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dotfiles/remove-unconfigured-packages.sh

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#!/usr/bin/env bash
set -o nounset
set -o errexit
cpu="$(yaml2json < _machines/"$(hostname --short)".yml | jq --raw-output .cpu)"
gpu="$(yaml2json < _machines/"$(hostname --short)".yml | jq --raw-output .gpu)"
if [[ "${cpu}" ]] ; then
readarray -d $'\0' -t cpu_packages < <(<drivers.yml yaml2json | jq --raw-output0 ".cpu.${cpu}[]")
fi
if [[ "${gpu}" ]] ; then
readarray -d $'\0' -t gpu_packages < <(<drivers.yml yaml2json | jq --raw-output0 ".gpu.${gpu}[]")
fi
declare -a aurdeps=()
proctected=(
base # virtual package, would not hurt, but it's weird if its not installed
)
for pkgbuild in pkgbuilds/*/PKGBUILD ; do
# shellcheck disable=SC1090
source "${pkgbuild}"
aurdeps+=("${depends[@]%%[<=>]*}" "${makedepends[@]%%[<=>]*}" "${pkgname}")
done
declare -a packages_to_remove=()
readarray -d $'\0' -t packages_to_remove < <(comm --zero-terminated -13 \
<(cat \
<(<packages.yml yaml2json | jq --raw-output0 'map(.archlinux) | flatten[]') \
<(for dep in "${aurdeps[@]}" "${cpu_packages[@]}" "${gpu_packages[@]}" ; do printf '%s\0' "${dep}" ; done) \
| sort -zu) \
<(pacman -Qq --explicit | xargs -I "{}" printf '%s\0' "{}" | sort -zu) \
| while IFS= read -r -d $'\0' package; do
skip=0
for protected in "${proctected[@]}" ; do
if [[ "${package}" == "${protected}" ]] ; then
skip=1
fi
done
if (( skip )) ; then
continue
fi
printf '%s\0' "${package}"
done)
if (( "${#packages_to_remove[@]}" > 0 )) ; then
sudo pacman -Rcns "${packages_to_remove[@]}" "${@}" || exit $?
exit 123
fi