Add some scripts for investigating the ports tree options.

ansible/roles/build/files/find_packages_that_installed_kernel_modules.bash

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+#
+# List installed packages that install a kernel module.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: ${PORTSDIR:="/usr/ports"}
+
+function main {
+    if [ "$#" -ne 0 ]; then
+        (>&2 echo "This script takes no positional parameters.")
+        exit 1
+    fi
+    local module
+    doas find / -type f -name '*.ko' | sort | while read module; do
+        local provides=$(pkg provides "$module")
+        if [ -n "$provides" ]; then
+            package_name=$(grep 'Name    : ' <<<"$provides" | sed 's/Name    : //g')
+            # module_file=$(grep 'Filename: ' <<<"$provides" | sed 's/Filename: //g')
+            echo "$package_name"
+        fi
+    done
+}
+
+main "${@}"

ansible/roles/build/files/find_popular_ports_options.bash

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+#
+# Find which port options appear the most in ports.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: ${PORTSDIR:="/usr/ports"}
+
+function main {
+    if [ "$#" -ne 0 ]; then
+        (>&2 echo "This script takes no positional parameters.")
+        exit 1
+    fi
+    local folder
+    find_port_folders | while read folder; do
+        set +e
+        dump_port_options "$folder"
+        set -e
+    done | sort | uniq -c | sort -nr
+}
+
+function find_port_folders {
+    local mf
+    find "$PORTSDIR" -type f -name Makefile -mindepth 3 -maxdepth 3 | sort | while read mf; do
+        dirname "$mf"
+    done
+}
+
+function dump_port_options {
+    local folder="$1"
+    local portopts=$(make -C "$folder" -V OPTIONS_DEFINE)
+    echo "$portopts" | grep -oE --line-buffered '[^ ]*'
+}
+
+main "${@}"

ansible/roles/build/files/find_ports_containing_option.bash

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+#
+# List ports containing an option matching the first parameter to the script.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: ${PORTSDIR:="/usr/ports"}
+
+function main {
+    if [ "$#" -ne 1 ]; then
+        (>&2 echo "Pass exactly 1 option name to this script.")
+        exit 1
+    fi
+    local find_option_name=$1
+    local folder
+    find_port_folders | while read folder; do
+        set +e
+        dump_port_options "$folder" | grep -qE "^${find_option_name}$"
+        has_opt=$?;
+        set -e
+        if [ $has_opt -eq 0 ]; then
+            echo "$folder"
+        fi
+    done
+}
+
+function find_port_folders {
+    local mf
+    find "$PORTSDIR" -type f -name Makefile -mindepth 3 -maxdepth 3 | sort | while read mf; do
+        dirname "$mf"
+    done
+}
+
+function dump_port_options {
+    local folder="$1"
+    local portopts=$(make -C "$folder" -V OPTIONS_DEFINE)
+    echo "$portopts" | grep -oE --line-buffered '[^ ]*'
+}
+
+main "${@}"