path="$2"
-    local gigabytes="$3"
-    zfs create -o "mountpoint=$mount_path" "$zfs_path"
-    cp /usr/local/share/edk2-bhyve/BHYVE_UEFI_VARS.fd "${mount_path}/"
-    tee "${mount_path}/settings" <<EOF
-CPU_CORES="$CPU_CORES"
-MEMORY="$MEMORY"
-NETWORK="$NETWORK"
-IP_RANGE="$IP_RANGE"
-BRIDGE_NAME="$BRIDGE_NAME"
-INTERFACE_NAME="$INTERFACE_NAME"
-EOF
-    zfs create -s "-V${gigabytes}G" -o volmode=dev -o primarycache=metadata -o secondarycache=none "$zfs_path/disk0"
-}
-
-function start_body {
-    local name="$1"
-    local zfs_path="zdata/vm/$name"
-    local mount_path="/vm/$name"
-    local mount_cd="$CD"
-
-    if [ -e "${mount_path}/settings" ]; then
-        source "${mount_path}/settings"
-    fi
-
-    local host_interface_name="$INTERFACE_NAME" # for raw, external interface
-    local bridge_name="$BRIDGE_NAME"
-    local ip_range="$IP_RANGE" # for raw this value does not matter
-
-    local mac_address
-    mac_address=$(calculate_mac_address "$name")
-
-    local additional_args=()
-
-    if [ "$NETWORK" = "NAT" ]; then
-        assert_bridge "$host_interface_name" "$bridge_name" "$ip_range"
-        local bridge_link_name=$(detect_available_link "${bridge_name}")
-        additional_args+=("-s" "2:0,virtio-net,netgraph,path=${bridge_name}:,peerhook=${bridge_link_name},mac=${mac_address}")
-    elif [ "$NETWORK" = "RAW" ]; then
-        assert_raw "$host_interface_name" "$bridge_name"
-        local bridge_link_name=$(detect_available_link "${bridge_name}")
-        additional_args+=("-s" "2:0,virtio-net,netgraph,path=${bridge_name}:,peerhook=${bridge_link_name},mac=${mac_address}")
-    elif [ "$NETWORK" = "BOTH" ]; then
-        assert_bridge "jail_nat" "$bridge_name" "$ip_range"
-        assert_raw "$host_interface_name" "bridge_raw"
-        local bridge_link_name=$(detect_available_link "${bridge_name}")
-        local raw_bridge_link_name=$(detect_available_link "bridge_raw")
-        local raw_mac_address=$(calculate_mac_address "${name}_raw")
-        additional_args+=("-s" "2:0,virtio-net,netgraph,path=${bridge_name}:,peerhook=${bridge_link_name},mac=${mac_address}")
-        additional_args+=("-s" "3:0,virtio-net,netgraph,path=bridge_raw:,peerhook=${raw_bridge_link_name},mac=${raw_mac_address}")
-    else
-        die 1 "Unrecognized NETWORK type $NETWORK"
-    fi
-
-    if [ -n "$BIND9P" ]; then
-        additional_args+=("-s" "28,virtio-9p,bind9p=${BIND9P}")
-    fi
-
-
-    # -H release the CPU when guest issues HLT instruction. Otherwise 100% of core will be consumed.
-         # -s 3,ahci-cd,/vm/.iso/archlinux-2023.04.01-x86_64.iso \
-             # -s 29,fbuf,tcp=0.0.0.0:5900,w=1920,h=1080,wait \
-            # -s 29,fbuf,tcp=0.0.0.0:5900,w=1920,h=1080 \
-
-    # TODO: Look into using nmdm instead of stdio for serial console
-    if [ -n "$mount_cd" ]; then
-        additional_args+=("-s" "5,ahci-cd,$mount_cd")
-    fi
-    if [ "$VNC_ENABLE" = "YES" ]; then
-        additional_args+=("-s" "29,fbuf,tcp=$VNC_LISTEN,w=$VNC_WIDTH,h=$VNC_HEIGHT")
-    fi
-    vms+=("$name")
-    while true; do
-        local pidfile="/run/bhyverc/${name}/pid"
-        trap "set +e; stop_one '${name}'" EXIT
-
-        local launch_cmd=()
-        launch_cmd+=(
-            launch_pidfile "$pidfile"
-            bhyve
-            -D
-            -c "$CPU_CORES"
-            -m "$MEMORY"
-            -S
-            -H
-            -o 'rtc.use_localtime=false'
-            -s "0,hostbridge"
-            -s "4,nvme,/dev/zvol/${zfs_path}/disk0"
-            -s "30,xhci,tablet"
-            -s "31,lpc" -l "com1,stdio"
-            -l "bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd,${mount_path}/BHYVE_UEFI_VARS.fd"
-            "${additional_args[@]}"
-            "$name"
-        )
-        set +e
-        rm -f "$pidfile"
-        (
-            IFS=$' \n\t'
-            set -ex
-            bash -c "${launch_cmd[*]}"
-        )
-        local exit_code=$?
-        log "Exit code ${exit_code}"
-        set -e
-        if [ $exit_code -eq 0 ]; then
-            echo "Rebooting."
-            sleep 5
-        elif [ $exit_code -eq 1 ]; then
-            echo "Powered off."
-            break
-        elif [ $exit_code -eq 2 ]; then
-            echo "Halted."
-            break
-        elif [ $exit_code -eq 3 ]; then
-            echo "Triple fault."
-            break
-        elif [ $exit_code -eq 4 ]; then
-            echo "Exited due to an error."
-            break
-        fi
-    done
-}
-
-function detect_available_link {
-    local bridge_name="$1"
-    local linknum=1
-    while true; do
-        local link_name="link${linknum}"
-        if ! ng_exists "${bridge_name}:${link_name}"; then
-            echo "$link_name"
-            return
-        fi
-        linknum=$((linknum + 1))
-        if [ "$linknum" -gt 90 ]; then
-            (>&2 echo "No available links on bridge $bridge_name")
-            exit 1
-        fi
-    done
-}
-
-function assert_bridge {
-    local host_interface_name="$1"
-    local bridge_name="$2"
-    local ip_range="$3"
-
-    if ! ng_exists "${bridge_name}:"; then
-        ngctl -d -f - <<EOF
-mkpeer . eiface hook ether
-name .:hook $host_interface_name
-EOF
-        ngctl -d -f - <<EOF
-mkpeer ${host_interface_name}: bridge ether link0
-name ${host_interface_name}:ether $bridge_name
-EOF
-        ifconfig "$(ngctl msg "${host_interface_name}:" getifname | grep Args | cut -d '"' -f 2)" name "${host_interface_name}" "$ip_range" up
-    fi
-}
-
-function assert_raw {
-    local extif="$1"
-    local bridge_name="$2"
-
-    kldload -n ng_bridge ng_eiface ng_ether
-
-    if ! ng_exists "${bridge_name}:"; then
-        ngctlcat <<EOF
-# Create a bridge.
-mkpeer $extif: bridge lower link0
-# Assign a name to the bridge.
-name $extif:lower ${bridge_name}
-# Since the host is also using $extif, we need to connect the upper hook also. Otherwise we will lose connectivity.
-connect $extif: ${bridge_name}: upper link1
-
-# Enable promiscuous mode so the host ethernet adapter accepts packets for all addresses
-msg $extif: setpromisc 1
-
-# Do not overwrite source address on packets
-msg $extif: setautosrc 0
-EOF
-    fi
-}
-
-function ng_exists {
-    ngctl status "${1}" >/dev/null 2>&1
-}
-
-function calculate_mac_address {
-    local name="$1"
-    local source
-    source=$(md5 -r -s "$name" | awk '{print $1}')
-    echo "06:${source:0:2}:${source:2:2}:${source:4:2}:${source:6:2}:${source:8:2}"
-}
-
-function find_available_port {
-    local start_port="$1"
-    local port="$start_port"
-    while true; do
-        sockstat -P tcp -p 443
-        port=$((port + 1))
-    done
-}
-
-function ngctlcat {
-    if [ "$VERBOSE" = "YES" ]; then
-        tee /dev/tty | ngctl -d -f -
-    else
-        ngctl -d -f -
-    fi
-}
-
-main "${@}"

ansible/roles/bhyve/files/bhyverc.sh

@@ -1,37 +0,0 @@
-#!/bin/sh
-#
-# REQUIRE: LOGIN FILESYSTEMS
-# PROVIDE: bhyverc
-# KEYWORD: shutdown
-
-. /etc/rc.subr
-name=bhyverc
-rcvar=${name}_enable
-start_cmd="${name}_start"
-stop_cmd="${name}_stop"
-status_cmd="${name}_status"
-console_cmd="${name}_console"
-extra_commands="console"
-load_rc_config $name
-
-bhyverc_start() {
-    export PATH="$PATH:/usr/local/bin"
-    exec /usr/local/bin/bhyverc start "${@}"
-}
-
-bhyverc_status() {
-    export PATH="$PATH:/usr/local/bin"
-    exec /usr/local/bin/bhyverc status "${@}"
-}
-
-bhyverc_stop() {
-    export PATH="$PATH:/usr/local/bin"
-    exec /usr/local/bin/bhyverc stop "${@}"
-}
-
-bhyverc_console() {
-    export PATH="$PATH:/usr/local/bin"
-    exec /usr/local/bin/bhyverc console "${@}"
-}
-
-run_rc_command "$@"

ansible/roles/bhyve/tasks/freebsd.yaml

@@ -22,25 +22,6 @@
   loop:
     - src: bhyve_netgraph_bridge.bash
       dest: /usr/local/bin/bhyve_netgraph_bridge
-    - src: bhyverc.bash
-      dest: /usr/local/bin/bhyverc
-
-- name: Install rc script
-  copy:
-    src: "files/{{ item.src }}"
-    dest: "/usr/local/etc/rc.d/{{ item.dest|default(item.src) }}"
-    owner: root
-    group: wheel
-    mode: 0755
-  loop:
-    - src: bhyverc.sh
-      dest: bhyverc
-
-- name: Enable bhyverc
-  community.general.sysrc:
-    name: bhyverc_enable
-    value: "YES"
-    path: /etc/rc.conf.d/bhyverc
 
