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#!/bin/sh
. "${0%/*}/../conf/default.conf"
if [ $# -eq 0 ]; then
dummynator='sudo'
elif [ $# -eq 1 ] && [ "x$1" = 'x-n' ]; then
dummynator='echo'
else
>&2 echo 'usage: clean-cache [-n]'
>&2 echo ' cleans /var/cache/archbuild32'
>&2 echo ' (or prints what would be cleaned)'
exit 1
fi
repos='build-support community-staging community-testing community core extra gnome-unstable kde-unstable staging testing'
mirror=$(
grep -m1 '^Server = ' '/etc/pacman.d/mirrorlist32' | \
cut -d= -f2 | \
sed 's|^\s*||'
)
tmp_dir=$(mktemp -d)
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
for repo in ${repos}; do
mkdir "${tmp_dir}/${repo}"
wget -qO - "$(
echo "${mirror}" | \
sed "$(
printf 's|%s|%s|\n' \
'\$repo' "${repo}" \
'\$arch' 'i686' \
'$' "/${repo}.db.tar.gz"
)"
)" | \
tar -xzC "${tmp_dir}/${repo}"
done
find "${tmp_dir}" -type f -name desc \
-printf '%h ' \
-exec grep -xFA1 '%SHA256SUM%' {} \; | \
sed '
N
s|^.\+/\([^/]\+\) %SHA256SUM%\n\(.\+\)$|\2 /var/cache/archbuild32/\1|
' | \
sort -k2,2 | \
uniq -uf1 | \
while read -r s; do
printf '%s%s\n' \
"${s}" '-i686.pkg.tar.xz' \
"${s}" '-any.pkg.tar.xz'
done | \
sha256sum -c --ignore-missing --quiet 2> /dev/null | \
sed 's|: FAILED$||' | \
xargs -r ${dummynator} rm
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