diff options
| -rw-r--r-- | abs/core/LinHES-system/PKGBUILD | 13 | ||||
| -rwxr-xr-x | abs/core/LinHES-system/cacheclean | 134 | ||||
| -rw-r--r-- | abs/core/LinHES-system/cacheclean.cron | 2 |
3 files changed, 144 insertions, 5 deletions
diff --git a/abs/core/LinHES-system/PKGBUILD b/abs/core/LinHES-system/PKGBUILD index f8baeaf..94f592d 100644 --- a/abs/core/LinHES-system/PKGBUILD +++ b/abs/core/LinHES-system/PKGBUILD @@ -1,6 +1,6 @@ pkgname=LinHES-system pkgver=2 -pkgrel=41 +pkgrel=42 arch=('i686') MVDIR=$startdir/pkg/usr/LH BINDIR=$startdir/pkg/usr/bin @@ -20,11 +20,11 @@ binfiles="LinHES-start optimize_mythdb.py lh_system_host_update lh_system_all_host_update add_storage.py - diskspace.sh" + diskspace.sh + cacheclean" source=(LinHES-session LinHES-profile.sh $binfiles alsa-base myth_mtc.lr - diskspace smolt.cron) - + diskspace smolt.cron cacheclean.cron) build() { cd $startdir/src install -m755 -D LinHES-session $startdir/pkg/etc/X11/Sessions/LinHES @@ -47,6 +47,7 @@ build() { install -m644 -D $startdir/src/alsa-base $startdir/pkg/etc/modprobe.d/alsa-base.conf install -m755 -D $startdir/src/smolt.cron $startdir/pkg/etc/cron.weekly/smolt.cron + install -m755 -D $startdir/src/cacheclean.cron $startdir/pkg/etc/cron.weekly/cacheclean.cron install -m755 -D $startdir/src/diskspace $startdir/pkg/etc/cron.tenminutes/diskspace mkdir $startdir/pkg/etc/logrotate.d cp $startdir/myth_mtc.lr $startdir/pkg/etc/logrotate.d @@ -74,7 +75,9 @@ md5sums=('d6a564f3286590875874573107940908' '47e093e8cfe4b5b96602358e1f540832' '6faeba0aeb38e772121f751cabda8683' '68e3e87571f3b0fa4a48a10df50dc220' + '9603b0ca6e090eff31e76482a3c335e7' 'eb879fee9603a05d5420d4ce8ed9e450' 'f1870a9522c79e6b248fcbf81dec3280' '84492954db16740f949d795b74383189' - 'abe887472a170bd1a8e6da6a7b7e93e4') + 'abe887472a170bd1a8e6da6a7b7e93e4' + '02c810c2f47b7c4495fdacaf54189473') diff --git a/abs/core/LinHES-system/cacheclean b/abs/core/LinHES-system/cacheclean new file mode 100755 index 0000000..d32d16b --- /dev/null +++ b/abs/core/LinHES-system/cacheclean @@ -0,0 +1,134 @@ +#!/usr/bin/env python +"""cacheclean - a simple python script to clean up the /data/var/cache/pacman/pkg directory. +More versatile than 'pacman -Sc' in that you can select how many old versions +to keep. +Usage: cacheclean {-p} {-v} <# of copies to keep> + # of copies to keep - (required) how many generations of each package to keep + -p - (optional) preview what would be deleted; forces verbose (-v) mode. + -v - (optional) show deleted packages. + +Adapted from https://github.com/graysky2/cacheclean for LinHES pacman cache directories +and python 2.6.""" + +# Note that the determination of package age is done by simply looking at the date-time +# modified stamp on the file. There is just enough variation in the way package version +# is done that I thought this would be simpler & just as good. +# Also note that you must be root to run this script. + +import getopt +import os +import re +import sys + +# helper function to get tuple of (file dtm, file name, file sz) +def fn_stats(fn): + s = os.stat(fn) + return (s[8], fn, s[6]) + +# cleanup does the actual pkg file deletion +def cleanup(run_list): + # strictly speaking only the first two of these globals need to be listed. + global n_deleted, bytes_deleted, opt_verbose, opt_preview, n_to_keep + # return if the run_list is too short + #print run_list + #return + if len(run_list) <= n_to_keep: return + # Build list of tuples (date-time file modified, file name, file size) + dtm_list = [fn_stats(tfn) for