 - name: Create zfs dataset
   zfs:

ansible/roles/chromium/files/chromium-flags.conf

@@ -1,2 +1,2 @@
 --ozone-platform-hint=auto
---enable-features=VaapiVideoDecoder,VaapiIgnoreDriverChecks,Vulkan,DefaultANGLEVulkan,VulkanFromANGLE,AcceleratedVideoEncoder
+--enable-features=VaapiVideoDecoder,VaapiIgnoreDriverChecks,Vulkan,DefaultANGLEVulkan,VulkanFromANGLE

ansible/roles/emacs/files/elisp/base-extensions.el

@@ -51,27 +51,17 @@
 ;; Persist history over Emacs restarts. Vertico sorts by history position.
 (use-package savehist
   ;; This is an emacs built-in but we're pulling the latest version
-  :pin gnu
   :config
   (savehist-mode))
 
 (use-package which-key
-  :pin gnu
   :diminish
   :config
   (which-key-mode))
 
 (use-package windmove
-  ;; This is an emacs built-in but we're pulling the latest version
-  :pin gnu
-  :bind
-  (
-   ("S-<up>" . windmove-up)
-   ("S-<right>" . windmove-right)
-   ("S-<down>" . windmove-down)
-   ("S-<left>" . windmove-left)
-   )
-  )
+  :config
+  (windmove-default-keybindings))
 
 (setq tramp-default-method "ssh")
 

ansible/roles/emacs/files/elisp/base.el

@@ -63,9 +63,6 @@
  show-trailing-whitespace t
  ;; Remove the line when killing it with ctrl-k
  kill-whole-line t
-
- ;; Show the current project in the mode line
- project-mode-line t
  )
 
 ;; (setq-default fringes-outside-margins t)

ansible/roles/emacs/files/elisp/lang-nix.el

@@ -7,15 +7,15 @@
   :commands nix-mode
   :hook (
          (nix-mode . (lambda ()
-                       (eglot-ensure)
-                       (defclass my/eglot-nix (eglot-lsp-server) ()
-                         :documentation
-                         "Own eglot server class.")
+                             ;; (eglot-ensure)
+                             ;; (defclass my/eglot-nix (eglot-lsp-server) ()
+                             ;;   :documentation
+                             ;;   "Own eglot server class.")
 
-                       (add-to-list 'eglot-server-programs
-                                    '(nix-mode . (my/eglot-nix "nixd")))
-                       (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
-                       ))
+                             ;; (add-to-list 'eglot-server-programs
+                             ;;              '(nix-mode . (my/eglot-nix "nixd")))
+                             ;; (add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
+                             ))
          )
   )
 

ansible/roles/emacs/files/elisp/lang-org.el

@@ -1,23 +1,16 @@
 (use-package org
   :ensure nil
   :commands org-mode
-  :bind (:map org-mode-map
+  :bind (
          ("C-c l" . org-store-link)
          ("C-c a" . org-agenda)
-         ("S-<up>" . org-shiftup)
-         ("S-<right>" . org-shiftright)
-         ("S-<down>" . org-shiftdown)
-         ("S-<left>" . org-shiftleft)
+         ("C--" . org-timestamp-down)
+         ("C-=" . org-timestamp-up)
          )
   :hook (
          (org-mode . (lambda ()
                        (org-indent-mode +1)
-                       ))
-         ;; Make windmove work in Org mode:
-         (org-shiftup-final . windmove-up)
-         (org-shiftleft-final . windmove-left)
-         (org-shiftdown-final . windmove-down)
-         (org-shiftright-final . windmove-right)
+                        ))
          )
   :config
   (require 'org-tempo)
@@ -45,8 +38,6 @@
 
   ;; TODO: There is an option to set the compiler, could be better than manually doing this here https://orgmode.org/manual/LaTeX_002fPDF-export-commands.html
   ;; (setq org-latex-compiler "lualatex")
-  ;; TODO: nixos latex page recommends this line, figure out what it does / why its needed:
-  ;; (setq org-preview-latex-default-process 'dvisvgm)
   (setq org-latex-pdf-process
         '("lualatex -shell-escape -interaction nonstopmode -output-directory %o %f"
           "lualatex -shell-escape -interaction nonstopmode -output-directory %o %f"

ansible/roles/emacs/files/elisp/util-tree-sitter.el

@@ -4,8 +4,6 @@
   :commands (treesit-install-language-grammar treesit-ready-p)
   :init
   (setq treesit-language-source-alist '())
-  :custom
-  (treesit-max-buffer-size 209715200) ;; 200MiB
   :config
   ;; Default to the max level of detail in treesitter highlighting. This
   ;; can be overridden in each language's use-package call with:

ansible/roles/emacs/files/init.el

@@ -38,6 +38,4 @@
 
 (require 'lang-nix)
 
-(require 'lang-cmake)
-
 (load-directory autoload-directory)

ansible/roles/firefox/defaults/main.yaml

@@ -40,6 +40,6 @@ firefox_config:
   privacy.fingerprintingProtection: true
   # Allow sending dark mode preference to websites.
   # Allow sending timezone to websites.
-  privacy.fingerprintingProtection.overrides: "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC,-CanvasExtractionBeforeUserInputIsBlocked,-CanvasImageExtractionPrompt,-CanvasExtractionFromThirdPartiesIsBlocked"
+  privacy.fingerprintingProtection.overrides: "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC,-CanvasExtractionBeforeUserInputIsBlocked"
   # Disable weather on new tab page
   browser.newtabpage.activity-stream.showWeather: false

ansible/roles/firefox/tasks/linux.yaml

@@ -3,5 +3,4 @@
     name:
       - libfido2
       - firefox-developer-edition
-      - speech-dispatcher # For TTS
     state: present

ansible/roles/firewall/files/mrmanager_pf.conf

@@ -2,8 +2,7 @@ ext_if = "lagg0"
 not_ext_if = "{ !lagg0 }"
 jail_nat_v4 = "{ 10.215.1.0/24 }"
 not_jail_nat_v4 = "{ any, !10.215.1.0/24 }"
-# pub_k8s = "{ 74.80.180.136/29, !74.80.180.138 }"
-pub_k8s = "{ 74.80.180.137, 74.80.180.139, 74.80.180.140, 74.80.180.141, 74.80.180.142 }"
+pub_k8s = "{ 74.80.180.136/29, !74.80.180.138 }"
 
 dhcp = "{ bootpc, bootps }"
 allow = "{ colo }"
@@ -36,22 +35,18 @@ scrub in on $ext_if all fragment reassemble
 nat on $ext_if inet from ! ($ext_if) to ! ($ext_if) -> ($ext_if)
 rdr pass on jail_nat proto {tcp, udp} from any to 10.215.1.1 port 53 tag REDIREXTERNAL -> 1.1.1.1 port 53
 
-rdr pass on $ext_if proto {tcp, udp} to ($ext_if) port 6443 tag REDIRINTERNAL -> 10.215.1.204 port 6443
+rdr pass on $ext_if proto {tcp, udp} to ($ext_if) port 6443 -> 10.215.1.204 port 6443
 rdr pass on jail_nat proto {tcp, udp} to ($ext_if) port 6443 tag REDIRINTERNAL -> 10.215.1.204 port 6443
 
-rdr pass on $ext_if proto {tcp, udp} to ($ext_if) port 19993 tag REDIRINTERNAL -> 10.215.1.204 port 19993
+rdr pass on $ext_if proto {tcp, udp} to ($ext_if) port 19993 -> 10.215.1.204 port 19993
 rdr pass on jail_nat proto {tcp, udp} to ($ext_if) port 19993 tag REDIRINTERNAL -> 10.215.1.204 port 19993
 
-rdr pass proto {tcp, udp} from $not_jail_nat_v4 to ($ext_if) port 65099 tag REDIRINTERNAL -> 10.215.1.210 port 22
+rdr pass proto {tcp, udp} from $not_jail_nat_v4 to ($ext_if) port 65099 -> 10.215.1.210 port 22
 rdr pass proto {tcp, udp} from $jail_nat_v4 to ($ext_if) port 65099 tag REDIRINTERNAL -> 10.215.1.210 port 22
 
-# log (to pflog1)
-rdr pass proto {tcp, udp} from $not_jail_nat_v4 to ($ext_if) port 53 tag REDIRINTERNAL -> 10.215.1.211 port 53
+rdr pass proto {tcp, udp} from $not_jail_nat_v4 to ($ext_if) port 53 -> 10.215.1.211 port 53
 rdr pass proto {tcp, udp} from $jail_nat_v4 to ($ext_if) port 53 tag REDIRINTERNAL -> 10.215.1.211 port 53
 
-rdr pass proto {tcp, udp} from $not_jail_nat_v4 to ($ext_if) port 65122 tag REDIRINTERNAL -> 10.215.1.219 port 22
-rdr pass proto {tcp, udp} from $jail_nat_v4 to ($ext_if) port 65122 tag REDIRINTERNAL -> 10.215.1.219 port 22
-
 nat pass tagged REDIRINTERNAL -> (jail_nat)
 nat pass tagged REDIREXTERNAL -> ($ext_if)
 

ansible/roles/framework_laptop/files/screen_brightness_tmpfiles.conf

@@ -1,2 +1,2 @@
 # Set screen brightness. Ever since enabling adaptive brightness management, my brightness ends up sinking lower on re-boots (I suspect it is saving the actual brightness rather than the set brightness). This forces the brightness back to the level I prefer.
-w- /sys/class/backlight/amdgpu_bl0/brightness - - - - 21845
+w- /sys/class/backlight/amdgpu_bl0/brightness - - - - 85

ansible/roles/framework_laptop/tasks/linux.yaml

@@ -34,7 +34,7 @@
 
 - name: Configure kernel command line
   zfs:
-    name: "zroot/linux/archwork/be"
+    name: "zroot/linux"
     state: present
     extra_zfs_properties:
       # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.

