Add noise supression to microphone.

nix/configuration/configuration.nix

@@ -22,6 +22,7 @@
     ./zfs.nix
     ./network.nix
     ./roles/firewall
+    ./roles/zsh
     ./roles/graphics
     ./roles/sound
     ./roles/sway

nix/configuration/flake.lock

@@ -76,6 +76,24 @@
         "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": [
@@ -121,11 +139,11 @@
     },
     "impermanence": {
       "locked": {
-        "lastModified": 1734200366,
-        "narHash": "sha256-0NursoP4BUdnc+wy+Mq3icHkXu/RgP1Sjo0MJxV2+Dw=",
+        "lastModified": 1734945620,
+        "narHash": "sha256-olIfsfJK4/GFmPH8mXMmBDAkzVQ1TWJmeGT3wBGfQPY=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "c6323585fa0035d780e3d8906eb1b24b65d19a48",
+        "rev": "d000479f4f41390ff7cf9204979660ad5dd16176",
         "type": "github"
       },
       "original": {
@@ -163,11 +181,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734323986,
-        "narHash": "sha256-m/lh6hYMIWDYHCAsn81CDAiXoT3gmxXI9J987W5tZrE=",
+        "lastModified": 1734991663,
+        "narHash": "sha256-8T660guvdaOD+2/Cj970bWlQwAyZLKrrbkhYOFcY1YE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "394571358ce82dff7411395829aa6a3aad45b907",
+        "rev": "6c90912761c43e22b6fb000025ab96dd31c971ff",
         "type": "github"
       },
       "original": {
@@ -211,11 +229,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1734424634,
-        "narHash": "sha256-cHar1vqHOOyC7f1+tVycPoWTfKIaqkoe1Q6TnKzuti4=",
+        "lastModified": 1734649271,
+        "narHash": "sha256-4EVBRhOjMDuGtMaofAIqzJbg4Ql7Ai0PSeuVZTHjyKQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d3c42f187194c26d9f0309a8ecc469d6c878ce33",
+        "rev": "d70bd19e0a38ad4790d3913bf08fcbfc9eeca507",
         "type": "github"
       },
       "original": {
@@ -259,7 +277,8 @@
         "lanzaboote": "lanzaboote",
         "nixpkgs": "nixpkgs",
         "nixpkgs-b93b4e9b5": "nixpkgs-b93b4e9b5",
-        "nixpkgs-unstable": "nixpkgs-unstable"
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "zsh-histdb": "zsh-histdb"
       }
     },
     "rust-overlay": {
@@ -301,6 +320,39 @@
         "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": {
+        "lastModified": 1,
+        "narHash": "sha256-Cf8NVSnjPiAi29Df1Tb1Ea6uqISWps5nx3qJl5yAbOo=",
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      },
+      "original": {
+        "path": "flakes/zsh-histdb",
+        "type": "path"
+      }
     }
   },
   "root": "root",

nix/configuration/flake.nix

@@ -38,6 +38,12 @@
     lanzaboote = {
       url = "github:nix-community/lanzaboote/v0.4.1";
 
+      # 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";
     };
@@ -52,6 +58,7 @@
       impermanence,
       home-manager,
       lanzaboote,
+      zsh-histdb,
       ...
     }@inputs:
     let
@@ -73,6 +80,7 @@
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
           }
+          { nixpkgs.overlays = [ zsh-histdb.overlays.default ]; }
           ./configuration.nix
         ];
       };

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": 1734991663,
+        "narHash": "sha256-8T660guvdaOD+2/Cj970bWlQwAyZLKrrbkhYOFcY1YE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6c90912761c43e22b6fb000025ab96dd31c971ff",
+        "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 +1,29 @@
+# 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 = ''
+    mkdir -p $out/share/zsh/plugins/zsh-histdb
+    cp -r $src/histdb-* $src/*.zsh $src/db_migrations $out/share/zsh/plugins/zsh-histdb/
+  '';
+}

nix/configuration/network.nix

@@ -42,5 +42,6 @@
     iw
     iwd
     ldns # for drill
+    arp-scan # To find devices on the network
   ];
 }

