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#!/usr/bin/env bash
# parse packages.txt
all=($(< packages.txt sed 's/#.*//' | xargs printf -- '%s\n' | sort -u))
grps=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^g://p'))
pkgs=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^p://p'))
excl=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^x://p'))
bads=($(printf -- '%s\n' "${all[@]}" | grep -v '^[gpx]:'))
if [[ ${#bads[@]} -gt 0 ]]; then
echo ' => Invalid entries in packages.txt'
printf ' -> %s\n' "${bads[@]}"
exit 1
fi
# set up tmpdir
tmpdir="$(mktemp --tmpdir -d "${0##*/}.XXXXXXXXXX")"
#trap "cd / && rm -rf -- $(printf '%q' "$tmpdir")" EXIT
cd "$tmpdir"
# list dependencies
{
pacman -Sgq -- "${grps[@]}"|grep -vFx -f <(printf '%s\n' "${excl[@]}")
printf '%s\n' "${pkgs[@]}"
} | sort -u > depends.txt
pacman -Qq | sort -u > installed.txt
pseudo() {
while read -r pkg; do
provider=$(pacsift --local --provides "$pkg" <&-|cut -d/ -f2)
if [[ -n "$provider" ]]; then
printf 'provided %s\n' "$pkg"
printf 'provider %s\n' $provider # unquoted
else
printf 'missing %s\n' "$pkg"
fi
done
}
comm -23 depends.txt installed.txt | pseudo > missing-or-provided.txt
sed -n 's/^provided //p' <missing-or-provided.txt |sort -u>provided.txt
sed -n 's/^provider //p' <missing-or-provided.txt |sort -u>provider.txt
sed -n 's/^missing //p' <missing-or-provided.txt |sort -u>missing.txt
cat installed.txt <(comm -12 depends.txt provider.txt)|sort -u>listed.txt
pacman -Qi|sed -n 's/^Depends On\s*://p'|xargs printf '%s\n'|sort -u>all-depends.txt
# output
echo ' => In packages.txt, but not installed'
< "$tmpdir/missing.txt" \
sed 's|^| -> |'
echo ' => Installed explicitly and not depended on, but not in packages.txt'
comm -23 \
<(pacman -Qetq|sort -u) \
"$tmpdir/listed.txt" |
sed 's|^| -> |'
echo ' => Installed explicitly and only optionally depended on, but not in packages.txt'
comm -23 \
<(comm -23 \
<(pacman -Qettq|sort -u) \
<(pacman -Qetq |sort -u)) \
"$tmpdir/listed.txt" |
sed 's|^| -> |'
comm -13 depends.txt provider.txt
echo ' => Installed as dependencies, but only optionally depended on'
comm -23 \
<(pacman -Qdttq|sort -u) \
<(pacman -Qdtq |sort -u) |
sed 's|^| -> |'
echo ' => Installed as dependencies, but not depended on'
pacman -Qdtq|sort -u|sed 's|^| -> |'
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