* Apply patch to avoid truncating of arbitrary files. Thanks to Bryan

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

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index 127ecf47d8817dbf88255e6067f8441cc5599ba5..a5c646d92f699d5280220d0bc50ce60e3423333e 100644 (file)
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -147,6 +147,28 @@ check_size_constraints()
     fi
 }
 
     fi
 }
 

+# sleep for a random intervall of time (default 30min)
+# (some code taken from cron-apt, thanks)
+random_sleep()
+{
+    RandomSleep=1800
+    eval $(apt-config shell RandomSleep APT::Periodic::RandomSleep)
+    if [ $RandomSleep -eq 0 ]; then
+       return
+    fi
+    if [ -z "$RANDOM" ] ; then
+        # A fix for shells that do not have this bash feature.
+       RANDOM=$(dd if=/dev/urandom count=1 2> /dev/null | cksum | cut -c"1-5")
+    fi
+    TIME=$(($RANDOM % $RandomSleep))
+    sleep $TIME
+}
+
+# main
+
+if ! which apt-config >/dev/null; then
+       exit 0
+fi

 
 UpdateInterval=0
 DownloadUpgradeableInterval=0
 
 UpdateInterval=0
 DownloadUpgradeableInterval=0


@@ -158,10 +180,6 @@ UnattendedUpgradeInterval=0
 eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
 
 
 eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
 
 

-UnattendedUpgradeInterval=0
-eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
-
-

 # laptop check, on_ac_power returns:
 #       0 (true)    System is on mains power
 #       1 (false)   System is not on mains power
 # laptop check, on_ac_power returns:
 #       0 (true)    System is on mains power
 #       1 (false)   System is not on mains power


@@ -174,11 +192,51 @@ if which on_ac_power >/dev/null; then
     fi
 fi
 
     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
+random_sleep
+
+# check again if we can access the cache
+if ! apt-get check -q -q 2>/dev/null; then
+    exit 1
+fi
+
+# set the proxy based on the admin users gconf settings
+admin_user=$(getent group admin|cut -d: -f4|cut -d, -f1)
+if [ -n "$admin_user" ] && [ -x /usr/bin/sudo ] && [ -z "$http_proxy" ] && [ -x /usr/bin/gconftool ]; then
+       use=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/use_http_proxy)
+       host=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/host)
+       port=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/port)
+       if [ "$use" = "true" ] && [ -n "$host" ] && [ -n "$port" ]; then
+               export http_proxy="http://$host:$port/"
+       fi
+fi
+
+# sleep random amount of time
+random_sleep
+
+# check again if we can access the cache
+if ! apt-get check -q -q 2>/dev/null; then
+    exit 1
+fi
+

 UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
 if check_stamp $UPDATE_STAMP $UpdateInterval; then
 UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
 if check_stamp $UPDATE_STAMP $UpdateInterval; then

-    if apt-get -qq update 2>/dev/null; then
+    # check for a new archive signing key (against the master keyring)
+    apt-key net-update
+    # now run the update
+    if apt-get -qq update -o APT::Update::Auth-Failure::="cp /usr/share/apt/apt-auth-failure.note /var/lib/update-notifier/user.d/" 2>/dev/null; then 
+       # Could possible test access to '/var/run/dbus/system_bus_socket' has well,
+       # but I'm not sure how stable the internal pipe location is defined as
+       # being;  so for the moment just 2>/dev/null . --sladen 2007-09-27

        if which dbus-send >/dev/null; then
        if which dbus-send >/dev/null; then

-           dbus-send --system / app.apt.dbus.updated boolean:true
+           dbus-send --system / app.apt.dbus.updated boolean:true 2>/dev/null || true

        fi
         update_stamp $UPDATE_STAMP
     fi
        fi
         update_stamp $UPDATE_STAMP
     fi


@@ -190,17 +248,17 @@ if check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
     update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
 fi
 
     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
 
 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
 # check cache size 
 check_size_constraints