cache_clean

#!/bin/bash
# cache_clean
# Save in /usr/local/bin and chmod 755 /usr/local/bin/cache_clean
# This script deletes all old duplicate rpms from an rpm cache.
# Run as root (su) :-
# cache_clean
###############################################################################
# CONFIGURATION :- Edit as needed
# Location of rpm cache to clean
scan_folder=/var/cache/urpmi/rpms
# Number of versions to be kept in the cache (e.g. 2 = latest and one previous.)
VERSIONS_TO_KEEP=2
###############################################################################
# Log file cleared at each run
pathtolog=/home/"$USER"/cache_clean.log

cacheclean()
{
scan_folder=$1
dupe=0
last_non_ver_name=
echo $(date) > $pathtolog
echo "Checking cache for old packages. Please wait..."
file_array=($(ls --sort version -r $scan_folder |grep ".rpm" |tr '\n' ' '))
for full_name in ${file_array[@]};do
non_ver_name=$( rpm -qp --queryformat %{Name} $scan_folder"/"$full_name )
if [ "$last_non_ver_name" == "$non_ver_name" ];then
   let dupe=$dupe+1
      if [ "$dupe" -ge "$VERSIONS_TO_KEEP" ];then
         rm $scan_folder"/"$full_name -f
         echo "Deleted  "$full_name | tee -a $pathtolog
      else
         echo "Keeping  "$full_name | tee -a $pathtolog
      fi
else
dupe=0
echo "Keeping  "$full_name | tee -a $pathtolog
fi
last_non_ver_name=$non_ver_name
done
}

cacheclean $scan_folder

# End of cache_clean