11 if [ $interval -eq 0 ]; then
15 if [ ! -f $stamp ]; then
19 # compare midnight today to midnight the day the stamp was updated
20 stamp
=$
(date --date=$
(date -r $stamp --iso-8601) +%s
)
21 now
=$
(date --date=$
(date --iso-8601) +%s
)
22 delta
=$
(($now-$stamp))
24 if [ $delta -ge $interval ]; then
40 # we check here if autoclean was enough sizewise
41 check_size_constraints
()
46 CacheDir
="var/cache/apt"
47 CacheArchive
="archives/"
48 eval $
(apt-config shell MaxAge APT
::Archives
::MaxAge
)
49 eval $
(apt-config shell MaxSize APT
::Archives
::MaxSize
)
50 eval $
(apt-config shell Dir Dir
)
51 eval $
(apt-config shell CacheDir Dir
::Cache
)
52 eval $
(apt-config shell CacheArchive Dir
::Cache
::archives
)
55 if [ -z "$CacheDir" -o -z "$CacheArchive" ]; then
56 echo "empty Dir::Cache or Dir::Cache::archives, exiting"
60 Cache
="${Dir%/}/${CacheDir%/}/${CacheArchive%/}/"
63 if [ ! $MaxAge -eq 0 ]; then
64 find $Cache -name "*.deb" -mtime +$MaxAge -print0 |
xargs -r -0 rm -f
68 if [ ! $MaxSize -eq 0 ]; then
69 # reverse-sort by mtime
70 for file in $
(ls -rt $Cache/*.deb
); do
73 # check if the cache is small enough
74 if [ $size -lt $MaxSize ]; then
85 DownloadUpgradeableInterval
=0
86 eval $
(apt-config shell UpdateInterval APT
::Periodic
::Update-Package-Lists DownloadUpgradeableInterval APT
::Periodic
::Download-Upgradeable-Packages
)
87 AutocleanInterval
=$DownloadUpgradeableInterval
88 eval $
(apt-config shell AutocleanInterval APT
::Periodic
::Autoclean
)
90 # laptop check, on_ac_power returns:
91 # 0 (true) System is on mains power
92 # 1 (false) System is not on mains power
93 # 255 (false) Power status could not be determined
94 # Desktop systems always return 255 it seems
95 if which on_ac_power
>/dev
/null
; then
102 UPDATE_STAMP
=/var
/lib
/apt
/periodic
/update-stamp
103 if check_stamp
$UPDATE_STAMP $UpdateInterval; then
104 if apt-get
-qq update
2>/dev
/null
; then
105 if which dbus-send
>/dev
/null
; then
106 dbus-send
--system / app.apt.dbus.updated boolean
:true
108 update_stamp
$UPDATE_STAMP
112 DOWNLOAD_UPGRADEABLE_STAMP
=/var
/lib
/apt
/periodic
/download-upgradeable-stamp
113 if check_stamp
$DOWNLOAD_UPGRADEABLE_STAMP $DownloadUpgradeableInterval; then
114 apt-get
-qq -d dist-upgrade
2>/dev
/null
115 update_stamp
$DOWNLOAD_UPGRADEABLE_STAMP
118 AUTOCLEAN_STAMP
=/var
/lib
/apt
/periodic
/autoclean-stamp
119 if check_stamp
$AUTOCLEAN_STAMP $AutocleanInterval; then
120 apt-get
-qq autoclean
121 update_stamp
$AUTOCLEAN_STAMP
125 check_size_constraints