fi
}
+if ! which apt-config >/dev/null; then
+ exit 0
+fi
UpdateInterval=0
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)
fi
fi
+# check if we can lock the cache and if the cache is clean
+if ! apt-get check -q -q 2>/dev/null; then
+ echo "$0: could not lock the APT cache"
+ exit 1
+fi
+
+
UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
if check_stamp $UPDATE_STAMP $UpdateInterval; then
if apt-get -qq update 2>/dev/null; then
update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
fi
-AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
-if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then
- apt-get -qq autoclean
- 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
+AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
+if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then
+ apt-get -qq autoclean
+ update_stamp $AUTOCLEAN_STAMP
+fi
+
# check cache size
check_size_constraints