ansible/roles/jail/templates/new_jail.bash.j2

@@ -26,7 +26,7 @@ function by_src {
 }
 
 function by_bin {
-    DESTRELEASE=14.1-RELEASE
+    DESTRELEASE=13.2-RELEASE
     DESTARCH=`uname -m`
     SOURCEURL=http://ftp.freebsd.org/pub/FreeBSD/releases/$DESTARCH/$DESTRELEASE/
     for component in base ports; do fetch $SOURCEURL/$component.txz -o - | tar -xf - -C "$DESTDIR" ; done

ansible/roles/jail_nat_dhcp/files/kea-dhcp4.conf

@@ -94,18 +94,7 @@
                         // momlaptop - hard-coded in rc.conf, reproduced here to reserve ip
                         "hw-address": "06:85:69:c5:6a:d6",
                         "ip-address": "10.215.1.218"
-                    },
-                    {
-                        // hydra
-                        "hw-address": "06:84:36:68:03:77",
-                        "ip-address": "10.215.1.219"
-                    },
-                    {
-                        // certificate - hard-coded in rc.conf, reproduced here to reserve ip
-                        "hw-address": "06:7b:e0:08:16:5d",
-                        "ip-address": "10.215.1.220"
                     }
-
                 ]
             }
         ],

ansible/roles/kanshi/files/config_kanshi

@@ -1,11 +1,3 @@
-profile office {
-	output eDP-1 disable
-	output "Dell Inc. DELL C2722DE 6PH6T83" enable
-}
-profile office2 {
-	output eDP-1 disable
-	output "BOE 0x0BCA Unknown" enable
-}
 profile docked {
 	output eDP-1 disable
 	output "Dell Inc. DELL U3014 P1V6N35M329L" enable

ansible/roles/mrmanager/files/nfsd_rc.conf

@@ -1,4 +1 @@
 nfs_server_enable="YES"
-# nfsv4_server_enable="YES"
-# nfsv4_server_only="YES"
-nfs_server_flags="-u -t --minthreads 1 --maxthreads 32"

ansible/roles/mrmanager/tasks/freebsd.yaml

@@ -8,37 +8,37 @@
     - name: net.link.ether.inet.proxyall
       value: "1"
 
-# - name: Install service configuration
-#   copy:
-#     src: "files/{{ item }}_rc.conf"
-#     dest: "/etc/rc.conf.d/{{ item }}"
-#     mode: 0644
-#     owner: root
-#     group: wheel
-#   loop:
-#     - nfsd
-#     - mountd
-#     - lockd
-#     - statd
-#     - rpcbind
+- name: Install service configuration
+  copy:
+    src: "files/{{ item }}_rc.conf"
+    dest: "/etc/rc.conf.d/{{ item }}"
+    mode: 0644
+    owner: root
+    group: wheel
+  loop:
+    - nfsd
+    - mountd
+    - lockd
+    - statd
+    - rpcbind
 
-# - name: Create zfs datasets
-#   zfs:
-#     name: zdata/k8spersistent
-#     state: present
-#     extra_zfs_properties:
-#       sharenfs: "-network 10.215.1.0/24,-alldirs,-maproot=root:root"
-#       mountpoint: /k8spersistent
+- name: Create zfs datasets
+  zfs:
+    name: zdata/k8spersistent
+    state: present
+    extra_zfs_properties:
+      sharenfs: "-network 10.215.1.0/24,-alldirs,-maproot=root:root"
+      mountpoint: /k8spersistent
 
-# - name: Update ownership
-#   file:
-#     name: "{{ item }}"
-#     state: directory
-#     mode: 0777
-#     owner: root
-#     group: wheel
-#   loop:
-#     - /k8spersistent
+- name: Update ownership
+  file:
+    name: "{{ item }}"
+    state: directory
+    mode: 0777
+    owner: root
+    group: wheel
+  loop:
+    - /k8spersistent
 
 - name: Install scripts
   copy:

ansible/roles/package_manager/files/pacman.conf

@@ -81,6 +81,12 @@ Include = /etc/pacman.d/mirrorlist
 [extra]
 Include = /etc/pacman.d/mirrorlist
 
+#[community-testing]
+#Include = /etc/pacman.d/mirrorlist
+
+[community]
+Include = /etc/pacman.d/mirrorlist
+
 # If you want to run 32 bit applications on your x86_64 system,
 # enable the multilib repositories as required here.
 

ansible/roles/public_dns/files/master.db

@@ -23,9 +23,6 @@ $ORIGIN fizz.buzz.
 ; Allows receivers to know you send your mail via Fastmail, and other servers
 IN TXT v=spf1 include:spf.messagingengine.com ?all
 
-; Tell receivers what to do with fake email
-_dmarc IN TXT "v=DMARC1; p=none; rua=mailto:postmaster@fizz.buzz;"
-
 ns1     IN A     74.80.180.138
 ns2     IN A     74.80.180.138
 

ansible/roles/sftp/tasks/common.yaml

@@ -64,6 +64,23 @@
 #     force: true
 #   diff: false
 
+- name: Create directories
+  file:
+    name: "{{ item }}"
+    state: directory
+    mode: 0700
+    owner: nochainstounlock
+    group: nochainstounlock
+  loop:
+    - /home/nochainstounlock/.ssh
+
+- name: Set authorized keys
+  authorized_key:
+    user: nochainstounlock
+    key: |
+      ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMrjXsXjtxEm47XnRZfo67kJULoc0NBLrB0lPYFiS2Ar kodi@neelix
+    exclusive: true
+
 - import_tasks: tasks/freebsd.yaml
   when: 'os_flavor == "freebsd"'
 

ansible/roles/sway/files/config

@@ -23,7 +23,6 @@ set $menu wofi --show drun --gtk-dark
 
 # Do not show a title bar on windows
 default_border pixel 2
-hide_edge_borders smart_no_gaps
 
 bindsym $mod+grave exec $term
 

ansible/roles/sway/files/start_screen_share.bash

@@ -5,6 +5,6 @@ set -euo pipefail
 IFS=$'\n\t'
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-makoctl mode -s do-not-disturb
+makoctl set-mode do-not-disturb
 
 swaymsg output "'Dell Inc. DELL U3014 P1V6N35M329L'" scale 2

ansible/roles/sway/files/stop_screen_share.bash

@@ -5,6 +5,6 @@ set -euo pipefail
 IFS=$'\n\t'
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-makoctl mode -s default
+makoctl set-mode default
 
 swaymsg output "'Dell Inc. DELL U3014 P1V6N35M329L'" scale 1

ansible/roles/vscode/files/keybindings.json

@@ -20,12 +20,6 @@
         "command": "-workbench.action.navigateBack",
         "when": "canNavigateBack"
     },
-  {
-    // This isn't quite right. In emacs it would go back to the last location you performed an action which could include navigation. This goes back to the place where you last changed the text. Either way, close enough.
-        "key": "ctrl+x ctrl+x",
-        "command": "workbench.action.navigateToLastEditLocation",
-        "when": "canNavigateToLastEditLocation"
-    },
     {
         "key": "shift+alt+/",
         "command": "editor.action.goToReferences",

ansible/roles/vscode/files/settings.json

@@ -18,7 +18,6 @@
   "workbench.editor.showTabs": "none",
   "workbench.activityBar.location": "hidden",
   "window.menuBarVisibility": "toggle",
-  "window.commandCenter": false,
   "explorer.autoReveal": false,
   "[python]": {
     "editor.defaultFormatter": "ms-python.black-formatter",
@@ -32,25 +31,11 @@
     "editor.defaultFormatter": "hashicorp.terraform",
     "editor.formatOnSave": true
   },
-  "[typescript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode",
-    "editor.formatOnSave": true
-  },
-  "[typescriptreact]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode",
-    "editor.formatOnSave": true
-  },
-  "javascript.autoClosingTags": false,
-  "typescript.autoClosingTags": false,
   "black-formatter.importStrategy": "fromEnvironment",
   "workbench.statusBar.visible": false,
   "git.openRepositoryInParentFolders": "never",
   "files.autoSave": "afterDelay",
   "editor.rulers": [
     100
-  ],
-  "workbench.secondarySideBar.defaultVisibility": "hidden",
-  "editor.autoClosingBrackets": "never",
-  "editor.autoSurround": "never",
-  "workbench.editor.navigationScope": "editorGroup"
+  ]
 }

ansible/roles/zfs/tasks/linux.yaml

@@ -27,8 +27,7 @@
   args:
     creates: "/var/cache/pacman/custom/{{ item }}-*.pkg.tar.*"
   loop:
-    # - zfs-dkms-git
-    - zfs-dkms
+    - zfs-dkms-git
     - zfs-utils
 
 - name: Update cache
@@ -41,8 +40,7 @@
 - name: Install packages
   package:
     name:
-      # - zfs-dkms-git
-      - zfs-dkms
+      - zfs-dkms-git
       - zfs-utils
     state: present
 

