* debian/apt.conf.daily:

[apt.git] / debian / apt.cron.daily

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index 778e3cefefb9da48091f95aae9d6db9e91b18b83..1d4df56b63ccd7a06f3633cc01d56e33ed3ec104 100644 (file)
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -170,6 +170,13 @@ if which on_ac_power >/dev/null; then
     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
@@ -186,17 +193,17 @@ if check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; 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