+++ /dev/null
-#!/bin/sh
-#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.
-#
-# Dir "/";
-# - RootDir for all configuration files
-#
-# Dir::Cache "var/cache/apt/";
-# - Set apt package cache directory
-#
-# Dir::Cache::Archives "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::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
-# a log in /var/log/unattended-upgrades
-#
-# APT::Periodic::AutocleanInterval "0";
-# - Do "apt-get autoclean" 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
-
-check_stamp()
-{
- stamp="$1"
- interval="$2"
-
- if [ $interval -eq 0 ]; then
- debug_echo "check_stamp: interval=0"
- # treat as no time has passed
- return 1
- fi
-
- if [ ! -f $stamp ]; then
- debug_echo "check_stamp: missing time stamp file: $stamp."
- # treat as enough time has passed
- return 0
- fi
-
- # compare midnight today to midnight the day the stamp was updated
- stamp_file="$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
- # remove the stamp file and return 0. See coreutils bug:
- # http://lists.gnu.org/archive/html/bug-coreutils/2007-09/msg00176.html
- rm -f "$stamp_file"
- return 0
- fi
-
- now=$(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
- # return 0.
- return 0
- fi
-
- delta=$(($now-$stamp))
-
- # intervall is in days, convert to sec.
- interval=$(($interval*60*60*24))
- debug_echo "check_stamp: interval=$interval, now=$now, stamp=$stamp, delta=$delta (sec)"
-
- # 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
-
- if [ $delta -ge $interval ]; then
- return 0
- fi
-
- return 1
-}
-
-update_stamp()
-{
- stamp="$1"
- touch $stamp
-}
-
-# we check here if autoclean was enough sizewise
-check_size_constraints()
-{
- MaxAge=0
- eval $(apt-config shell MaxAge APT::Archives::MaxAge)
- eval $(apt-config shell MaxAge APT::Periodic::MaxAge)
-
- MinAge=2
- eval $(apt-config shell MinAge APT::Archives::MinAge)
- eval $(apt-config shell MinAge APT::Periodic::MinAge)
-
- MaxSize=0
- eval $(apt-config shell MaxSize APT::Archives::MaxSize)
- eval $(apt-config shell MaxSize APT::Periodic::MaxSize)
-
- Cache="/var/cache/apt/archives/"
- eval $(apt-config shell Cache Dir::Cache::archives/d)
-
- # sanity check
- if [ -z "$Cache" ]; then
- echo "empty Dir::Cache::archives, exiting"
- exit
- fi
-
- # check age
- if [ ! $MaxAge -eq 0 ] && [ ! $MinAge -eq 0 ]; then
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge and ctime>$MinAge and mtime>$MinAge"
- find $Cache -name "*.deb" \( -mtime +$MaxAge -and -ctime +$MaxAge \) -and -not \( -mtime -$MinAge -or -ctime -$MinAge \) -print0 | xargs -r -0 rm -f
- elif [ ! $MaxAge -eq 0 ]; then
- debug_echo "aged: ctime <$MaxAge and mtime <$MaxAge only"
- find $Cache -name "*.deb" -ctime +$MaxAge -and -mtime +$MaxAge -print0 | xargs -r -0 rm -f
- else
- debug_echo "skip aging since MaxAge is 0"
- fi
-
- # check size
- if [ ! $MaxSize -eq 0 ]; then
- # maxSize is in MB
- MaxSize=$(($MaxSize*1024))
-
- #get current time
- now=$(date --date=$(date --iso-8601) +%s)
- MinAge=$(($MinAge*24*60*60))
-
- # reverse-sort by mtime
- for file in $(ls -rt $Cache/*.deb 2>/dev/null); do
- du=$(du -s $Cache)
- size=${du%%/*}
- # check if the cache is small enough
