X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6b519e4227f41980b6de18a882808df92f1e36f1..7697aea080f7fe079b304a98d2975a84a40ffb7a:/debian/apt.cron.daily?ds=inline

diff --git a/debian/apt.cron.daily b/debian/apt.cron.daily
index a09eeaca8..8e46651b2 100644
--- a/debian/apt.cron.daily
+++ b/debian/apt.cron.daily
@@ -1,4 +1,6 @@
 #!/bin/sh
+#
+
 #set -e
 #
 # This file understands the following apt configuration variables:
@@ -47,7 +49,7 @@
 #  APT::Periodic::Update-Package-Lists "0";
 #  - Do "apt-get update" automatically every n-days (0=disable)
 #    
-#  APT::Periodic::Download-Upgradeable-Packages "0";
+#  "APT::Periodic::Download-Upgradeable-Packages=0",
 #  - Do "apt-get upgrade --download-only" every n-days (0=disable)
 #
 #  APT::Periodic::Download-Upgradeable-Packages-Debdelta "1";
@@ -59,15 +61,21 @@
 #    Requires the package "unattended-upgrades" and will write
 #    a log in /var/log/unattended-upgrades
 # 
-#  APT::Periodic::AutocleanInterval "0";
-#  - Do "apt-get autoclean" every n-days (0=disable)
+#  "APT::Archives::MaxAge",
+#  - Set maximum allowed age of a cache package file. If a cache 
+#    package file is older it is deleted (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::Archives::MaxSize",
+#  - 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::Archives::MinAge"
+#  - 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.
+# 
 
 check_stamp()
 {
@@ -108,9 +116,17 @@ check_stamp()
 
     delta=$(($now-$stamp))
 
-    # intervall is in days, convert to sec.
+    # intervall is in days,
     interval=$(($interval*60*60*24))
-    debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)"
+    #echo "stampfile: $1"
+    #echo "interval=$interval, now=$now, stamp=$stamp, delta=$delta"
+
+    # remove timestamps a day (or more) in the future and force re-check
+    if [ $stamp -gt $(($now+86400)) ]; then
+         echo "WARNING: file $stamp_file has a timestamp in the future: $stamp"
+         rm -f "$stamp_file"
+         return 0
+    fi
 
     # remove timestamps a day (or more) in the future and force re-check
     if [ $stamp -gt $(($now+86400)) ]; then
@@ -129,6 +145,7 @@ check_stamp()
 update_stamp()
 {
     stamp="$1"
+
     touch $stamp
 }
 
@@ -329,7 +346,7 @@ fi
 AutoAptEnable=1  # default is yes
 eval $(apt-config shell AutoAptEnable APT::Periodic::Enable)
 
-if [ AutoAptEnable -eq 0 ]; then
+if [ $AutoAptEnable -eq 0 ]; then
     exit 0
 fi
 
@@ -384,11 +401,10 @@ now=$(date +%s)
 # Document only Periodic for all controling parameters of this script.
 
 UpdateInterval=0
-eval $(apt-config shell UpdateInterval APT::Periodic::Update-Package-Lists)
-
 DownloadUpgradeableInterval=0
-eval $(apt-config shell DownloadUpgradeableInterval APT::Periodic::Download-Upgradeable-Packages)
-
+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::AutocleanInterval)
 UnattendedUpgradeInterval=0
 eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
 
@@ -401,12 +417,15 @@ eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterv
 Debdelta=1
 eval $(apt-config shell Debdelta APT::Periodic::Download-Upgradeable-Packages-Debdelta)
 
-# check if we actually have to do anything
+# check if we actually have to do anything that requires locking the cache
 if [ $UpdateInterval -eq 0 ] &&
    [ $DownloadUpgradeableInterval -eq 0 ] &&
    [ $UnattendedUpgradeInterval -eq 0 ] &&
-   [ $BackupArchiveInterval -eq 0 ] &&
    [ $AutocleanInterval -eq 0 ]; then
+
+    # check cache size
+    check_size_constraints
+
     exit 0
 fi
 
@@ -421,7 +440,13 @@ random_sleep
 UPDATED=0
 UPDATE_STAMP=/var/lib/apt/periodic/update-stamp
 if check_stamp $UPDATE_STAMP $UpdateInterval; then
-    if eval apt-get $XAPTOPT -y update $XSTDERR; then
+    # check for a new archive signing key (against the master keyring)
+    if eval apt-key net-update $XSTDERR; then
+	debug_echo "apt-key net-update (success)"
+    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
 	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
@@ -434,6 +459,11 @@ if check_stamp $UPDATE_STAMP $UpdateInterval; then
 	fi
 	update_stamp $UPDATE_STAMP
 	UPDATED=1
+	# now run apt-xapian-index if it is installed to ensure the index
+	# is up-to-date
+	if [ -x /usr/sbin/update-apt-xapian-index ]; then
+	    ionice -c3 update-apt-xapian-index -q
+	fi
     else
 	debug_echo "download updated metadata (error)"
     fi