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-rwxr-xr-xbin/clean-cache57
1 files changed, 57 insertions, 0 deletions
diff --git a/bin/clean-cache b/bin/clean-cache
new file mode 100755
index 0000000..726fd2e
--- /dev/null
+++ b/bin/clean-cache
@@ -0,0 +1,57 @@
+#!/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