nix/configuration/roles/sound/default.nix

@@ -21,5 +21,43 @@
     pulse.enable = true;
     # If you want to use JACK applications, uncomment this
     #jack.enable = true;
+
+    extraLv2Packages = [ pkgs.rnnoise-plugin ];
+    configPackages = [
+      (pkgs.writeTextDir "share/pipewire/pipewire.conf.d/20-rnnoise.conf" ''
+        context.modules = [
+        {   name = libpipewire-module-filter-chain
+            args = {
+                node.description = "Noise Canceling source"
+                media.name = "Noise Canceling source"
+                filter.graph = {
+                    nodes = [
+                        {
+                            type = lv2
+                            name = rnnoise
+                            plugin = "https://github.com/werman/noise-suppression-for-voice#stereo"
+                            label = noise_suppressor_stereo
+                            control = {
+                            }
+                        }
+                    ]
+                }
+                capture.props = {
+                    node.name =  "capture.rnnoise_source"
+                    node.passive = true
+                    audio.rate = 48000
+                    # Optionally specify a specific input: (ID from `pactl list`)
+                    # target.object = "alsa_input.usb-Shure_Incorporated_Shure_Digital-00.analog-stereo"
+                }
+                playback.props = {
+                    node.name =  "rnnoise_source"
+                    media.class = Audio/Source
+                    audio.rate = 48000
+                }
+            }
+        }
+        ]
+      '')
+    ];
   };
 }

nix/configuration/roles/zsh/default.nix

@@ -0,0 +1,98 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  zshrc = pkgs.writeTextFile {
+    name = ".zshrc";
+    text = ''
+      # Lines configured by zsh-newuser-install
+      HISTFILE=~/.zhistory
+      HISTSIZE=100000
+      SAVEHIST=100000
+      setopt appendhistory notify
+      unsetopt beep
+      bindkey -e
+      # End of lines configured by zsh-newuser-install
+      # The following lines were added by compinstall
+      #
+
+      # Use menu complete immediately instead of after the first tab
+      setopt MENU_COMPLETE
+
+      zstyle :compinstall filename "$HOME/.zshrc"
+
+      autoload -Uz compinit
+      compinit
+      # End of lines added by compinstall
+
+      # Enable the 2d menu for tab completion
+      zstyle ':completion:*' menu select
+
+      autoload colors zsh/terminfo
+      if [[ "$terminfo[colors]" -ge 8 ]]; then
+          colors
+      fi
+      for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
+          eval PR_$color='%{$terminfo[bold]$fg[''${(L)color}]%}'
+          eval PR_LIGHT_$color='%{$fg[''${(L)color}]%}'
+          (( count = $count + 1 ))
+      done
+      PR_NO_COLOR="%{$terminfo[sgr0]%}"
+      PS1="[$PR_BLUE%n$PR_WHITE@$PR_GREEN%U%m%u$PR_NO_COLOR:$PR_RED%2c$PR_NO_COLOR]%(!.#.$) "
+
+      source ${pkgs.zsh-histdb}/share/zsh/plugins/zsh-histdb/sqlite-history.zsh
+      autoload -Uz add-zsh-hook
+
+      source ${pkgs.zsh-histdb}/share/zsh/plugins/zsh-histdb/histdb-interactive.zsh
+      bindkey '^r' _histdb-isearch
+
+      # TODO: Consider moving to /etc/profile.d
+      #while read file; do
+      #    if [ -e "$file" ]; then
+      #        source "$file"
+      #    fi
+      #done <<<"$(find $HOME/.config/ansible_deploy/zshrc -maxdepth 1 -type f -name '*.zsh' -print)"
+    '';
+  };
+in
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    zsh
+    sqlite # TODO: can this be pulled into zsh-histdb automatically?
+  ];
+
+  users.users.talexander.shell = pkgs.zsh;
+  environment.shells = with pkgs; [ zsh ];
+
+  programs.zsh = {
+    enable = true;
+  };
+
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
+      home.file.".zshrc" = {
+        source = "${zshrc}";
+      };
+    };
+
+  environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+    hideMounts = true;
+    users.talexander = {
+      directories = [
+        {
+          directory = ".histdb";
+          user = "talexander";
+          group = "talexander";
+          mode = "0700";
+        }
+      ];
+    };
+  };
+}