Release 1.2.7

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

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index d949e303a6d4728bb5acc4b514445741581d6d0c..7e976a087d68386ec63a4dcb96d6667d2830e817 100644 (file)
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -3,7 +3,7 @@
 #
 # This file understands the following apt configuration variables:
 # Values here are the default.
-# Create /etc/apt/apt.conf.d/02periodic file to set your preference.
+# Create /etc/apt/apt.conf.d/10periodic file to set your preference.
 #
 #  Dir "/";
 #  - RootDir for all configuration files
@@ -62,12 +62,28 @@
 #  APT::Periodic::AutocleanInterval "0";
 #  - Do "apt-get autoclean" every n-days (0=disable)
 #
+#  APT::Periodic::CleanInterval "0";
+#  - Do "apt-get clean" every n-days (0=disable)
+#
 #  APT::Periodic::Verbose "0";
 #  - Send report mail to root
 #      0:  no report             (or null string)
 #      1:  progress report       (actually any string)
 #      2:  + command outputs     (remove -qq, remove 2>/dev/null, add -d)
 #      3:  + trace on            
+#
+#  APT::Periodic::RandomSleep "1800";
+#  - The apt cron job will delay its execution by a random
+#    time span between zero and 'APT::Periodic::RandomSleep'
+#    seconds.
+#    This is done because otherwise everyone would access the
+#    mirror servers at the same time and put them collectively
+#    under very high strain.
+#    You can set this to '0' if you are using a local mirror and
+#    do not care about the load spikes.
+#    Note that sleeping in the apt job will be delaying the
+#    execution of all subsequent cron.daily jobs.
+#
 
 check_stamp()
 {
@@ -91,7 +107,7 @@ check_stamp()
     stamp=$(date --date=$(date -r $stamp_file --iso-8601) +%s 2>/dev/null)
     if [ "$?" != "0" ]; then
         # Due to some timezones returning 'invalid date' for midnight on
-        # certain dates (eg America/Sao_Paulo), if date returns with error
+        # certain dates (e.g. America/Sao_Paulo), if date returns with error
         # remove the stamp file and return 0. See coreutils bug:
         # http://lists.gnu.org/archive/html/bug-coreutils/2007-09/msg00176.html
         rm -f "$stamp_file"
@@ -101,14 +117,14 @@ check_stamp()
     now=$(date --date=$(date --iso-8601) +%s 2>/dev/null)
     if [ "$?" != "0" ]; then
         # As above, due to some timezones returning 'invalid date' for midnight
-        # on certain dates (eg America/Sao_Paulo), if date returns with error
+        # on certain dates (e.g. America/Sao_Paulo), if date returns with error
         # return 0.
         return 0
     fi
 
     delta=$(($now-$stamp))
 
-    # intervall is in days, convert to sec.
+    # interval is in days, convert to sec.
     interval=$(($interval*60*60*24))
     debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)"
 
@@ -311,7 +327,7 @@ check_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
+    if which on_ac_power >/dev/null 2>&1; then
         on_ac_power
         POWER=$?
         if [ $POWER -eq 1 ]; then
@@ -338,8 +354,8 @@ if test -r /var/lib/apt/extended_states; then
     fi
 fi
 
-# check apt-config exstance
-if ! which apt-config >/dev/null ; then
+# check apt-config existence
+if ! which apt-config >/dev/null 2>&1; then
        exit 0
 fi
 
@@ -375,7 +391,7 @@ 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 $XAPTOPT $XSTDERR ; then
+if which apt-get >/dev/null 2>&1 && ! eval apt-get check $XAPTOPT $XSTDERR ; then
     debug_echo "error encountered in cron job with \"apt-get check\"."
     exit 0
 fi
@@ -398,6 +414,9 @@ eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgr
 AutocleanInterval=0
 eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
 
+CleanInterval=0
+eval $(apt-config shell CleanInterval APT::Periodic::CleanInterval)
+
 BackupArchiveInterval=0
 eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
 
@@ -409,7 +428,8 @@ if [ $UpdateInterval -eq 0 ] &&
    [ $DownloadUpgradeableInterval -eq 0 ] &&
    [ $UnattendedUpgradeInterval -eq 0 ] &&
    [ $BackupArchiveInterval -eq 0 ] &&
-   [ $AutocleanInterval -eq 0 ]; then
+   [ $AutocleanInterval -eq 0 ] &&
+   [ $CleanInterval -eq 0 ]; then
 
     # check cache size
     check_size_constraints
@@ -438,7 +458,7 @@ UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
 if check_stamp $UPDATE_STAMP $UpdateInterval; then
     if eval apt-get $XAPTOPT -y update $XSTDERR; then
        debug_echo "download updated metadata (success)."
-       if which dbus-send >/dev/null && pidof dbus-daemon >/dev/null; then
+       if which dbus-send >/dev/null 2>&1 && pidof dbus-daemon >/dev/null 2>&1; then
            if dbus-send --system / app.apt.dbus.updated boolean:true ; then
                debug_echo "send dbus signal (success)"
            else
@@ -474,7 +494,7 @@ fi
 
 # auto upgrade all upgradeable packages
 UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
-if which unattended-upgrade >/dev/null && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
+if which unattended-upgrade >/dev/null 2>&1 && check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
     if unattended-upgrade $XUUPOPT; then
        update_stamp $UPGRADE_STAMP
        debug_echo "unattended-upgrade (success)"
@@ -485,6 +505,19 @@ else
     debug_echo "unattended-upgrade (not run)"
 fi
 
+# clean package archive
+CLEAN_STAMP=/var/lib/apt/periodic/clean-stamp
+if check_stamp $CLEAN_STAMP $CleanInterval; then
+    if  eval apt-get $XAPTOPT -y clean $XSTDERR; then
+       debug_echo "clean (success)."
+       update_stamp $CLEAN_STAMP
+    else
+       debug_echo "clean (error)"
+    fi
+else
+    debug_echo "clean (not run)"
+fi
+
 # autoclean package archive
 AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
 if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then