Clear paru/pacman cache

parucache

#!/usr/bin/env bash
echo "** Starting cleaning pacman/AUR cache..."

# pacman cache directory
pcachedir="$(awk '/Cache/ {print $3}' /etc/pacman.conf)"
# paru/AUR cache directory
acachedir="$HOME/.cache/paru/clone"

toremove="$(comm -23 <(basename -a $(find $acachedir -mindepth 1 -maxdepth 1 -type d) | sort) <(pacman -Qqm) | xargs -r printf "$acachedir/%s\n")"

echo "** Removing cache for foreign packages that are not installed anymore"
for deldir in $toremove; do
    echo "* $deldir"
    rm -rf "$deldir"
done

pkgcache="$(find $acachedir -mindepth 1 -maxdepth 1 -type d | xargs -r printf "%s\n")"

echo "** Removing untracked/source files for AUR packages"
for pkgdir in "$acachedir"/*/; do

    pkgname=$(basename "$pkgdir")
    echo "* $pkgname"

    ## Remove untracked files (e. g. source/build files) excepting package files and main source files for installed version if non-git package
    if [[ ! "$pkgname" =~ ^.*-git$ ]]; then

        pkgver="$(pacman -Q $pkgname 2>/dev/null | cut -d ' ' -f2 | cut -d '-' -f1 | cut -d ':' -f2)"

        cd "$pkgdir"
        toremove="$(git ls-files --others | grep -v -e '^.*\.pkg\.tar.*$' -e '^.*/$' -e "^.*$pkgver.*$" | xargs -r printf "$pkgdir/%s\n")"
        [ -z "$toremove" ] || rm -f $toremove

    fi

    [ -d "${pkgdir}/src" ] && echo "** removing: ${PWD}/${pkgdir}/src" && rm -rf ${pkgdir}/src/ || true

done

## Remove everything for uninstalled foreign packages, keep latest version for uninstalled native packages, keep two latest versions for installed packages
echo "** Removing cached AUR packages (keep two latest version for installed ones)"
for deldir in $pkgcache; do
    echo "* $deldir"
    /usr/bin/paccache -qrk2 -c "$deldir"
done

echo "** Removing cached pacman packages (keep latest version of uninstalled package, latest two otherwise)"
/usr/bin/paccache -qruk1 -c "$pcachedir"
/usr/bin/paccache -qrk2 -c "$pcachedir"

echo "** Done."