- if [ $size -lt $MaxSize ]; then
- debug_echo "end remove by archive size: size=$size < $MaxSize"
- break
- fi
-
- # check for MinAge of the file
- if [ $MinAge -ne 0 ]; then
- # check both ctime and mtime
- mtime=$(stat -c %Y $file)
- ctime=$(stat -c %Z $file)
- if [ $mtime -gt $ctime ]; then
- delta=$(($now-$mtime))
- else
- delta=$(($now-$ctime))
- fi
- if [ $delta -le $MinAge ]; then
- debug_echo "skip remove by archive size: $file, delta=$delta < $MinAgeSec"
- break
- else
- # delete oldest file
- debug_echo "remove by archive size: $file, delta=$delta >= $MinAgeSec (sec), size=$size >= $MaxSize"
- rm -f $file
- fi
- fi
- done
- fi
-}
-
-# deal with the Apt::Periodic::BackupArchiveInterval
-do_cache_backup()
-{
- BackupArchiveInterval="$1"
- if [ $BackupArchiveInterval -eq 0 ]; then
- return
- fi
-
- # Set default values and normalize
- CacheDir="/var/cache/apt"
- eval $(apt-config shell CacheDir Dir::Cache/d)
- CacheDir=${CacheDir%/}
- if [ -z "$CacheDir" ]; then
- debug_echo "practically empty Dir::Cache, exiting"
- return 0
- fi
-
- Cache="${CacheDir}/archives/"
- eval $(apt-config shell Cache Dir::Cache::Archives/d)
- if [ -z "$Cache" ]; then
- debug_echo "practically empty Dir::Cache::archives, exiting"
- return 0
- fi
-
- BackupLevel=3
- eval $(apt-config shell BackupLevel APT::Periodic::BackupLevel)
- if [ $BackupLevel -le 1 ]; then
- BackupLevel=2 ;
- fi
-
- Back="${CacheDir}/backup/"
- eval $(apt-config shell Back Dir::Cache::Backup/d)
- if [ -z "$Back" ]; then
- echo "practically empty Dir::Cache::Backup, exiting" 1>&2
- return
- fi
-
- CacheArchive="$(basename "${Cache}")"
- test -n "${CacheArchive}" || CacheArchive="archives"
- BackX="${Back}${CacheArchive}/"
- for x in $(seq 0 1 $((${BackupLevel}-1))); do
- eval "Back${x}=${Back}${x}/"
- done
-
- # backup after n-days if archive contents changed.
- # (This uses hardlink to save disk space)
- BACKUP_ARCHIVE_STAMP=/var/lib/apt/periodic/backup-archive-stamp
- if check_stamp $BACKUP_ARCHIVE_STAMP $BackupArchiveInterval; then
- if [ $({(cd $Cache 2>/dev/null; find . -name "*.deb"); (cd $Back0 2>/dev/null;find . -name "*.deb") ;}| sort|uniq -u|wc -l) -ne 0 ]; then
- mkdir -p $Back
- rm -rf $Back$((${BackupLevel}-1))
- for y in $(seq $((${BackupLevel}-1)) -1 1); do
- eval BackY=${Back}$y
- eval BackZ=${Back}$(($y-1))
- if [ -e $BackZ ]; then
- mv -f $BackZ $BackY ;
- fi
- done
- cp -la $Cache $Back ; mv -f $BackX $Back0
- update_stamp $BACKUP_ARCHIVE_STAMP
- debug_echo "backup with hardlinks. (success)"
- else
- debug_echo "skip backup since same content."
- fi
- else
- debug_echo "skip backup since too new."
- fi
-}
-
-# sleep for a random interval 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))
- debug_echo "sleeping for $TIME seconds"
- sleep $TIME
-}
-
-
-debug_echo()
-{
- # Display message if $VERBOSE >= 1
- if [ "$VERBOSE" -ge 1 ]; then
- echo $1 1>&2
- fi
-}
-
-check_power(){
- # laptop check, on_ac_power returns:
- # 0 (true) System is on main power
- # 1 (false) System is not on main power
- # 255 (false) Power status could not be determined
- # Desktop systems always return 255 it seems
- if which on_ac_power >/dev/null; then
- on_ac_power
- POWER=$?
