* Merged from the mvo branch

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

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index 980bfbb9da6eed4cbef1788d1e893483d709f0ad..aa7b188860676cb3f44a13ba098ca7fc305133d5 100644 (file)
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -4,17 +4,58 @@
 #set -e
 #
 # 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.
 #
-#  "APT::Periodic::Update-Package-Lists=1"
+#  Dir "/";
+#  - RootDir for all configuration files
+#
+#  Dir::Cache "var/apt/cache/";
+#  - Set apt package cache directory
+#
+#  Dir::Cache::Archive "archives/";
+#  - Set package archive directory
+#
+#  APT::Periodic::Enable "1";
+#  - Enable the update/upgrade script (0=disable)
+#
+#  APT::Periodic::BackupArchiveInterval "0";
+#  - Backup after n-days if archive contents changed.(0=disable)
+#
+#  APT::Periodic::BackupLevel "3";
+#  - Backup level.(0=disable), 1 is invalid.
+#
+#  Dir::Cache::Backup "backup/";
+#  - Set periodic package backup directory
+#
+#  APT::Archives::MaxAge "0"; (old, deprecated)
+#  APT::Periodic::MaxAge "0"; (new)
+#  - Set maximum allowed age of a cache package file. If a cache 
+#    package file is older it is deleted (0=disable)
+#
+#  APT::Archives::MinAge "2"; (old, deprecated)
+#  APT::Periodic::MinAge "2"; (new)
+#  - Set minimum age of a package file. If a file is younger it
+#    will not be deleted (0=disable). Usefull to prevent races 
+#    and to keep backups of the packages for emergency.
+#
+#  APT::Archives::MaxSize "0"; (old, deprecated)
+#  APT::Periodic::MaxSize "0"; (new)
+#  - Set maximum size of the cache in MB (0=disable). If the cache
+#    is bigger, cached package files are deleted until the size
+#    requirement is met (the biggest packages will be deleted 
+#    first).
+#
+#  APT::Periodic::Update-Package-Lists "0";
 #  - Do "apt-get update" automatically every n-days (0=disable)
 #    
 #  "APT::Periodic::Download-Upgradeable-Packages=0",
 #  - Do "apt-get upgrade --download-only" every n-days (0=disable)
-# 
-#  "APT::Periodic::AutocleanInterval"
-#  - Do "apt-get autoclean" every n-days (0=disable)
 #
-#  "APT::Periodic::Unattended-Upgrade"
+#  APT::Periodic::Download-Upgradeable-Packages-Debdelta "1";
+#  - Use debdelta-upgrade to download updates if available (0=disable)
+#
+#  APT::Periodic::Unattended-Upgrade "0";
 #  - Run the "unattended-upgrade" security upgrade script 
 #    every n-days (0=disabled)
 #    Requires the package "unattended-upgrades" and will write
@@ -301,12 +342,18 @@ if ! which apt-config >/dev/null ; then
        exit 0
 fi
 
+# check if the user really wants to do something
+AutoAptEnable=1  # default is yes
+eval $(apt-config shell AutoAptEnable APT::Periodic::Enable)
+
+if [ $AutoAptEnable -eq 0 ]; then
+    exit 0
+fi
+
 # Set VERBOSE mode from  apt-config (or inherit from environment)
+VERBOSE=0
 eval $(apt-config shell VERBOSE APT::Periodic::Verbose)
 debug_echo "verbose level $VERBOSE"
-if [ -z "$VERBOSE" ]; then
-    VERBOSE="0"
-fi
 if [ "$VERBOSE" -le 2 ]; then
     # quiet for 0,1,2
     XSTDOUT=">/dev/null"
@@ -367,11 +414,18 @@ eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
 BackupArchiveInterval=0
 eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
 
-# check if we actually have to do anything
+Debdelta=1
+eval $(apt-config shell Debdelta APT::Periodic::Download-Upgradeable-Packages-Debdelta)
+
+# check if we actually have to do anything that requires locking the cache
 if [ $UpdateInterval -eq 0 ] &&
    [ $DownloadUpgradeableInterval -eq 0 ] &&
    [ $UnattendedUpgradeInterval -eq 0 ] &&
    [ $AutocleanInterval -eq 0 ]; then
+
+    # check cache size
+    check_size_constraints
+
     exit 0
 fi
 
@@ -404,7 +458,7 @@ if check_stamp $UPDATE_STAMP $UpdateInterval; then
     else
        debug_echo "apt-key net-update (failure)"
     fi
-    if eval apt-get $XAPTOPT -y update -o APT::Update::Auth-Failure::="cp /usr/share/apt/apt-auth-failure.note /var/lib/update-notifier/user.d/" $XSTDERR; then
+    if eval apt-get $XAPTOPT -y update -o APT::Update::Auth-Failure::=\"cp /usr/share/apt/apt-auth-failure.note /var/lib/update-notifier/user.d/\" $XSTDERR; then
        debug_echo "download updated metadata (success)."
        if which dbus-send >/dev/null && pidof dbus-daemon >/dev/null; then
            if dbus-send --system / app.apt.dbus.updated boolean:true ; then
@@ -432,6 +486,9 @@ fi
 # download all upgradeable packages (if it is requested)
 DOWNLOAD_UPGRADEABLE_STAMP=/var/lib/apt/periodic/download-upgradeable-stamp
 if [ $UPDATED -eq 1 ] && check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
+    if [ $Debdelta -eq 1 ]; then
+        debdelta-upgrade >/dev/null 2>&1 || true
+    fi
     if  eval apt-get $XAPTOPT -y -d dist-upgrade $XSTDERR; then
        update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
        debug_echo "download upgradable (success)"