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-rw-r--r--debian/apt.cron.daily29
-rw-r--r--debian/changelog5
2 files changed, 23 insertions, 11 deletions
diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index 84d3afe1d..c358ef012 100644
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -175,10 +175,16 @@ 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::AutocleanInterval)
-
UnattendedUpgradeInterval=0
eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
+# check if we actually have to do anything
+if [ $UpdateInterval -eq 0 ] &&
+ [ $DownloadUpgradeableInterval -eq 0 ] &&
+ [ $UnattendedUpgradeInterval -eq 0 ] &&
+ [ $AutocleanInterval -eq 0 ]; then
+ exit 0
+fi
# laptop check, on_ac_power returns:
# 0 (true) System is on mains power
@@ -192,19 +198,20 @@ if which on_ac_power >/dev/null; then
fi
fi
-# check if we can lock the cache and if the cache is clean
-# There's a reasonable chance that someone is already running an apt
-# frontend that has locked the cache, so exit quietly if it is locked.
-if ! apt-get check -q -q 2>/dev/null; then
- exit 0
-fi
-
-# sleep random amount of time
+# sleep random amount of time to avoid hitting the
+# mirrors at the same time
random_sleep
-# check again if we can access the cache
+# check if we can access the cache
if ! apt-get check -q -q 2>/dev/null; then
- exit 1
+ # wait random amount of time before retrying
+ random_sleep
+ # check again
+ if ! apt-get check -q -q 2>/dev/null; then
+ echo "$0: could not lock the APT cache while performing daily cron job. "
+ echo "Is another package manager working?"
+ exit 1
+ fi
fi
UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
diff --git a/debian/changelog b/debian/changelog
index 9dc7cf40f..bd129eec3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -31,6 +31,11 @@ apt (0.7.14) UNRELEASED; urgency=low
* Apply patch to avoid truncating of arbitrary files. Thanks to Bryan
Donlan <bdonlan@fushizen.net> for the patch. Closes: #482476
* Avoid using dbus if dbus-daemon isn't running. Closes: #438803
+
+ [ Michael Vogt ]
+ * debian/apt.cron.daily:
+ - apply patch based on the ideas of Francesco Poli for better
+ behavior when the cache can not be locked (closes: #459344)
-- Christian Perrier <bubulle@debian.org> Sun, 04 May 2008 08:31:06 +0200