-CacheArchive="archives/"
-eval $(apt-config shell CacheArchive Dir::Cache::Archives)
-CacheArchive=${CacheArchive%/}
-if [ -z "$CacheArchive" ]; then
- debug_echo "practically empty Dir::Cache::archives, exiting"
- exit 0
-fi
-
-BackupArchiveInterval=0
-eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
-
-BackupLevel=3
-eval $(apt-config shell BackupLevel APT::Periodic::BackupLevel)
-if [ $BackupLevel -le 1 ]; then BackupLevel=2 ; fi
-
-CacheBackup="backup/"
-eval $(apt-config shell CacheBackup Dir::Cache::Backup)
-CacheBackup=${CacheBackup%/}
-if [ -z "$CacheBackup" ]; then
- echo "practically empty Dir::Cache::Backup, exiting" 1>&2
- exit 0
-fi
-
-# Support old Archive for compatibility.
-# Document only Periodic for all controling parameters of this script.
-MaxAge=0
-eval $(apt-config shell MaxAge APT::Archives::MaxAge)
-eval $(apt-config shell MaxAge APT::Periodic::MaxAge)
-
-MinAge=2
-eval $(apt-config shell MinAge APT::Archives::MinAge)
-eval $(apt-config shell MinAge APT::Periodic::MinAge)
-
-MaxSize=0
-eval $(apt-config shell MaxSize APT::Archives::MaxSize)
-eval $(apt-config shell MaxSize APT::Periodic::MaxSize)
-
-UpdateInterval=0
-eval $(apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists)
-
-DownloadUpgradeableInterval=0
-eval $(apt-config shell DownloadUpgradeableInterval APT::Periodic::Download-Upgradeable-Packages)
-
-UnattendedUpgradeInterval=0
-eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
-
-AutocleanInterval=0
-eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
-
-Cache="${Dir}/${CacheDir}/${CacheArchive}/"
-Back="${Dir}/${CacheDir}/${CacheBackup}/"
-BackX="${Back}${CacheArchive}/"
-for x in $(seq 0 1 $((${BackupLevel}-1))); do
- eval "Back${x}=${Back}${x}/"
-done
-
-# 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
projects / apt.git / blobdiff