nix/configuration/.gitignore

@@ -0,0 +1 @@
+result

nix/configuration/configuration.nix

@@ -0,0 +1,277 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    ./roles/2ship2harkinian
+    ./roles/alacritty
+    ./roles/amd_s2idle
+    ./roles/ansible
+    ./roles/ares
+    ./roles/bluetooth
+    ./roles/boot
+    ./roles/chromecast
+    ./roles/chromium
+    ./roles/d2
+    ./roles/direnv
+    ./roles/distributed_build
+    ./roles/docker
+    ./roles/ecc
+    ./roles/emacs
+    ./roles/firefox
+    ./roles/firewall
+    ./roles/flux
+    ./roles/fonts
+    ./roles/gcloud
+    ./roles/git
+    ./roles/global_options
+    ./roles/gnuplot
+    ./roles/gpg
+    ./roles/graphics
+    ./roles/hydra
+    ./roles/iso
+    ./roles/iso_mount
+    ./roles/kanshi
+    ./roles/kodi
+    ./roles/kubernetes
+    ./roles/latex
+    ./roles/launch_keyboard
+    ./roles/lvfs
+    ./roles/media
+    ./roles/memtest86
+    ./roles/network
+    ./roles/nix_index
+    ./roles/nix_worker
+    ./roles/nvme
+    ./roles/optimized_build
+    ./roles/pcsx2
+    ./roles/python
+    ./roles/qemu
+    ./roles/reset
+    ./roles/rpcs3
+    ./roles/rust
+    ./roles/shadps4
+    ./roles/shikane
+    ./roles/shipwright
+    ./roles/sm64ex
+    ./roles/sops
+    ./roles/sound
+    ./roles/ssh
+    ./roles/steam
+    ./roles/steam_run_free
+    ./roles/sway
+    ./roles/tekton
+    ./roles/terraform
+    ./roles/thunderbolt
+    ./roles/vnc_client
+    ./roles/vscode
+    ./roles/wasm
+    ./roles/waybar
+    ./roles/wireguard
+    ./roles/zfs
+    ./roles/zrepl
+    ./roles/zsh
+    ./util/install_files
+    ./util/unfree_polyfill
+  ];
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+  nix.settings.trusted-users = [ "@wheel" ];
+
+  # boot.kernelPackages = pkgs.linuxPackages_6_11;
+  hardware.enableRedistributableFirmware = true;
+
+  # Use nixos-rebuild-ng
+  # system.rebuild.enableNg = true;
+
+  # Keep outputs so we can build offline.
+  nix.extraOptions = ''
+    keep-outputs = true
+    keep-derivations = true
+  '';
+
+  # Technically only needed when building the ISO because nix detects ZFS in the filesystem list normally. I basically always want this so I'm just setting it to always be on.
+  boot.supportedFilesystems.zfs = true;
+  # TODO: Is this different from boot.supportedFilesystems = [ "zfs" ]; ?
+
+  services.getty = {
+    autologinUser = "talexander"; # I use full disk encryption so the user password is irrelevant.
+    autologinOnce = true;
+  };
+  users.mutableUsers = false;
+  users.users.talexander = {
+    isNormalUser = true;
+    createHome = true; # https://github.com/NixOS/nixpkgs/issues/6481
+    group = "talexander";
+    extraGroups = [ "wheel" ];
+    uid = 11235;
+    packages = with pkgs; [
+      tree
+    ];
+    # Generate with `mkpasswd -m scrypt`
+    hashedPassword = "$7$CU..../....VXvNQ8za3wSGpdzGXNT50/$HcFtn/yvwPMCw4888BelpiAPLAxe/zU87fD.d/N6U48";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEI6mu6I5Jp+Ib0vJxapGHbEShZjyvzV8jz5DnzDrI39AAAABHNzaDo="
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAFNcSXwvy+brYTOGo56G93Ptuq2MmZsjvRWAfMqbmMLAAAABHNzaDo="
+    ];
+  };
+  users.groups.talexander.gid = 11235;
+
+  # Automatic garbage collection
+  nix.gc = lib.mkIf (!config.me.buildingIso) {
+    # Runs nix-collect-garbage --delete-older-than 5d
+    automatic = true;
+    persistent = true;
+    dates = "monthly";
+    # randomizedDelaySec = "14m";
+    options = "--delete-older-than 30d";
+  };
+  nix.settings.auto-optimise-store = !config.me.buildingIso;
+
+  # Use doas instead of sudo
+  security.doas.enable = true;
+  security.doas.wheelNeedsPassword = false;
+  security.sudo.enable = false;
+  security.doas.extraRules = [
+    {
+      # Retain environment (for example NIX_PATH)
+      keepEnv = true;
+      persist = true; # Only ask for a password the first time.
+    }
+  ];
+
+  environment.systemPackages = with pkgs; [
+    wget
+    mg
+    rsync
+    libinput
+    htop
+    tmux
+    file
+    usbutils # for lsusb
+    pciutils # for lspci
+    ripgrep
+    strace
+    # ltrace # Disabled because it uses more than 48GB of /tmp space during test phase.
+    trace-cmd # ftrace
+    tcpdump
+    git-crypt
+    gnumake
+    ncdu
+    nix-tree
+    libarchive # bsdtar
+    lsof
+    doas-sudo-shim # To support --use-remote-sudo for remote builds
+    dmidecode # Read SMBIOS information.
+    ipcalc
+    gptfdisk # for cgdisk
+    nix-output-monitor # For better view into nixos-rebuild
+    nix-serve-ng # Serve nix store over http
+  ];
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
+    };
+    hostKeys = [
+      {
+        path = "/persist/ssh/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+      {
+        path = "/persist/ssh/ssh_host_rsa_key";
+        type = "rsa";
+        bits = 4096;
+      }
+    ];
+  };
+
+  environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+    hideMounts = true;
+    directories = [
+      "/var/lib/iwd" # Wifi settings
+      "/var/lib/nixos" # Contains user information (uids/gids)
+      "/var/lib/systemd" # Systemd state directory for random seed, persistent timers, core dumps, persist hardware state like backlight and rfkill
+      "/var/log/journal" # Logs, alternatively set `services.journald.storage = "volatile";` to write to /run/log/journal
+    ];
+    files = [
+      "/etc/machine-id" # Systemd unique machine id "otherwise, the system journal may fail to list earlier boots, etc"
+      "/etc/ssh/ssh_host_rsa_key"
+      "/etc/ssh/ssh_host_rsa_key.pub"
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+    ];
+    users.talexander = {
+      directories = [
+        {
+          directory = "persist";
+          user = "talexander";
+          group = "talexander";
+          mode = "0700";
+        }
+      ];
+    };
+  };
+
+  # Write a list of the currently installed packages to /etc/current-system-packages
+  environment.etc."current-system-packages".text =
+    let
+      packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+      sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
+      formatted = builtins.concatStringsSep "\n" sortedUnique;
+    in
+    formatted;
+
+  # environment.etc."system-packages-with-source".text = builtins.concatStringsSep "\n\n" (
+  #   builtins.map (
+  #     x: x.file + "\n" + builtins.concatStringsSep "\n" (builtins.map (s: "  " + s) x.value)
+  #   ) config.environment.systemPackages.definitionsWithLocations
+  # );
+
+  # nixpkgs.overlays = [
+  #   (final: prev: {
+  #     nix = pkgs-unstable.nix;
+  #   })
+  # ];
+
+  # nixpkgs.overlays = [
+  #   (final: prev: {
+  #     foot = throw "foo";
+  #   })
+  # ];
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+  # to actually do that.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "24.11"; # Did you read the comment?
+
+}

nix/configuration/flake.lock

@@ -0,0 +1,365 @@
+{
+  "nodes": {
+    "ansible-sshjail": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "path": "flakes/ansible-sshjail",
+        "type": "path"
+      },
+      "original": {
+        "path": "flakes/ansible-sshjail",
+        "type": "path"
+      },
+      "parent": []
+    },
+    "crane": {
+      "locked": {
+        "lastModified": 1731098351,
+        "narHash": "sha256-HQkYvKvaLQqNa10KEFGgWHfMAbWBfFp+4cAgkut+NNE=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "ef80ead953c1b28316cc3f8613904edc2eb90c28",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1756733629,
+        "narHash": "sha256-dwWGlDhcO5SMIvMSTB4mjQ5Pvo2vtxvpIknhVnSz2I8=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "a5c4f2ab72e3d1ab43e3e65aa421c6f2bd2e12a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "lanzaboote",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1730504689,
+        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "lanzaboote",
+          "pre-commit-hooks-nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
+    "lanzaboote": {
+      "inputs": {
+        "crane": "crane",
+        "flake-compat": "flake-compat",
+        "flake-parts": "flake-parts",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pre-commit-hooks-nix": "pre-commit-hooks-nix",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1737639419,
+        "narHash": "sha256-AEEDktApTEZ5PZXNDkry2YV2k6t0dTgLPEmAZbnigXU=",
+        "owner": "nix-community",
+        "repo": "lanzaboote",
+        "rev": "a65905a09e2c43ff63be8c0e86a93712361f871e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "v0.4.2",
+        "repo": "lanzaboote",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1756692750,
+        "narHash": "sha256-5n58fYrcMlPZB/xvj/yD53Lx+4I2pswUT4Zz3S0tnn0=",
+        "ref": "og-amd-debug-tools",
+        "rev": "977f46c905217623642e46eeb259044635bba4d2",
+        "revCount": 854038,
+        "type": "git",
+        "url": "https://github.com/tomalexander/nixpkgs.git"
+      },
+      "original": {
+        "ref": "og-amd-debug-tools",
+        "type": "git",
+        "url": "https://github.com/tomalexander/nixpkgs.git"
+      }
+    },
+    "nixpkgs-dda3dcd3f": {
+      "locked": {
+        "lastModified": 1746663147,
+        "narHash": "sha256-Ua0drDHawlzNqJnclTJGf87dBmaO/tn7iZ+TCkTRpRc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1730741070,
+        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unoptimized": {
+      "locked": {
+        "lastModified": 1756692750,
+        "narHash": "sha256-5n58fYrcMlPZB/xvj/yD53Lx+4I2pswUT4Zz3S0tnn0=",
+        "ref": "og-amd-debug-tools",
+        "rev": "977f46c905217623642e46eeb259044635bba4d2",
+        "revCount": 854038,
+        "type": "git",
+        "url": "https://github.com/tomalexander/nixpkgs.git"
+      },
+      "original": {
+        "ref": "og-amd-debug-tools",
+        "type": "git",
+        "url": "https://github.com/tomalexander/nixpkgs.git"
+      }
+    },
+    "pre-commit-hooks-nix": {
+      "inputs": {
+        "flake-compat": [
+          "lanzaboote",
+          "flake-compat"
+        ],
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "lanzaboote",
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1731363552,
+        "narHash": "sha256-vFta1uHnD29VUY4HJOO/D6p6rxyObnf+InnSMT4jlMU=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "cd1af27aa85026ac759d5d3fccf650abe7e1bbf0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "ansible-sshjail": "ansible-sshjail",
+        "disko": "disko",
+        "impermanence": "impermanence",
+        "lanzaboote": "lanzaboote",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-dda3dcd3f": "nixpkgs-dda3dcd3f",
+        "nixpkgs-unoptimized": "nixpkgs-unoptimized",
+        "zsh-histdb": "zsh-histdb"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "lanzaboote",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731897198,
+        "narHash": "sha256-Ou7vLETSKwmE/HRQz4cImXXJBr/k9gp4J4z/PF8LzTE=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "0be641045af6d8666c11c2c40e45ffc9667839b5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "zsh-histdb": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      },
+      "original": {
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      },
+      "parent": []
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flake.nix

