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

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index 1d830260b82c50f9b2e6859bd4abb268c61ebc4b..778e3cefefb9da48091f95aae9d6db9e91b18b83 100644 (file)
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -14,6 +14,12 @@
 #  "APT::Periodic::AutocleanInterval"
 #  - Do "apt-get autoclean" every n-days (0=disable)
 #
+#  "APT::Periodic::Unattended-Upgrade"
+#  - Run the "unattended-upgrade" security upgrade script 
+#    every n-days (0=disabled)
+#    Requires the package "unattended-upgrades" and will write
+#    a log in /var/log/unattended-upgrades
+# 
 #  "APT::Archives::MaxAge",
 #  - Set maximum allowed age of a cache package file. If a cache 
 #    package file is older it is deleted (0=disable)
@@ -69,51 +75,6 @@ update_stamp()
 
 
 
-# we check here if autoclean was enough sizewise
-check_size_constraints()
-{
-    # min-age in days
-    MaxAge=0
-    MaxSize=0
-    CacheDir="var/cache/apt"
-    CacheArchive="archives/"
-    eval $(apt-config shell MaxAge APT::Archives::MaxAge)
-    eval $(apt-config shell MaxSize APT::Archives::MaxSize)
-    eval $(apt-config shell CacheDir Dir::Cache)
-    eval $(apt-config shell CacheArchive Dir::Cache::archives)
-
-    # sanity check
-    if [ -z "$CacheDir" -o -z "$CacheArchive" ]; then
-       echo "empty Dir::Cache or Dir::Cache::archives, exiting"
-       exit
-    fi
-    Cache="/"$CacheDir$CacheArchive
-
-    # check age
-    if [ ! $MaxAge -eq 0 ]; then
-       find $Cache -name "*.deb"  -mtime +$MaxAge -print0 | xargs -r -0 rm -f
-    fi
-    
-    # check size
-    if [ ! $MaxSize -eq 0 ]; then
-       # reverse-sort by mtime
-       for file in $(ls -rt $Cache/*.deb); do 
-           du=$(du -s $Cache)
-           size=${du%%/*}
-           # check if the cache is small enough
-           if [ $size -lt $MaxSize ]; then
-               break
-           fi
-           # delete oldest file
-           rm -f $file
-       done
-    fi
-}
-
-check_size_constraints
-
-
-
 # we check here if autoclean was enough sizewise
 check_size_constraints()
 {
@@ -140,9 +101,9 @@ check_size_constraints()
 
     # check age
     if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then
-       find $Cache -name "*.deb"  -mtime +$MaxAge -and -not -mtime -$MinAge -print0 | xargs -r -0 rm -f
+       find $Cache -name "*.deb"  \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
     elif [ ! $MaxAge -eq 0 ]; then
-       find $Cache -name "*.deb"  -mtime +$MaxAge -print0 | xargs -r -0 rm -f
+       find $Cache -name "*.deb"  -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
     fi
     
     # check size
@@ -155,7 +116,7 @@ check_size_constraints()
        MinAge=$(($MinAge*24*60*60))
 
        # reverse-sort by mtime
-       for file in $(ls -rt $Cache/*.deb); do 
+       for file in $(ls -rt $Cache/*.deb 2>/dev/null); do 
            du=$(du -s $Cache)
            size=${du%%/*}
            # check if the cache is small enough
@@ -165,12 +126,18 @@ check_size_constraints()
 
            # check for MinAge of the file
            if [ ! $MinAge -eq 0 ]; then 
-               mtime=$(date --date=$(date -r $file --iso-8601) +%s)
-               delta=$(($now-$mtime))
+               # check both ctime and mtime 
+               mtime=$(stat -c %Y $file)
+               ctime=$(stat -c %Z $file)
+               if [ $mtime -gt $ctime ]; then
+                   delta=$(($now-$mtime))
+               else
+                   delta=$(($now-$ctime))
+               fi
                #echo "$file ($delta), $MinAge"
                if [ $delta -le $MinAge ]; then
                    #echo "Skiping $file (delta=$delta)"
-                   continue
+                   break
                fi
            fi
 
@@ -185,7 +152,11 @@ 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)
+
 
 # laptop check, on_ac_power returns:
 #       0 (true)    System is on mains power
@@ -218,9 +189,14 @@ fi
 AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
 if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then
     apt-get -qq autoclean
-    check_size_contrains
     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
+
 # check cache size 
 check_size_constraints