# Dir "/";
# - RootDir for all configuration files
#
-# Dir::Cache "var/apt/cache/";
+# Dir::Cache "var/cache/apt/";
# - Set apt package cache directory
#
-# Dir::Cache::Archive "archives/";
+# Dir::Cache::Archives "archives/";
# - Set package archive directory
#
# APT::Periodic::Enable "1";
eval $(apt-config shell MaxSize APT::Archives::MaxSize)
eval $(apt-config shell MaxSize APT::Periodic::MaxSize)
- CacheDir="var/cache/apt/"
- eval $(apt-config shell CacheDir Dir::Cache)
- CacheDir=${CacheDir%/}
-
- CacheArchive="archives/"
- eval $(apt-config shell CacheArchive Dir::Cache::archives)
- CacheArchive=${CacheArchive%/}
+ Cache="/var/cache/apt/archives/"
+ eval $(apt-config shell Cache Dir::Cache::archives/d)
# sanity check
- if [ -z "$CacheDir" -o -z "$CacheArchive" ]; then
- echo "empty Dir::Cache or Dir::Cache::archives, exiting"
+ if [ -z "$Cache" ]; then
+ echo "empty Dir::Cache::archives, exiting"
exit
fi
-
- Cache="${Dir%/}/${CacheDir%/}/${CacheArchive%/}/"
# check age
if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then
fi
# Set default values and normalize
- Dir="/"
- eval $(apt-config shell Dir Dir)
- Dir=${Dir%/}
-
- CacheDir="var/cache/apt/"
- eval $(apt-config shell CacheDir Dir::Cache)
+ CacheDir="/var/cache/apt"
+ eval $(apt-config shell CacheDir Dir::Cache/d)
CacheDir=${CacheDir%/}
if [ -z "$CacheDir" ]; then
debug_echo "practically empty Dir::Cache, exiting"
return 0
fi
- CacheArchive="archives/"
- eval $(apt-config shell CacheArchive Dir::Cache::Archives)
- CacheArchive=${CacheArchive%/}
- if [ -z "$CacheArchive" ]; then
+ Cache="${CacheDir}/archives/"
+ eval $(apt-config shell Cache Dir::Cache::Archives/d)
+ if [ -z "$Cache" ]; then
debug_echo "practically empty Dir::Cache::archives, exiting"
return 0
fi
BackupLevel=2 ;
fi
- CacheBackup="backup/"
- eval $(apt-config shell CacheBackup Dir::Cache::Backup)
- CacheBackup=${CacheBackup%/}
- if [ -z "$CacheBackup" ]; then
+ Back="${CacheDir}/backup/"
+ eval $(apt-config shell Back Dir::Cache::Backup/d)
+ if [ -z "$Back" ]; then
echo "practically empty Dir::Cache::Backup, exiting" 1>&2
return
fi
- Cache="${Dir}/${CacheDir}/${CacheArchive}/"
- Back="${Dir}/${CacheDir}/${CacheBackup}/"
+ CacheArchive="$(basename "${Cache}")"
+ test -n "${CacheArchive}" || CacheArchive="archives"
BackX="${Back}${CacheArchive}/"
for x in $(seq 0 1 $((${BackupLevel}-1))); do
eval "Back${x}=${Back}${x}/"
fi
if [ -z "$RANDOM" ] ; then
# A fix for shells that do not have this bash feature.
- RANDOM=$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -c"1-5")
+ RANDOM=$(( $(dd if=/dev/urandom bs=2 count=1 2> /dev/null | cksum | cut -d' ' -f1) % 32767 ))
fi
TIME=$(($RANDOM % $RandomSleep))
debug_echo "sleeping for $TIME seconds"
fi
}
+check_power(){
+ # laptop check, on_ac_power returns:
+ # 0 (true) System is on main power
+ # 1 (false) System is not on main power
+ # 255 (false) Power status could not be determined
+ # Desktop systems always return 255 it seems
+ if which on_ac_power >/dev/null; then
+ on_ac_power
+ POWER=$?
+ if [ $POWER -eq 1 ]; then
+ debug_echo "exit: system NOT on main power"
+ return 1
+ elif [ $POWER -ne 0 ]; then
+ debug_echo "power status ($POWER) undetermined, continuing"
+ fi
+ debug_echo "system is on main power."
+ fi
+ return 0
+}
+
# ------------------------ 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
+if test -r /var/lib/apt/extended_states; then
+ # 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
fi
set -x
fi
-# laptop check, on_ac_power returns:
-# 0 (true) System is on main power
-# 1 (false) System is not on main power
-# 255 (false) Power status could not be determined
-# Desktop systems always return 255 it seems
-if which on_ac_power >/dev/null; then
- on_ac_power
- POWER=$?
- if [ $POWER -eq 1 ]; then
- debug_echo "exit: system NOT on main power"
- exit 0
- elif [ $POWER -ne 0 ]; then
- debug_echo "power status ($POWER) undetermined, continuing"
- fi
- debug_echo "system is on main power."
-fi
+check_power || exit 0
# check if we can lock the cache and if the cache is clean
-if which apt-get >/dev/null && ! eval apt-get check -f $XAPTOPT $XSTDERR ; then
+if which apt-get >/dev/null && ! eval apt-get check $XAPTOPT $XSTDERR ; then
debug_echo "error encountered in cron job with \"apt-get check\"."
exit 0
fi
# sleep random amount of time to avoid hitting the
# mirrors at the same time
random_sleep
+check_power || exit 0
# include default system language so that "apt-get update" will
# fetch the right translated package descriptions
# auto upgrade all upgradeable packages
UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
-if [ $UPDATED -eq 1 ] && which unattended-upgrade >/dev/null && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
+if 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)"
projects / apt.git / blobdiff