@@ -0,0 +1,266 @@
+# Build ISO image
+#   nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#iso.odo
+#   output: result/iso/nixos.iso
+
+# Run the ISO image
+#   doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" \
+#        -accel kvm \
+#        -cpu host \
+#        -smp cores=8 \
+#        -m 32768 \
+#        -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" \
+#        -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" \
+#        -nic user,hostfwd=tcp::60022-:22 \
+#        -boot order=d \
+#        -cdrom "$(readlink -f ./result/iso/nixos*.iso)" \
+#        -display vnc=127.0.0.1:0
+#
+# doas cp "$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF_VARS.fd" /tmp/OVMF_VARS.fd
+# doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" -accel kvm -cpu host -smp cores=8 -m 32768 -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" -nic user,hostfwd=tcp::60022-:22 -boot order=d -cdrom /persist/machine_setup/nix/configuration/result/iso/nixos*.iso -display vnc=127.0.0.1:0
+
+# Get a repl for this flake
+#   nix repl --expr "builtins.getFlake \"$PWD\""
+
+# TODO maybe use `nix eval --raw .#iso.odo.outPath`
+# iso.odo.isoName == "nixos.iso"
+# full path = <outPath> / iso / <isoName>
+
+#
+# Install on a new machine:
+#
+#
+# doas nix --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --experimental-features "nix-command flakes" run github:nix-community/disko/latest -- --mode destroy,format,mount hosts/odo/disk-config.nix
+
+# nix flake update zsh-histdb --flake .
+# nix flake update ansible-sshjail --flake .
+# for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+# nixos-install --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --flake ".#vm_ionlybootzfs"
+#
+
+{
+  description = "My system configuration";
+
+  inputs = {
+    impermanence.url = "github:nix-community/impermanence";
+    # nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    # nixpkgs.url = "github:tomalexander/nixpkgs/amd-debug-tools";
+    nixpkgs.url = "git+https://github.com/tomalexander/nixpkgs.git?ref=og-amd-debug-tools";
+    nixpkgs-dda3dcd3f.url = "github:NixOS/nixpkgs/dda3dcd3fe03e991015e9a74b22d35950f264a54";
+    nixpkgs-unoptimized.url = "git+https://github.com/tomalexander/nixpkgs.git?ref=og-amd-debug-tools";
+    lanzaboote = {
+      url = "github:nix-community/lanzaboote/v0.4.2";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    zsh-histdb = {
+      url = "path:flakes/zsh-histdb";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    ansible-sshjail = {
+      url = "path:flakes/ansible-sshjail";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      nixpkgs-unoptimized,
+      nixpkgs-dda3dcd3f,
+      impermanence,
+      lanzaboote,
+      zsh-histdb,
+      ansible-sshjail,
+      ...
+    }@inputs:
+    let
+      base_x86_64_linux = rec {
+        system = "x86_64-linux";
+        specialArgs = {
+          pkgs-dda3dcd3f = import nixpkgs-dda3dcd3f {
+            inherit system;
+          };
+          pkgs-unoptimized = import nixpkgs-unoptimized {
+            inherit system;
+            hostPlatform.gcc.arch = "default";
+            hostPlatform.gcc.tune = "default";
+          };
+        };
+        modules = [
+          impermanence.nixosModules.impermanence
+          lanzaboote.nixosModules.lanzaboote
+          inputs.disko.nixosModules.disko
+          {
+            nixpkgs.overlays = [
+              zsh-histdb.overlays.default
+              ansible-sshjail.overlays.default
+            ];
+          }
+          ./configuration.nix
+        ];
+      };
+      systems =
+        let
+          additional_iso_modules = [
+            (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
+            # TODO: Figure out how to do image based appliances
+            # (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
+            {
+              isoImage.makeEfiBootable = true;
+              isoImage.makeUsbBootable = true;
+              me.buildingIso = true;
+              me.optimizations.enable = nixpkgs.lib.mkForce false;
+            }
+            {
+              # These are big space hogs. The chance that I need them on an ISO is slim.
+              me.steam.enable = nixpkgs.lib.mkForce false;
+              me.pcsx2.enable = nixpkgs.lib.mkForce false;
+            }
+          ];
+          additional_vm_modules = [
+            (nixpkgs + "/nixos/modules/profiles/qemu-guest.nix")
+            {
+              networking.dhcpcd.enable = true;
+              networking.useDHCP = true;
+              me.optimizations.enable = nixpkgs.lib.mkForce false;
+            }
+            {
+              # I don't need games on a virtual machine.
+              me.steam.enable = nixpkgs.lib.mkForce false;
+              me.pcsx2.enable = nixpkgs.lib.mkForce false;
+              me.sm64ex.enable = nixpkgs.lib.mkForce false;
+              me.shipwright.enable = nixpkgs.lib.mkForce false;
+              me.ship2harkinian.enable = nixpkgs.lib.mkForce false;
+            }
+          ];
+        in
+        {
+          odo = rec {
+            main = base_x86_64_linux // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/odo
+              ];
+            };
+            iso = main // {
+              modules = main.modules ++ additional_iso_modules;
+            };
+            vm = main // {
+              modules = main.modules ++ additional_vm_modules;
+            };
+            vm_iso = main // {
+              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+            };
+          };
+          quark = rec {
+            main = base_x86_64_linux // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/quark
+              ];
+            };
+            iso = main // {
+              modules = main.modules ++ additional_iso_modules;
+            };
+            vm = main // {
+              modules = main.modules ++ additional_vm_modules;
+            };
+            vm_iso = main // {
+              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+            };
+          };
+          neelix = rec {
+            main = base_x86_64_linux // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/neelix
+              ];
+            };
+            iso = main // {
+              modules = main.modules ++ additional_iso_modules;
+            };
+            vm = main // {
+              modules = main.modules ++ additional_vm_modules;
+            };
+            vm_iso = main // {
+              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+            };
+          };
+          hydra =
+            let
+              additional_iso_modules = additional_iso_modules ++ [
+                {
+                  me.optimizations.enable = true;
+                }
+              ];
+            in
+            rec {
+              main = base_x86_64_linux // {
+                modules = base_x86_64_linux.modules ++ [
+                  ./hosts/hydra
+                ];
+              };
+              iso = main // {
+                modules = main.modules ++ additional_iso_modules;
+              };
+              vm = main // {
+                modules = main.modules ++ additional_vm_modules;
+              };
+              vm_iso = main // {
+                modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+              };
+            };
+          ionlybootzfs = rec {
+            main = base_x86_64_linux // {
+              modules = base_x86_64_linux.modules ++ [
+                ./hosts/ionlybootzfs
+              ];
+            };
+            iso = main // {
+              modules = main.modules ++ additional_iso_modules;
+            };
+            vm = main // {
+              modules = main.modules ++ additional_vm_modules;
+            };
+            vm_iso = main // {
+              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
+            };
+          };
+
+        };
+    in
+    {
+      nixosConfigurations.odo = nixpkgs.lib.nixosSystem systems.odo.main;
+      iso.odo = (nixpkgs.lib.nixosSystem systems.odo.iso).config.system.build.isoImage;
+      nixosConfigurations.vm_odo = nixpkgs.lib.nixosSystem systems.odo.vm;
+      vm_iso.odo = (nixpkgs.lib.nixosSystem systems.odo.vm_iso).config.system.build.isoImage;
+
+      nixosConfigurations.quark = nixpkgs.lib.nixosSystem systems.quark.main;
+      iso.quark = (nixpkgs.lib.nixosSystem systems.quark.iso).config.system.build.isoImage;
+      nixosConfigurations.vm_quark = nixpkgs.lib.nixosSystem systems.quark.vm;
+      vm_iso.quark = (nixpkgs.lib.nixosSystem systems.quark.vm_iso).config.system.build.isoImage;
+
+      nixosConfigurations.neelix = nixpkgs.lib.nixosSystem systems.neelix.main;
+      iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.iso).config.system.build.isoImage;
+      nixosConfigurations.vm_neelix = nixpkgs.lib.nixosSystem systems.neelix.vm;
+      vm_iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.vm_iso).config.system.build.isoImage;
+
+      nixosConfigurations.hydra = nixpkgs.lib.nixosSystem systems.hydra.main;
+      iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.iso).config.system.build.isoImage;
+      nixosConfigurations.vm_hydra = nixpkgs.lib.nixosSystem systems.hydra.vm;
+      vm_iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.vm_iso).config.system.build.isoImage;
+
+      nixosConfigurations.ionlybootzfs = nixpkgs.lib.nixosSystem systems.ionlybootzfs.main;
+      iso.ionlybootzfs = (nixpkgs.lib.nixosSystem systems.ionlybootzfs.iso).config.system.build.isoImage;
+      nixosConfigurations.vm_ionlybootzfs = nixpkgs.lib.nixosSystem systems.ionlybootzfs.vm;
+      vm_iso.ionlybootzfs =
+        (nixpkgs.lib.nixosSystem systems.ionlybootzfs.vm_iso).config.system.build.isoImage;
+    };
+}

nix/configuration/flakes/ansible-sshjail/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735141468,
+        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flakes/ansible-sshjail/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A slightly better history for zsh";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    let
+      out =
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          # Maybe pkgs = import nixpkgs { inherit system; }; ?
+          appliedOverlay = self.overlays.default pkgs pkgs;
+        in
+        {
+          packages = rec {
+            default = ansible-sshjail;
+            ansible-sshjail = appliedOverlay.ansible-sshjail;
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem out
+    // {
+      overlays.default = final: prev: {
+        ansible-sshjail = final.callPackage ./package.nix { };
+      };
+    };
+}

nix/configuration/flakes/ansible-sshjail/package.nix

@@ -0,0 +1,33 @@
+# unpackPhase
+# patchPhase
+# configurePhase
+# buildPhase
+# checkPhase
+# installPhase
+# fixupPhase
+# installCheckPhase
+# distPhase
+{
+  stdenv,
+  fetchgit,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "ansible-sshjail";
+  src = fetchgit {
+    url = "https://github.com/austinhyde/ansible-sshjail.git";
+    rev = "a7b0076fdb680b915d35efafd1382919100532b6";
+    sha256 = "sha256-4QX/017fDRzb363NexgvHZ/VFKXOjRgGPDKKygyUylM=";
+  };
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/ansible/plugins/connection_plugins
+    cp $src/sshjail.py $out/share/ansible/plugins/connection_plugins/
+
+    runHook postInstall
+  '';
+}