- if [ $POWER -eq 1 ]; then
- debug_echo "exit: system NOT on main power"
- return 1
- elif [ $POWER -ne 0 ]; then
- debug_echo "power status ($POWER) undetermined, continuing"
- fi
- debug_echo "system is on main power."
- fi
- return 0
-}
-
-# ------------------------ main ----------------------------
-
-if test -r /var/lib/apt/extended_states; then
- # Backup the 7 last versions of APT's extended_states file
- # shameless copy from dpkg cron
- if cd /var/backups ; then
- if ! cmp -s apt.extended_states.0 /var/lib/apt/extended_states; then
- cp -p /var/lib/apt/extended_states apt.extended_states
- savelog -c 7 apt.extended_states >/dev/null
- fi
- fi
-fi
-
-# check apt-config exstance
-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 $VERBOSE"
-if [ "$VERBOSE" -le 2 ]; then
- # quiet for 0,1,2
- XSTDOUT=">/dev/null"
- XSTDERR="2>/dev/null"
- XAPTOPT="-qq"
- XUUPOPT=""
-else
- XSTDOUT=""
- XSTDERR=""
- XAPTOPT=""
- XUUPOPT="-d"
-fi
-if [ "$VERBOSE" -ge 3 ]; then
- # trace output
- set -x
-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 -f $XAPTOPT $XSTDERR ; then
- debug_echo "error encountered in cron job with \"apt-get check\"."
- exit 0
-fi
-
-# Global current time in seconds since 1970-01-01 00:00:00 UTC
-now=$(date +%s)
-
-# Support old Archive for compatibility.
-# 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)
-
-UnattendedUpgradeInterval=0
-eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
-
-AutocleanInterval=0
-eval $(apt-config shell AutocleanInterval APT::Periodic::AutocleanInterval)
-
-BackupArchiveInterval=0
-eval $(apt-config shell BackupArchiveInterval APT::Periodic::BackupArchiveInterval)
-
-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 ] &&
- [ $BackupArchiveInterval -eq 0 ] &&
- [ $AutocleanInterval -eq 0 ]; then
-
- # check cache size
- check_size_constraints
-
- exit 0
-fi
-
-# deal with BackupArchiveInterval
-do_cache_backup $BackupArchiveInterval
-
-# sleep random amount of time to avoid hitting the
-# mirrors at the same time
-random_sleep
-check_power || exit 0
-
-# include default system language so that "apt-get update" will
-# fetch the right translated package descriptions
-if [ -r /etc/default/locale ]; then
- . /etc/default/locale
- export LANG LANGUAGE LC_MESSAGES LC_ALL
-fi
-
-# update package lists
-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
- 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
- debug_echo "send dbus signal (success)"
- else
- debug_echo "send dbus signal (error)"
- fi
- else
- debug_echo "dbus signal not send (command not available)"
- fi
- update_stamp $UPDATE_STAMP
- UPDATED=1
- else
- debug_echo "download updated metadata (error)"
- fi
-else
- debug_echo "download updated metadata (not run)."
-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)"
- else
- debug_echo "download upgradable (error)"
- fi
-else
- debug_echo "download upgradable (not run)"
-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 unattended-upgrade $XUUPOPT; then
- update_stamp $UPGRADE_STAMP
- debug_echo "unattended-upgrade (success)"
- else
- debug_echo "unattended-upgrade (error)"
- fi
-else
- debug_echo "unattended-upgrade (not run)"
-fi
-
-# autoclean package archive
-AUTOCLEAN_STAMP=/var/lib/apt/periodic/autoclean-stamp
-if check_stamp $AUTOCLEAN_STAMP $AutocleanInterval; then
- if eval apt-get $XAPTOPT -y autoclean $XSTDERR; then
- debug_echo "autoclean (success)."
- update_stamp $AUTOCLEAN_STAMP
- else
- debug_echo "autoclean (error)"
- fi
-else
- debug_echo "autoclean (not run)"
-fi
-
-# check cache size
-check_size_constraints
-
-#
-# vim: set sts=4 ai :
-#
-
projects / config / helga / etc.git / commitdiff