# "APT::Periodic::AutocleanInterval"
# - Do "apt-get autoclean" every n-days (0=disable)
#
+# "APT::Periodic::Unattended-Upgrade"
+# - Run the "unattended-upgrade" security upgrade script
+# every n-days (0=disabled)
+# Requires the package "unattended-upgrades" and will write
+# a log in /var/log/unattended-upgrades
+#
# "APT::Archives::MaxAge",
# - Set maximum allowed age of a cache package file. If a cache
# package file is older it is deleted (0=disable)
# check age
if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then
- find $Cache -name "*.deb" -mtime +$MaxAge -and -not -mtime -$MinAge -print0 | xargs -r -0 rm -f
+ find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
elif [ ! $MaxAge -eq 0 ]; then
- find $Cache -name "*.deb" -mtime +$MaxAge -print0 | xargs -r -0 rm -f
+ find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
fi
# check size
MinAge=$(($MinAge*24*60*60))
# reverse-sort by mtime
- for file in $(ls -rt $Cache/*.deb); do
+ for file in $(ls -rt $Cache/*.deb 2>/dev/null); do
du=$(du -s $Cache)
size=${du%%/*}
# check if the cache is small enough
# check for MinAge of the file
if [ ! $MinAge -eq 0 ]; then
- mtime=$(date --date=$(date -r $file --iso-8601) +%s)
- delta=$(($now-$mtime))
+ # 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-$ctime))
+ fi
#echo "$file ($delta), $MinAge"
if [ $delta -le $MinAge ]; then
#echo "Skiping $file (delta=$delta)"
- continue
+ break
fi
fi
DownloadUpgradeableInterval=0
eval $(apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists DownloadUpgradeableInterval APT::Periodic::Download-Upgradeable-Packages)
AutocleanInterval=$DownloadUpgradeableInterval
-eval $(apt-config shell AutocleanInterval APT::Periodic::Autoclean)
+eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
+
+UnattendedUpgradeInterval=0
+eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
+
# laptop check, on_ac_power returns:
# 0 (true) System is on mains power
update_stamp $AUTOCLEAN_STAMP
fi
+UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
+if check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
+ unattended-upgrade
+ update_stamp $UPGRADE_STAMP
+fi
+
# check cache size
check_size_constraints