nix/configuration/flakes/zsh-histdb/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735141468,
+        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nix/configuration/flakes/zsh-histdb/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A slightly better history for zsh";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    let
+      out =
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          # Maybe pkgs = import nixpkgs { inherit system; }; ?
+          appliedOverlay = self.overlays.default pkgs pkgs;
+        in
+        {
+          packages = rec {
+            default = zsh-histdb;
+            zsh-histdb = appliedOverlay.zsh-histdb;
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem out
+    // {
+      overlays.default = final: prev: {
+        zsh-histdb = final.callPackage ./package.nix { };
+      };
+    };
+}

nix/configuration/flakes/zsh-histdb/package.nix

@@ -0,0 +1,36 @@
+# unpackPhase
+# patchPhase
+# configurePhase
+# buildPhase
+# checkPhase
+# installPhase
+# fixupPhase
+# installCheckPhase
+# distPhase
+{
+  stdenv,
+  pkgs,
+  sqlite,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "zsh-histdb";
+  src = pkgs.fetchgit {
+    url = "https://github.com/larkery/zsh-histdb.git";
+    rev = "90a6c104d0fcc0410d665e148fa7da28c49684eb";
+    sha256 = "sha256-vtG1poaRVbfb/wKPChk1WpPgDq+7udLqLfYfLqap4Vg=";
+  };
+  buildInputs = [ sqlite ];
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/zsh/plugins/zsh-histdb
+    cp -r $src/histdb-* $src/*.zsh $src/db_migrations $out/share/zsh/plugins/zsh-histdb/
+    runHook postInstall
+  '';
+  postInstall = ''
+    substituteInPlace $out/share/zsh/plugins/zsh-histdb/sqlite-history.zsh $out/share/zsh/plugins/zsh-histdb/histdb-merge $out/share/zsh/plugins/zsh-histdb/histdb-migrate --replace-fail "sqlite3" "${sqlite}/bin/sqlite3"
+  '';
+}

nix/configuration/hosts/hydra/DEPLOY_BOOT

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=hydra
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#hydra'

nix/configuration/hosts/hydra/DEPLOY_SWITCH

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=hydra
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#hydra'

nix/configuration/hosts/hydra/ISO

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#iso.hydra" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/default.nix

@@ -0,0 +1,68 @@
+#
+# Testing:
+# doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" \
+#      -accel kvm \
+#      -cpu host \
+#      -smp cores=8 \
+#      -m 32768 \
+#      -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" \
+#      -drive file=/tmp/localdisk.img,if=none,id=nvm,format=raw \
+#      -device nvme,serial=deadbeef,drive=nvm \
+#      -nic user,hostfwd=tcp::60022-:22 \
+#      -boot order=d \
+#      -cdrom "$(readlink -f /persist/machine_setup/nix/configuration/result/iso/nixos*.iso)" \
+#      -display vnc=127.0.0.1:0
+#
+
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./disk-config.nix
+    ./hardware-configuration.nix
+    ./optimized_build.nix
+    ./vm_disk.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "fbd233d8";
+
+  networking.hostName = "hydra"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = false;
+
+  me.optimizations = {
+    enable = true;
+    arch = "znver4";
+    system_features = [
+      "gccarch-znver4"
+      "gccarch-skylake"
+      # "gccarch-alderlake" missing WAITPKG
+      "gccarch-x86-64-v3"
+      "gccarch-x86-64-v4"
+      "benchmark"
+      "big-parallel"
+      "kvm"
+      "nixos-test"
+    ];
+  };
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
+
+  me.emacs_flavor = "plainmacs";
+  me.graphical = false;
+  me.hydra.enable = false;
+  me.nix_worker.enable = true;
+  me.vm_disk.enable = true;
+  me.wireguard.activated = [ ];
+  me.wireguard.deactivated = [ ];
+  me.zsh.enable = true;
+}

nix/configuration/hosts/hydra/disk-config.nix

@@ -0,0 +1,140 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) {
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "1MiB";
+              compression = "lz4";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+}

nix/configuration/hosts/hydra/hardware-configuration.nix

@@ -0,0 +1,39 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "sdhci_pci"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.dhcpcd.enable = lib.mkForce true;
+  networking.useDHCP = lib.mkForce true;
+  networking.interfaces.enp0s2.useDHCP = lib.mkForce true;
+  # systemd.network.enable = true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

nix/configuration/hosts/hydra/vm_disk.nix

@@ -0,0 +1,77 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    vm_disk.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to mount the local disk for persistent storage.";
+    };
+  };
+
+  config = lib.mkIf config.me.vm_disk.enable (
+    lib.mkMerge [
+      {
+        # Mount the local disk
+        fileSystems = {
+          "/.disk" = lib.mkForce {
+            device = "/dev/nvme0n1p1";
+            fsType = "ext4";
+            options = [
+              "noatime"
+              "discard"
+            ];
+            neededForBoot = true;
+          };
+
+          "/persist" = {
+            fsType = "none";
+            device = "/.disk/persist";
+            options = [
+              "bind"
+              "rw"
+            ];
+            depends = [
+              "/.disk/persist"
+            ];
+          };
+
+          "/state" = {
+            fsType = "none";
+            device = "/.disk/state";
+            options = [
+              "bind"
+              "rw"
+            ];
+            depends = [
+              "/.disk/state"
+            ];
+          };
+
+          "/nix/store" = lib.mkForce {
+            fsType = "overlay";
+            device = "overlay";
+            options = [
+              "lowerdir=/nix/.ro-store"
+              "upperdir=/.disk/persist/store"
+              "workdir=/.disk/state/work"
+            ];
+            depends = [
+              "/nix/.ro-store"
+              "/.disk/persist/store"
+              "/.disk/state/work"
+            ];
+          };
+        };
+      }
+    ]
+  );
+}

nix/configuration/hosts/ionlybootzfs/DEPLOY_BOOT

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET="ionlybootzfs"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#ionlybootzfs" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#ionlybootzfs'

nix/configuration/hosts/ionlybootzfs/DEPLOY_SWITCH

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=ionlybootzfs
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#ionlybootzfs" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#ionlybootzfs'

nix/configuration/hosts/ionlybootzfs/ISO

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#iso.ionlybootzfs" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/ionlybootzfs/default.nix

@@ -0,0 +1,63 @@
+#
+# Testing:
+# doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" \
+#      -accel kvm \
+#      -cpu host \
+#      -smp cores=8 \
+#      -m 32768 \
+#      -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" \
+#      -drive file=/tmp/localdisk.img,if=none,id=nvm,format=raw \
+#      -device nvme,serial=deadbeef,drive=nvm \
+#      -nic user,hostfwd=tcp::60022-:22 \
+#      -boot order=d \
+#      -cdrom "$(readlink -f /persist/machine_setup/nix/configuration/result/iso/nixos*.iso)" \
+#      -display vnc=127.0.0.1:0
+#
+
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./wrapped-disk-config.nix
+    ./hardware-configuration.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "fbd233d8";
+
+  networking.hostName = "ionlybootzfs"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = true;
+
+  me.optimizations = {
+    enable = false;
+    arch = "znver4";
+    system_features = [
+      "gccarch-znver4"
+      "gccarch-skylake"
+      # "gccarch-alderlake" missing WAITPKG
+      "gccarch-x86-64-v3"
+      "gccarch-x86-64-v4"
+      "benchmark"
+      "big-parallel"
+      "kvm"
+      "nixos-test"
+    ];
+  };
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
+
+  me.emacs_flavor = "plainmacs";
+  me.graphical = false;
+  me.wireguard.activated = [ ];
+  me.wireguard.deactivated = [ ];
+  me.zsh.enable = true;
+}

nix/configuration/hosts/ionlybootzfs/disk-config.nix

@@ -0,0 +1,142 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/ionlybootzfs/hardware-configuration.nix

@@ -0,0 +1,38 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "sdhci_pci"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.dhcpcd.enable = lib.mkForce true;
+  networking.useDHCP = lib.mkForce true;
+  # systemd.network.enable = true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

nix/configuration/hosts/ionlybootzfs/optimized_build.nix

@@ -0,0 +1,131 @@
+{
+  config,
+  lib,
+  pkgs,
+  pkgs-unoptimized,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    { }
+    (lib.mkIf (!config.me.optimizations.enable) {
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_14;
+    })
+    (lib.mkIf (config.me.optimizations.enable) {
+      nixpkgs.hostPlatform = {
+        gcc.arch = "znver4";
+        gcc.tune = "znver4";
+        system = "x86_64-linux";
+      };
+
+      nixpkgs.overlays = [
+        (
+          final: prev:
+          let
+            addConfig =
+              additionalConfig: pkg:
+              pkg.override (oldconfig: {
+                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
+              });
+          in
+          {
+            linux_me = addConfig {
+              # Full preemption
+              PREEMPT = lib.mkOverride 60 lib.kernel.yes;
+              PREEMPT_VOLUNTARY = lib.mkOverride 60 lib.kernel.no;
+
+              # Google's BBRv3 TCP congestion Control
+              TCP_CONG_BBR = lib.kernel.yes;
+              DEFAULT_BBR = lib.kernel.yes;
+
+              # Preemptive Full Tickless Kernel at 300Hz
+              HZ = lib.kernel.freeform "300";
+              HZ_300 = lib.kernel.yes;
+              HZ_1000 = lib.kernel.no;
+            } prev.linux_6_14;
+            # gsl = prev.gsl.overrideAttrs (old: {
+            #   # gsl tests fails when optimizations are enabled.
+            #   # > FAIL: cholesky_invert unscaled hilbert (  4,  4)[0,2]: 2.55795384873636067e-13                        0
+            #   # >  (2.55795384873636067e-13 observed vs 0 expected) [28259614]
+            #   doCheck = false;
+            # });
+          }
+        )
+        (final: prev: {
+          haskellPackages = prev.haskellPackages.extend (
+            final': prev': {
+              inherit (pkgs-unoptimized.haskellPackages)
+                crypton
+                crypton-connection
+                crypton-x509
+                crypton-x509-store
+                crypton-x509-system
+                crypton-x509-validation
+                hspec-wai
+                http-client-tls
+                http2
+                pandoc
+                pandoc-cli
+                pandoc-lua-engine
+                pandoc-server
+                servant-server
+                tls
+                wai-app-static
+                wai-extra
+                warp
+                ;
+            }
+          );
+        })
+        (final: prev: {
+          inherit (pkgs-unoptimized)
+            gsl
+            redis
+            valkey
+            ;
+        })
+      ];
+
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_me;
+    })
+    (lib.mkIf (!config.me.buildingIso) {
+      nix.settings.system-features = lib.mkForce [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+
+      # Keep ALL dependencies so we can rebuild offline. This DRASTICALLY increase disk usage, but disk space is cheap.
+      # system.includeBuildDependencies = true;
+
+      # This also should enable building offline? TODO: test.
+      nix.extraOptions = ''
+        keep-outputs = true
+        keep-derivations = true
+      '';
+
+      # # building ON
+      # nixpkgs.localSystem = { system = "aarch64-linux"; };
+      # # building FOR
+      # nixpkgs.crossSystem = { system = "aarch64-linux"; };
+
+      # nixpkgs.config = {
+      #   replaceStdenv = ({ pkgs }: pkgs.clangStdenv);
+      # };
+      # or maybe an overlay
+      # stdenv = prev.clangStdenv;
+
+    })
+    (lib.mkIf (config.me.buildingIso) {
+      boot.supportedFilesystems.zfs = true;
+    })
+  ];
+}