tfn in run_list] + # Sort the list by date-time + dtm_list.sort() + # Build list of the filenames to delete (all but last n_to_keep). + # <showing_off> + #kill_list = [tfn[1] for tfn in dtm_list[:-n_to_keep]] + #bytes_deleted = sum(x[2] for x in dtm_list[:-n_to_keep]) + # </showing_off> + kill_list = [] + for x in dtm_list[:-n_to_keep]: + if os.path.isfile(x[1]): + kill_list.append(x[1]) + bytes_deleted += x[2] + if opt_verbose and kill_list: print (kill_list) + n_deleted += len(kill_list) + # and finally delete (if not in preview mode) + if not opt_preview: + for dfn in kill_list: + os.unlink(dfn) + +###################################################################### +# mainline processing + +# process command line options +try: + opts, pargs = getopt.getopt(sys.argv[1:], 'vp') + opt_dict = dict(opts) + opt_preview = '-p' in opt_dict + opt_verbose = '-v' in opt_dict + if opt_preview: opt_verbose = True + if len(pargs) == 1: + n_to_keep = pargs[0] + else: + raise getopt.GetoptError("missing required argument.") + try: + n_to_keep = int(n_to_keep) + if n_to_keep <= 0: raise ValueError + except ValueError as e: + raise getopt.GetoptError("# of copies to keep must be numeric > 0!") +except getopt.GetoptError as msg: + print ("Error:",msg,"\n",__doc__) + sys.exit(1) + +# change to the pkg directory & get a sorted list of its contents +os.chdir('/data/var/cache/pacman/pkg') +pkg_fns = os.listdir('.') +pkg_fns.sort() + +# Pattern to use to extract the package name from the tar file name: +# for pkg e.g. 'gnome-common-2.8.0-1-i686.pkg.tar.gz' group(1) is 'gnome-common'. + +bpat = re.compile(""" +^([^-/][^/]*?)- # (1) package name +[^-/\s]+- # (2) version +[^-/\s]+ # (3) release +(-i686|-x86_64|-any)? # (4) architecture +\.pkg\.tar # (5) extension +(?:\.(?:gz|bz2|xz|Z))? # (6) compresssion extension +(?:\.aria2|.sig)? # (7) other extension +(?:\.part)?$ # (8) partially-downloaded files' extension +""", re.X) + +n_deleted = 0 +bytes_deleted = 0 +pkg_base_nm = '' +# now look for "runs" of the same package name differing only in version info. +for run_end in range(len(pkg_fns)): + fn = pkg_fns[run_end] + + # make sure we skip directories + if os.path.isfile(fn): + mo = bpat.match(fn) # test for a match of the package name pattern + if mo: + # print ("Processing file '" + fn + "' " + str(mo.lastindex), file=sys.stdout) + tbase = mo.group(1) # gets the 'base' package name + # include the architecture in the name if it's present + if mo.group(2) is not None: + tbase += mo.group(2) + # print ('tbase: ' + tbase + ' ' + str(mo.lastindex), file=sys.stdout) + # is it a new base name, i.e. the start of a new run? + if tbase != pkg_base_nm: # if so then process the prior run + if pkg_base_nm != '': + cleanup(pkg_fns[run_start:run_end]) + pkg_base_nm = tbase # & setup for the new run + run_start = run_end + else: + print >>sys.stderr, "File '"+fn+"' doesn't match package pattern!" + else: + print >>sys.stdout, "skipping directory '"+fn+"'!" + +# catch the final run of the list +run_end += 1 +cleanup(pkg_fns[run_start:run_end]) + +if opt_verbose: + if opt_preview: + print ("Preview mode (no files deleted):"), + print n_deleted,"files deleted,",bytes_deleted/(2**10),"kbytes /",bytes_deleted/(2**20),"MBytes /",bytes_deleted/(2**30), "GBytes." diff --git a/abs/core/LinHES-system/cacheclean.cron b/abs/core/LinHES-system/cacheclean.cron new file mode 100644 index 0000000..b47a3ef --- /dev/null +++ b/abs/core/LinHES-system/cacheclean.cron @@ -0,0 +1,2 @@ +#!/bin/bash +/usr/LH/bin/cacheclean 3 |