Add pacman cache cleanup utilities

root/etc/systemd/system/paccache.timer

@@ -0,0 +1,13 @@
+# Clean pacman cache of old and uninstalled packages every month
+# This needs to be started by systemctl stat paccache.timer
+# Usage requires pacman-contrib package to be installed
+
+[Unit]
+Description=Clean-up old pacman pkg
+
+[Timer]
+OnCalendar=monthly
+Persistent=true
+
+[Install]
+WantedBy=multi-user.target

root/usr/share/libalpm/hooks/paccache.hook.bak

@@ -0,0 +1,15 @@
+# Pacman hook to automatically run paccache -r with pacman
+# This hook is disabled by default, it can be enabled by
+# renaming this file from paccache.hook.bak to paccache.hook
+
+[Trigger]
+Operation = Upgrade
+Operation = Install
+Operation = Remove
+Type = Package
+Target = *
+
+[Action]
+Description = Cleaning pacman cache with paccache ...
+When = PostTransaction
+Exec = /usr/bin/paccache -r