nix/configuration/hosts/ionlybootzfs/wrapped-disk-config.nix

@@ -0,0 +1,8 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) (import ./disk-config.nix)

nix/configuration/hosts/neelix/DEPLOY_BOOT

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=neelix
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#neelix'

nix/configuration/hosts/neelix/DEPLOY_SWITCH

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=neelix
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#neelix'

nix/configuration/hosts/neelix/default.nix

@@ -0,0 +1,51 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    ./power_management.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "bca9d0a5";
+
+  networking.hostName = "neelix"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = false;
+
+  me.optimizations = {
+    enable = false;
+    arch = "alderlake";
+    system_features = [
+      "gccarch-alderlake"
+      "gccarch-x86-64-v3"
+      "gccarch-x86-64-v4"
+      "benchmark"
+      "big-parallel"
+      "kvm"
+      "nixos-test"
+    ];
+  };
+
+  # Early KMS
+  boot.initrd.kernelModules = [ "i915" ];
+
+  # Mount tmpfs at /tmp
+  # boot.tmp.useTmpfs = true;
+
+  me.bluetooth.enable = true;
+  me.emacs_flavor = "plainmacs";
+  me.graphical = true;
+  me.graphics_card_type = "intel";
+  me.kodi.enable = true;
+  me.lvfs.enable = true;
+  me.sound.enable = true;
+  me.wireguard.activated = [ "wgh" ];
+  me.wireguard.deactivated = [ "wgf" ];
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
+
+}

nix/configuration/hosts/neelix/disk-config.nix

@@ -0,0 +1,140 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) {
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "1MiB";
+              compression = "lz4";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+}

nix/configuration/hosts/neelix/hardware-configuration.nix

@@ -0,0 +1,39 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "sdhci_pci"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  # networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

nix/configuration/hosts/neelix/power_management.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    powertop
+  ];
+
+  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+  boot.kernelParams = [
+    "pcie_aspm=force"
+    # "pcie_aspm.policy=powersupersave"
+    "nowatchdog"
+  ];
+
+  # default performance balance_performance balance_power power
+  # defaults to balance_performance
+  # systemd.tmpfiles.rules = [
+  #   "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+  #   "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+  # ];
+
+  boot.extraModprobeConfig = ''
+    options snd_hda_intel power_save=1
+  '';
+}

nix/configuration/hosts/odo/DEPLOY_BOOT

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+# TARGET=10.216.1.15
+# TARGET=192.168.211.250
+TARGET=odo
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#odo'

nix/configuration/hosts/odo/DEPLOY_SWITCH

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=odo
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#odo'

nix/configuration/hosts/odo/ISO

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#iso.odo" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BOOT

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BUILD

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild build --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_SWITCH

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/default.nix

@@ -0,0 +1,120 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./wrapped-disk-config.nix
+    ./distributed_build.nix
+    ./power_management.nix
+    ./screen_brightness.nix
+    ./wifi.nix
+    ./framework_module.nix
+  ];
+
+  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  networking.hostId = "908cbf04";
+
+  networking.hostName = "odo"; # Define your hostname.
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  me.secureBoot.enable = true;
+
+  me.optimizations = {
+    enable = true;
+    arch = "znver4";
+    system_features = [
+      "gccarch-znver4"
+      "gccarch-skylake"
+      # "gccarch-alderlake" missing WAITPKG
+      "gccarch-x86-64-v3"
+      "gccarch-x86-64-v4"
+      "benchmark"
+      "big-parallel"
+      "kvm"
+      "nixos-test"
+    ];
+  };
+
+  # Early KMS
+  boot.initrd.kernelModules = [ "amdgpu" ];
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
+
+  environment.systemPackages = with pkgs; [
+    fw-ectool
+    framework-tool
+  ];
+
+  # Enable light sensor
+  # hardware.sensor.iio.enable = lib.mkDefault true;
+
+  # Enable TRIM
+  # services.fstrim.enable = lib.mkDefault true;
+
+  me.alacritty.enable = true;
+  me.amd_s2idle.enable = true;
+  me.ansible.enable = true;
+  me.ares.enable = true;
+  me.bluetooth.enable = true;
+  me.chromecast.enable = true;
+  me.chromium.enable = true;
+  me.d2.enable = true;
+  me.direnv.enable = true;
+  me.docker.enable = true;
+  me.ecc.enable = false;
+  me.emacs_flavor = "full";
+  me.firefox.enable = true;
+  me.flux.enable = true;
+  me.gcloud.enable = true;
+  me.git.config = ../../roles/git/files/gitconfig_home;
+  me.gnuplot.enable = true;
+  me.gpg.enable = true;
+  me.graphical = true;
+  me.graphics_card_type = "amd";
+  me.iso_mount.enable = true;
+  me.kanshi.enable = false;
+  me.kubernetes.enable = true;
+  me.latex.enable = true;
+  me.launch_keyboard.enable = true;
+  me.lvfs.enable = true;
+  me.media.enable = true;
+  me.nix_index.enable = true;
+  me.pcsx2.enable = true;
+  me.python.enable = true;
+  me.qemu.enable = true;
+  me.rpcs3.enable = true;
+  me.rust.enable = true;
+  me.shadps4.enable = true;
+  me.shikane.enable = true;
+  me.sops.enable = true;
+  me.sound.enable = true;
+  me.steam.enable = true;
+  me.steam_run_free.enable = true;
+  me.sway.enable = true;
+  me.tekton.enable = true;
+  me.terraform.enable = true;
+  me.thunderbolt.enable = true;
+  me.vnc_client.enable = true;
+  me.vscode.enable = true;
+  me.wasm.enable = true;
+  me.waybar.enable = true;
+  me.wireguard.activated = [
+    "drmario"
+    "wgh"
+    "colo"
+  ];
+  me.wireguard.deactivated = [ "wgf" ];
+  me.zrepl.enable = true;
+  me.zsh.enable = true;
+
+  me.sm64ex.enable = true;
+  me.shipwright.enable = true;
+  me.ship2harkinian.enable = true;
+}

nix/configuration/hosts/odo/disk-config.nix

@@ -0,0 +1,142 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/odo/distributed_build.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    {
+      me.distributed_build.enable = true;
+      me.distributed_build.machines.hydra = {
+        enable = true;
+        additional_config = {
+          speedFactor = 2;
+        };
+      };
+      me.distributed_build.machines.quark = {
+        enable = true;
+        additional_config = {
+          speedFactor = 2;
+        };
+      };
+    }
+  ];
+}

nix/configuration/hosts/odo/framework_module.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    {
+      boot.extraModulePackages = with config.boot.kernelPackages; [
+        framework-laptop-kmod
+      ];
+      # https://github.com/DHowett/framework-laptop-kmod?tab=readme-ov-file#usage
+      boot.kernelModules = [
+        "cros_ec"
+        "cros_ec_lpcs"
+      ];
+    }
+  ];
+}

nix/configuration/hosts/odo/hardware-configuration.nix

@@ -0,0 +1,36 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "thunderbolt"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  # networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

nix/configuration/hosts/odo/power_management.nix

@@ -0,0 +1,75 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    powertop
+  ];
+
+  # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
+  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+  # amd_pstate=passive :: Fully automated hardware pstate control.
+  # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
+  # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
+  # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
+  boot.kernelParams = [
+    "amdgpu.abmlevel=2"
+    "pcie_aspm=force"
+    # "pcie_aspm.policy=powersupersave"
+    "nowatchdog"
+    # I don't see a measurable benefit from these two:
+    # "cpufreq.default_governor=powersave"
+    # "initcall_blacklist=cpufreq_gov_userspace_init"
+  ];
+
+  systemd.tmpfiles.rules = [
+    "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+    "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+    "w- /sys/devices/system/cpu/cpu0/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu1/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu2/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu3/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu4/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu5/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu6/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu7/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu8/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu9/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu10/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu11/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu12/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu13/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu14/cpufreq/boost - - - - 0"
+    "w- /sys/devices/system/cpu/cpu15/cpufreq/boost - - - - 0"
+  ];
+
+  boot.extraModprobeConfig = ''
+    # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
+    blacklist sp5100_tco
+
+    # Sound power-saving was causing chat notifications to be inaudible.
+    # options snd_hda_intel power_save=1
+  '';
+}

nix/configuration/hosts/odo/screen_brightness.nix

@@ -0,0 +1,14 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  systemd.tmpfiles.rules = [
+    "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 21845"
+  ];
+}

nix/configuration/hosts/odo/wifi.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    # Doesn't seem necessary starting with 6.13
+    # environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
+    #   doas iw dev wlan0 set power_save off
+    # '';
+
+    # Enable debug logging for ath12k wifi card.
+    boot.kernelParams = [
+      "ath12k.debug_mask=0xffffffff"
+    ];
+  };
+}

nix/configuration/hosts/odo/wrapped-disk-config.nix

@@ -0,0 +1,8 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) (import ./disk-config.nix)

nix/configuration/hosts/quark/DEPLOY_BOOT

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.15
+# TARGET=192.168.211.250
+TARGET=quark
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#quark'

nix/configuration/hosts/quark/DEPLOY_SWITCH

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=quark
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#quark'

nix/configuration/hosts/quark/ISO

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#iso.quark" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BOOT

