-# backup after n-days if archive contents changed.
-# (This uses hardlink to save disk space)
-BACKUP_ARCHIVE_STAMP=/var/lib/apt/periodic/backup-archive-stamp
-if check_stamp $BACKUP_ARCHIVE_STAMP $BackupArchiveInterval; then
- if [ $({(cd $Cache 2>/dev/null; find . -name "*.deb"); (cd $Back0 2>/dev/null;find . -name "*.deb") ;}| sort|uniq -u|wc -l) -ne 0 ]; then
- mkdir -p $Back
- rm -rf $Back$((${BackupLevel}-1))
- for y in $(seq $((${BackupLevel}-1)) -1 1); do
- eval BackY=${Back}$y
- eval BackZ=${Back}$(($y-1))
- if [ -e $BackZ ]; then mv -f $BackZ $BackY ; fi
- done
- cp -la $Cache $Back ; mv -f $BackX $Back0
- update_stamp $BACKUP_ARCHIVE_STAMP
- debug_echo "backup with hardlinks. (success)"
- else
-
- debug_echo "skip backup since same content."
- fi
-else
- debug_echo "skip backup since too new."
-fi
-
-# package archive contnts removal by package age
-if [ $MaxAge -ne 0 ] && [ $MinAge -ne 0 ]; then
- find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge and ctime>$MinAge and mtime>$MinAge"
-elif [ $MaxAge -ne 0 ]; then
- find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge only"
-else
- debug_echo "skip aging since MaxAge is 0"
-fi
-
-# package archive contnts removal down to $MaxSize
-if [ $MaxSize -ne 0 ]; then
-
- MinAgeSec=$(($MinAge*24*60*60))
-
- # reverse-sort by mtime
- for file in $(ls -rt $Cache/*.deb 2>/dev/null); do
- du=$(du -m -s $Cache)
- size=${du%%/*}
- # check if the cache is small enough
- if [ $size -lt $MaxSize ]; then
- debug_echo "end remove by archive size: size=$size < $MaxSize"
- break
- fi
-
- # check for MinAge in second of the file
- if [ $MinAgeSec -ne 0 ]; then
- # check both ctime and mtime
- mtime=$(stat -c %Y $file)
- ctime=$(stat -c %Z $file)
- if [ $mtime -gt $ctime ]; then
- delta=$(($now-$mtime))
- else
- delta=$(($now-$ctime))
- fi
- if [ $delta -le $MinAgeSec ]; then
- debug_echo "skip remove by archive size: $file, delta=$delta < $MinAgeSec"
- else
- # delete oldest file
- debug_echo "remove by archive size: $file, delta=$delta >= $MinAgeSec (sec), size=$size >= $MaxSize"
- rm -f $file
- fi
- fi
-
- done
projects / apt.git / blobdiff