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#!/usr/bin/python -t
# -*- mode: Python; indent-tabs-mode: nil; -*-
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import errno, os, sys
import fnmatch, re
import rpmUtils.transaction, rpmUtils.miscutils
import commands
#### import Utils
DEBUG = False
#### Utils.setdebug(DEBUG)
SUFFIX='drpm'
def genDeltaRPM(ts, newrpm, oldrpm):
(f1,n1,e1,v1,r1) = newrpm
(f2,n2,e2,v2,r2) = oldrpm
hdr = rpmUtils.miscutils.hdrFromPackage(ts,f1)
arch = hdr['arch']
print 'Generating delta rpm for %s' % n1
v12 = "_".join([v1,v2])
r12 = "_".join([r1,r2])
deltaRPMName= '%s.%s.%s' % ("-".join([n1,v12,r12]), arch, SUFFIX)
deltaCommand = 'makedeltarpm %s %s %s' % (f2, f1, deltaRPMName)
if DEBUG:
print "DEBUG " + deltaCommand
(code, out) = commands.getstatusoutput(deltaCommand)
if code:
raise Exception("genDeltaRPM: exitcode was %s - Reported Error: %s" % (code, out))
def pruneRepo(keep,whitelist,srcdir):
ts = rpmUtils.transaction.initReadOnlyTransaction()
changed = False
# Create list of .rpm files.
# We don't use "glob", so sub-directories are supported.
print 'Expiring (keep=%d):' % keep, srcdir
srcfiles = []
for root, dirs, files in os.walk(srcdir):
for f in fnmatch.filter(files,'*.rpm'):
srcfiles.append(os.path.join(root,f))
if not len(srcfiles):
print ' Nothing found.'
return changed
assert srcfiles[0].startswith(srcdir)
# Create map: rpm %name -> list of tuples (filename,name,e,v,r)
newestsrcrpms = {}
for f in srcfiles:
hdr = rpmUtils.miscutils.hdrFromPackage(ts,f)
n = hdr['name']
v = hdr['version']
r = hdr['release']
e = hdr['epoch']
if e is None:
e = 0
newestsrcrpms.setdefault(n,[])
newestsrcrpms[n].append((f,n,e,v,r))
# Now purge old src.rpm unless their %name matches a white-list pattern.
for l in newestsrcrpms.values():
x = len(l)
if x > 1:
# White-listing.
(f,n,e,v,r) = l[0]
keepthis = False
for r in whitelist:
if re.compile(r).search(n):
keepthis = True
break
if keepthis:
print ' Skipping',n
continue
def sortByEVR(fnevr1, fnevr2):
(f1,n1,e1,v1,r1) = fnevr1
(f2,n2,e2,v2,r2) = fnevr2
rc = rpmUtils.miscutils.compareEVR((e1,v1,r1),(e2,v2,r2))
if rc == 0:
return 0
if rc > 0:
return -1
if rc < 0:
return 1
l.sort(sortByEVR) # highest first in list
# Generate delta rpm
genDeltaRPM(ts, l[0],l[1])
oldies = []
if len(l) > abs(keep):
oldies = l[keep:]
for (f,n,e,v,r) in oldies:
print ' Removing', os.path.basename(f)
srcfiles.remove(f)
if not DEBUG:
os.remove(f)
print "not removing\n"
changed = True
if not len(srcfiles):
print 'WARNING: No .rpms left. Stopping here.'
return changed
# Examine binary repository directories and remove everything which
# is missing its corresponding src.rpm.
return changed
def main(bin_rpm_path):
assert rpmUtils.miscutils.compareEVR((1,2,3),(1,2,0)) > 0
assert rpmUtils.miscutils.compareEVR((0,1,2),(0,1,2)) == 0
assert rpmUtils.miscutils.compareEVR((1,2,3),(4,0,99)) < 0
#### keep = (dist == 'development') and 1 or 2
keep = 2
#### whitelist = cfg.repoprune_keepdict[dist]
whitelist = ""
return pruneRepo(keep,whitelist,bin_rpm_path)
if __name__ == '__main__':
if len(sys.argv) < 2:
print 'Usage: %s <bin_rpm_dir> \n' % os.path.basename(sys.argv[0])
sys.exit(errno.EINVAL)
bin_rpm_path = sys.argv[1]
#### cfg = Utils.load_config_module(sys.argv[1])
#### Utils.signer_gid_check(cfg.signersgid)
#### os.umask(cfg.signersumask)
#### for dist in sys.argv[2:]:
#### if not cfg.archdict.has_key(dist):
#### print "No distribution release named '%s' found" % dist
#### sys.exit(errno.EINVAL)
main(bin_rpm_path)
sys.exit(0)
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