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BUILD

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild build --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_SWITCH

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix flake update zsh-histdb --flake "$DIR/../../"
+nix flake update ansible-sshjail --flake "$DIR/../../"
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/default.nix

@@ -0,0 +1,117 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./disk-config.nix
+    ./distributed_build.nix
+    ./hardware-configuration.nix
+    ./power_management.nix
+    ./wifi.nix
+  ];
+
+  config = {
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "47ee7d7c";
+
+    networking.hostName = "quark"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.secureBoot.enable = true;
+
+    me.optimizations = {
+      enable = true;
+      arch = "znver5";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-znver5"
+        "gccarch-skylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Early KMS
+    boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # RPCS3 has difficulty with znver5
+    me.rpcs3.config.Core."Use LLVM CPU" = "znver4";
+
+    me.alacritty.enable = true;
+    me.amd_s2idle.enable = true;
+    me.ansible.enable = true;
+    me.ares.enable = true;
+    me.bluetooth.enable = true;
+    me.chromecast.enable = true;
+    me.chromium.enable = true;
+    me.d2.enable = true;
+    me.direnv.enable = true;
+    me.docker.enable = true;
+    me.ecc.enable = true;
+    me.emacs_flavor = "full";
+    me.firefox.enable = true;
+    me.flux.enable = true;
+    me.gcloud.enable = true;
+    me.git.config = ../../roles/git/files/gitconfig_home;
+    me.gnuplot.enable = true;
+    me.gpg.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "amd";
+    me.iso_mount.enable = true;
+    me.kanshi.enable = false;
+    me.kubernetes.enable = true;
+    me.latex.enable = true;
+    me.launch_keyboard.enable = true;
+    me.lvfs.enable = true;
+    me.media.enable = true;
+    me.nix_index.enable = true;
+    me.nix_worker.enable = true;
+    me.pcsx2.enable = true;
+    me.python.enable = true;
+    me.qemu.enable = true;
+    me.rpcs3.enable = true;
+    me.rust.enable = true;
+    me.shadps4.enable = true;
+    me.shikane.enable = true;
+    me.sops.enable = true;
+    me.sound.enable = true;
+    me.steam.enable = true;
+    me.steam_run_free.enable = true;
+    me.sway.enable = true;
+    me.tekton.enable = true;
+    me.terraform.enable = true;
+    me.thunderbolt.enable = true;
+    me.vnc_client.enable = true;
+    me.vscode.enable = true;
+    me.wasm.enable = true;
+    me.waybar.enable = true;
+    me.wireguard.activated = [
+      "drmario"
+      "wgh"
+      "colo"
+    ];
+    me.wireguard.deactivated = [ "wgf" ];
+    me.zrepl.enable = true;
+    me.zsh.enable = true;
+
+    me.sm64ex.enable = true;
+    me.shipwright.enable = true;
+    me.ship2harkinian.enable = true;
+  };
+}

nix/configuration/hosts/quark/disk-config.nix

@@ -0,0 +1,148 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingIso) {
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/quark/distributed_build.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = lib.mkMerge [
+    {
+      me.distributed_build.enable = true;
+      me.distributed_build.machines.hydra = {
+        enable = true;
+        additional_config = {
+          speedFactor = 2;
+        };
+      };
+    }
+  ];
+}

nix/configuration/hosts/quark/hardware-configuration.nix

@@ -0,0 +1,35 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "thunderbolt"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  # networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

nix/configuration/hosts/quark/power_management.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    powertop
+  ];
+
+  boot.kernelParams = [
+    # Enable undervolting GPU.
+    # "amdgpu.ppfeaturemask=0xfff7ffff"
+  ];
+
+  systemd.tmpfiles.rules = [
+    # "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+    # "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+  ];
+
+  # services.udev.packages = [
+  #   (pkgs.writeTextFile {
+  #     name = "amdgpu-low-power";
+  #     text = ''
+  #       ACTION=="add", SUBSYSTEM=="drm", DRIVERS=="amdgpu", ATTR{device/power_dpm_force_performance_level}="low"
+  #     '';
+  #     destination = "/etc/udev/rules.d/30-amdgpu-low-power.rules";
+  #   })
+  # ];
+}

nix/configuration/hosts/quark/wifi.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
+      doas iw dev wlan0 set power_save off
+    '';
+  };
+}

nix/configuration/roles/2ship2harkinian/default.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ship2harkinian.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install 2ship2harkinian.";
+    };
+  };
+
+  config = lib.mkIf config.me.ship2harkinian.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "2ship2harkinian" ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          _2ship2harkinian
+        ];
+
+        # TODO perhaps install ~/.local/share/2ship/2ship2harkinian.json
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/2ship";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/alacritty/default.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+  options.me = {
+    alacritty.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install alacritty.";
+    };
+  };
+
+  config = lib.mkIf config.me.alacritty.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          alacritty
+          xdg-utils # for xdg-open
+        ];
+
+        me.install.user.talexander.file = {
+          ".config/alacritty/alacritty.toml" = {
+            source = ./files/alacritty.toml;
+          };
+        };
+      })
+    ]
+  );
+
+}

nix/configuration/roles/alacritty/files/alacritty.toml

@@ -0,0 +1,44 @@
+[colors]
+draw_bold_text_with_bright_colors = true
+indexed_colors = []
+
+[colors.bright]
+black = "0x666666"
+blue = "0x7aa6da"
+cyan = "0x54ced6"
+green = "0x9ec400"
+magenta = "0xb77ee0"
+red = "0xff3334"
+white = "0xffffff"
+yellow = "0xe7c547"
+
+[colors.normal]
+black = "0x000000"
+blue = "0x7aa6da"
+cyan = "0x70c0ba"
+green = "0xb9ca4a"
+magenta = "0xc397d8"
+red = "0xd54e53"
+white = "0xeaeaea"
+yellow = "0xe6c547"
+
+[colors.primary]
+background = "0x000000"
+foreground = "0xeaeaea"
+
+[font]
+size = 11.0
+
+[[hints.enabled]]
+command = "xdg-open"
+post_processing = true
+regex = "(ipfs:|ipns:|magnet:|mailto:|gemini:|gopher:|https:|http:|news:|file:|git:|ssh:|ftp:)[^\u0000-\u001F\u007F-<>\"\\s{-}\\^⟨⟩`]+"
+
+[hints.enabled.mouse]
+enabled = false
+mods = "None"
+
+[scrolling]
+history = 10000
+# Lines moved per scroll.
+multiplier = 3

nix/configuration/roles/amd_s2idle/default.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    amd_s2idle.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install amd_s2idle.";
+    };
+  };
+
+  config = lib.mkIf config.me.amd_s2idle.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          amd-debug-tools
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/ansible/default.nix

@@ -0,0 +1,86 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ansible.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install ansible.";
+    };
+  };
+
+  config = lib.mkIf config.me.ansible.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          ansible
+        ];
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            ansible = pkgs.symlinkJoin {
+              name = "ansible";
+              paths = [
+                (prev.ansible.overridePythonAttrs {
+                  propagatedBuildInputs = prev.ansible.propagatedBuildInputs ++ [ prev.python3Packages.jmespath ];
+                })
+                pkgs.ansible-sshjail
+              ];
+              buildInputs = [ pkgs.makeWrapper ];
+
+              postBuild = ''
+                ${lib.concatMapStringsSep "\n"
+                  (
+                    prog:
+                    (
+                      "wrapProgram $out/bin/${prog} ${
+                        lib.concatMapStringsSep " "
+                          (
+                            plugin_type:
+                            "--set ANSIBLE_${lib.toUpper plugin_type}_PLUGINS $out/share/ansible/plugins/${lib.toLower plugin_type}_plugins"
+                          )
+                          [
+                            "action"
+                            "cache"
+                            "callback"
+                            "connection"
+                            "filter"
+                            "inventory"
+                            "lookup"
+                            "shell"
+                            "strategy"
+                            "test"
+                            "vars"
+                          ]
+                      } --prefix PATH : ${lib.makeBinPath [ ]}"
+                    )
+                  )
+                  [
+                    "ansible"
+                    "ansible-config"
+                    "ansible-console"
+                    "ansible-doc"
+                    "ansible-galaxy"
+                    "ansible-inventory"
+                    "ansible-playbook"
+                    "ansible-pull"
+                    "ansible-test"
+                    "ansible-vault"
+                  ]
+                }
+              '';
+            };
+          })
+        ];
+      }
+    ]
+  );
+}

nix/configuration/roles/ares/default.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ares.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install ares.";
+    };
+  };
+
+  config = lib.mkIf config.me.ares.enable (
+    lib.mkMerge [
+      { }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          ares
+        ];
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".local/share/ares";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+      })
+    ]
+  );
+}

nix/configuration/roles/blank/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    blank.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install blank.";
+    };
+  };
+
+  config = lib.mkIf config.me.blank.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+      })
+    ]
+  );
+}

nix/configuration/roles/bluetooth/default.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    bluetooth.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install bluetooth.";
+    };
+  };
+
+  config = lib.mkIf config.me.bluetooth.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+        ];
+
+        hardware.bluetooth = {
+          enable = true;
+          powerOnBoot = true;
+          settings = {
+            General = {
+              # Enable support for showing battery charge level.
+              Experimental = true;
+            };
+          };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          directories = [
+            "/var/lib/bluetooth" # Bluetooth pairing information.
+          ];
+        };
+      }
+    ]
+  );
+}