# Dir::Cache::Archive "archives/";
# - Set package archive directory
#
+# APT::Periodic::Enable "1";
+# - Enable the update/upgrade script (0=disable)
+#
# APT::Periodic::BackupArchiveInterval "0";
# - Backup after n-days if archive contents changed.(0=disable)
#
#
# APT::Periodic::Download-Upgradeable-Packages "0";
# - Do "apt-get upgrade --download-only" every n-days (0=disable)
-#
+#
+# APT::Periodic::Download-Upgradeable-Packages-Debdelta "1";
+# - Use debdelta-upgrade to download updates if available (0=disable)
+#
# APT::Periodic::Unattended-Upgrade "0";
# - Run the "unattended-upgrade" security upgrade script
# every n-days (0=disabled)
interval="$2"
if [ $interval -eq 0 ]; then
- debug_echo "check_stamp: interval=0."
+ debug_echo "check_stamp: interval=0"
# treat as no time has passed
return 1
fi
fi
# compare midnight today to midnight the day the stamp was updated
- stamp=$(date -r $stamp '+%s')
+ stamp_file="$stamp"
+ stamp=$(date --date=$(date -r $stamp_file --iso-8601) +%s 2>/dev/null)
+ if [ "$?" != "0" ]; then
+ # Due to some timezones returning 'invalid date' for midnight on
+ # certain dates (eg America/Sao_Paulo), if date returns with error
+ # remove the stamp file and return 0. See coreutils bug:
+ # http://lists.gnu.org/archive/html/bug-coreutils/2007-09/msg00176.html
+ rm -f "$stamp_file"
+ return 0
+ fi
+
+ now=$(date --date=$(date --iso-8601) +%s 2>/dev/null)
+ if [ "$?" != "0" ]; then
+ # As above, due to some timezones returning 'invalid date' for midnight
+ # on certain dates (eg America/Sao_Paulo), if date returns with error
+ # return 0.
+ return 0
+ fi
+
delta=$(($now-$stamp))
# intervall is in days, convert to sec.
interval=$(($interval*60*60*24))
debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)"
+ # remove timestamps a day (or more) in the future and force re-check
+ if [ $stamp -gt $(($now+86400)) ]; then
+ echo "WARNING: file $stamp_file has a timestamp in the future: $stamp"
+ rm -f "$stamp_file"
+ return 0
+ fi
+
if [ $delta -ge $interval ]; then
return 0
fi
# ------------------------ main ----------------------------
+# Backup the 7 last versions of APT's extended_states file
+# shameless copy from dpkg cron
+if cd /var/backups ; then
+ if ! cmp -s apt.extended_states.0 /var/lib/apt/extended_states; then
+ cp -p /var/lib/apt/extended_states apt.extended_states
+ savelog -c 7 apt.extended_states >/dev/null
+ fi
+fi
+
# check apt-config exstance
if ! which apt-config >/dev/null ; then
exit 0
fi
+# check if the user really wants to do something
+AutoAptEnable=1 # default is yes
+eval $(apt-config shell AutoAptEnable APT::Periodic::Enable)
+
+if [ $AutoAptEnable -eq 0 ]; then
+ exit 0
+fi
+
# Set VERBOSE mode from apt-config (or inherit from environment)
+VERBOSE=0
eval $(apt-config shell VERBOSE APT::Periodic::Verbose)
debug_echo "verbose level $VERBOSE"
-if [ -z "$VERBOSE" ]; then
- VERBOSE="0"
-fi
if [ "$VERBOSE" -le 2 ]; then
# quiet for 0,1,2
XSTDOUT=">/dev/null"
fi
# check if we can lock the cache and if the cache is clean
-if which apt-get >/dev/null && ! eval apt-get check $XAPTOPT $XSTDERR ; then
+if which apt-get >/dev/null && ! eval apt-get check -f $XAPTOPT $XSTDERR ; then
debug_echo "error encountered in cron job with \"apt-get check\"."
exit 0
fi
BackupArchiveInterval=0
eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
-# check if we actually have to do anything
+Debdelta=1
+eval $(apt-config shell Debdelta APT::Periodic::Download-Upgradeable-Packages-Debdelta)
+
+# check if we actually have to do anything that requires locking the cache
if [ $UpdateInterval -eq 0 ] &&
[ $DownloadUpgradeableInterval -eq 0 ] &&
[ $UnattendedUpgradeInterval -eq 0 ] &&
[ $BackupArchiveInterval -eq 0 ] &&
[ $AutocleanInterval -eq 0 ]; then
+
+ # check cache size
+ check_size_constraints
+
exit 0
fi
random_sleep
# update package lists
+UPDATED=0
UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
if check_stamp $UPDATE_STAMP $UpdateInterval; then
if eval apt-get $XAPTOPT -y update $XSTDERR; then
debug_echo "dbus signal not send (command not available)"
fi
update_stamp $UPDATE_STAMP
+ UPDATED=1
else
debug_echo "download updated metadata (error)"
fi
# download all upgradeable packages (if it is requested)
DOWNLOAD_UPGRADEABLE_STAMP=/var/lib/apt/periodic/download-upgradeable-stamp
-if check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
+if [ $UPDATED -eq 1 ] && check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
+ if [ $Debdelta -eq 1 ]; then
+ debdelta-upgrade >/dev/null 2>&1 || true
+ fi
if eval apt-get $XAPTOPT -y -d dist-upgrade $XSTDERR; then
update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
debug_echo "download upgradable (success)"
# auto upgrade all upgradeable packages
UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
-if which unattended-upgrade >/dev/null && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
+if [ $UPDATED -eq 1 ] && which unattended-upgrade >/dev/null && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
if unattended-upgrade $XUUPOPT; then
update_stamp $UPGRADE_STAMP
debug_echo "unattended-upgrade (success)"
debug_echo "autoclean (not run)"
fi
+# check cache size
+check_size_constraints
+
#
# vim: set sts=4 ai :
#
projects / apt.git / blobdiff