byp4a55 professor6T9

Linux hosting2.otcommerce 6.8.0-117-generic #117-Ubuntu SMP PREEMPT_DYNAMIC Tue May 5 19:26:24 UTC 2026 x86_64
Apache/2.4.58 (Ubuntu)
127.0.0.1

File Name : apt.systemd.daily

#!/bin/sh
#set -e
#
# This file understands the following apt configuration variables:
# Values here are the default.
# Create /etc/apt/apt.conf.d/10periodic file to set your preference.
#
# All of the n-days interval options also accept the suffixes
# s for seconds, m for minutes, h for hours, d for days or
# the "always" value to do the action for every job run,
# which can be used with systemd OnCalendar overrides to
# define custom schedules for the apt update/upgrade jobs.
#
#  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). Useful 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 oldest 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::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            
#

check_stamp()
{
    stamp="$1"
    interval="$2"

if [ "$interval" = always ]; then
	debug_echo "check_stamp: ignoring time stamp file, interval set to always"
	# treat as enough time has passed
        return 0
    fi

if [ "$interval" = 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 [ "$?" != "0" ]; then
        # Due to some timezones returning 'invalid date' for midnight on
        # certain dates (e.g. America/Sao_Paulo), if date returns with error
        # remove the stamp file and return 0. See coreutils bug:
        # http://lists.gnu.org/archive/html/bug-coreutils/2007-09/msg00176.html
        rm -f "$stamp_file"
        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 (e.g. America/Sao_Paulo), if date returns with error
        # return 0.
        return 0
    fi

delta=$((now-stamp))

# Calculate the interval in seconds depending on the unit specified
    if [ "${interval%s}" != "$interval" ] ; then
        interval="${interval%s}"
    elif [ "${interval%m}" != "$interval" ] ; then
        interval="${interval%m}"
        interval=$((interval*60))
    elif [ "${interval%h}" != "$interval" ] ; then
        interval="${interval%h}"
        interval=$((interval*60*60))
    else
        interval="${interval%d}"
        interval=$((interval*60*60*24))
    fi

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 < $MinAge"
		    break
		else
		    # delete oldest file
		    debug_echo "remove by archive size: $file, delta=$delta >= $MinAge (sec), size=$size >= $MaxSize"
		    rm -f "$file"
		fi
	    fi
	done
    fi
}

# deal with the Apt::Periodic::BackupArchiveInterval
do_cache_backup()
{
    BackupArchiveInterval="$1"
    if [ "$BackupArchiveInterval" = always ]; then
        :
    elif [ "$BackupArchiveInterval" = 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
}

debug_echo()
{
    # Display message if $VERBOSE >= 1
    if [ "$VERBOSE" -ge 1 ]; then
        echo "$1" 1>&2
    fi
}

# ------------------------ main ----------------------------
if [ "$1" = "lock_is_held" ]; then
    shift
else
    # Maintain a lock on fd 3, so we can't run the script twice at the same
    # time.
    eval $(apt-config shell StateDir Dir::State/d)
    exec 3>${StateDir}/daily_lock
    if ! flock -w 3600 3; then
        echo "E: Could not acquire lock" >&2
        exit 1
    fi

# We hold the lock.  Rerun this script as a child process, which
    # can run without propagating an extra fd to all of its children.
    "$0" lock_is_held "$@" 3>&-
    exit $?
fi

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 existence
if ! command -v 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 1 ]; then
    # quiet for 0/1
    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 if we can lock the cache and if the cache is clean
if command -v apt-get >/dev/null && ! eval apt-get check $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 controlling 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)

CleanInterval=0
eval $(apt-config shell CleanInterval APT::Periodic::CleanInterval)

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 = always ] ||
   [ $DownloadUpgradeableInterval = always ] ||
   [ $UnattendedUpgradeInterval = always ] ||
   [ $BackupArchiveInterval = always ] ||
   [ $AutocleanInterval = always ] ||
   [ $CleanInterval = always ] ; then
    :
elif [ $UpdateInterval = 0 ] &&
     [ $DownloadUpgradeableInterval = 0 ] &&
     [ $UnattendedUpgradeInterval = 0 ] &&
     [ $BackupArchiveInterval = 0 ] &&
     [ $AutocleanInterval = 0 ] &&
     [ $CleanInterval = 0 ] ; then

# check cache size
    check_size_constraints

exit 0
fi

if [ "$1" = "update" ] || [ -z "$1" ] ; then
    # deal with BackupArchiveInterval
    do_cache_backup $BackupArchiveInterval

# 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)."
	    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

if command -v unattended-upgrade >/dev/null && env LC_ALL=C.UTF-8 unattended-upgrade --help | grep -q download-only && check_stamp $DOWNLOAD_UPGRADEABLE_STAMP $UnattendedUpgradeInterval; then
	if unattended-upgrade --download-only $XUUPOPT; then
	    update_stamp $DOWNLOAD_UPGRADEABLE_STAMP
	    debug_echo "unattended-upgrade -d (success)"
	else
	    debug_echo "unattended-upgrade -d (error)"
	fi
    else
	debug_echo "unattended-upgrade -d (not run)"
    fi
fi

if [ "$1" = "install" ] || [ -z "$1" ] ; then
    # auto upgrade all upgradeable packages
    UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
    if command -v 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

# 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
	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
fi

#
#     vim: set sts=4 ai :
#

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2025-08-05 07:01:42
..	dir	-	0/0	0755	2026-05-26 11:15:50
methods	dir	-	0/0	0755	2025-08-05 07:01:42
planners	dir	-	0/0	0755	2025-08-05 07:14:01
solvers	dir	-	0/0	0755	2025-08-05 07:14:01
apt-helper	application/x-pie-executable	42.63 KB	0/0	0755	2024-10-22 03:02:22
apt.systemd.daily	text/x-shellscript	15.94 KB	0/0	0755	2024-10-22 03:02:22

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