+++ /dev/null
-#!/usr/bin/env python
-
-###########################################################
-# generates partial package updates list
-
-# idea and basic implementation by Anthony, some changes by Andreas
-# parts are stolen from ziyi
-#
-# Copyright (C) 2004-5 Anthony Towns <aj@azure.humbug.org.au>
-# Copyright (C) 2004-5 Andreas Barth <aba@not.so.argh.org>
-
-# 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
-
-
-# < elmo> bah, don't bother me with annoying facts
-# < elmo> I was on a roll
-
-
-################################################################################
-
-import sys, os, tempfile
-import apt_pkg
-import utils
-
-################################################################################
-
-projectB = None;
-Cnf = None;
-Logger = None;
-Options = None;
-
-################################################################################
-
-def usage (exit_code=0):
- print """Usage: tiffani [OPTIONS] [suites]
-Write out ed-style diffs to Packages/Source lists
-
- -h, --help show this help and exit
- -c give the canonical path of the file
- -p name for the patch (defaults to current time)
- -n take no action
- """
- sys.exit(exit_code);
-
-
-def tryunlink(file):
- try:
- os.unlink(file)
- except OSError:
- print "warning: removing of %s denied" % (file)
-
-def smartstat(file):
- for ext in ["", ".gz", ".bz2"]:
- if os.path.isfile(file + ext):
- return (ext, os.stat(file + ext))
- return (None, None)
-
-def smartlink(f, t):
- if os.path.isfile(f):
- os.link(f,t)
- elif os.path.isfile("%s.gz" % (f)):
- os.system("gzip -d < %s.gz > %s" % (f, t))
- elif os.path.isfile("%s.bz2" % (f)):
- os.system("bzip2 -d < %s.bz2 > %s" % (f, t))
- else:
- print "missing: %s" % (f)
- raise IOError, f
-
-def smartopen(file):
- if os.path.isfile(file):
- f = open(file, "r")
- elif os.path.isfile("%s.gz" % file):
- f = create_temp_file(os.popen("zcat %s.gz" % file, "r"))
- elif os.path.isfile("%s.bz2" % file):
- f = create_temp_file(os.popen("bzcat %s.bz2" % file, "r"))
- else:
- f = None
- return f
-
-def pipe_file(f, t):
- f.seek(0)
- while 1:
- l = f.read()
- if not l: break
- t.write(l)
- t.close()
-
-class Updates:
- def __init__(self, readpath = None, max = 14):
- self.can_path = None
- self.history = {}
- self.history_order = []
- self.max = max
- self.readpath = readpath
- self.filesizesha1 = None
-
- if readpath:
- try:
- f = open(readpath + "/Index")
- x = f.readline()
-
- def read_hashs(ind, f, self, x=x):
- while 1:
- x = f.readline()
- if not x or x[0] != " ": break
- l = x.split()
- if not self.history.has_key(l[2]):
- self.history[l[2]] = [None,None]
- self.history_order.append(l[2])
- self.history[l[2]][ind] = (l[0], int(l[1]))
- return x
-
- while x:
- l = x.split()
-
- if len(l) == 0:
- x = f.readline()
- continue
-
- if l[0] == "SHA1-History:":
- x = read_hashs(0,f,self)
- continue
-
- if l[0] == "SHA1-Patches:":
- x = read_hashs(1,f,self)
- continue
-
- if l[0] == "Canonical-Name:" or l[0]=="Canonical-Path:":
- self.can_path = l[1]
-
- if l[0] == "SHA1-Current:" and len(l) == 3:
- self.filesizesha1 = (l[1], int(l[2]))
-
- x = f.readline()
-
- except IOError:
- 0
-
- def dump(self, out=sys.stdout):
- if self.can_path:
- out.write("Canonical-Path: %s\n" % (self.can_path))
-
- if self.filesizesha1:
- out.write("SHA1-Current: %s %7d\n" % (self.filesizesha1))
-
- hs = self.history
- l = self.history_order[:]
-
- cnt = len(l)
- if cnt > self.max:
- for h in l[:cnt-self.max]:
- tryunlink("%s/%s.gz" % (self.readpath, h))
- del hs[h]
- l = l[cnt-self.max:]
- self.history_order = l[:]
-
- out.write("SHA1-History:\n")
- for h in l:
- out.write(" %s %7d %s\n" % (hs[h][0][0], hs[h][0][1], h))
- out.write("SHA1-Patches:\n")
- for h in l:
- out.write(" %s %7d %s\n" % (hs[h][1][0], hs[h][1][1], h))
-
-def create_temp_file(r):
- f = tempfile.TemporaryFile()
- while 1:
- x = r.readline()
- if not x: break
- f.write(x)
- r.close()
- del x,r
- f.flush()
- f.seek(0)
- return f
-
-def sizesha1(f):
- size = os.fstat(f.fileno())[6]
- f.seek(0)
- sha1sum = apt_pkg.sha1sum(f)
- return (sha1sum, size)
-
-def genchanges(Options, outdir, oldfile, origfile, maxdiffs = 14):
- if Options.has_key("NoAct"):
- print "not doing anything"
- return
-
- patchname = Options["PatchName"]
-
- # origfile = /path/to/Packages
- # oldfile = ./Packages
- # newfile = ./Packages.tmp
- # difffile = outdir/patchname
- # index => outdir/Index
-
- # (outdir, oldfile, origfile) = argv
-
- newfile = oldfile + ".new"
- difffile = "%s/%s" % (outdir, patchname)
-
- upd = Updates(outdir, int(maxdiffs))
- (oldext, oldstat) = smartstat(oldfile)
- (origext, origstat) = smartstat(origfile)
- if not origstat:
- print "%s doesn't exist" % (origfile)
- return
- if not oldstat:
- print "initial run"
- os.link(origfile + origext, oldfile + origext)
- return
-
- if oldstat[1:3] == origstat[1:3]:
- print "hardlink unbroken, assuming unchanged"
- return
-
- oldf = smartopen(oldfile)
- oldsizesha1 = sizesha1(oldf)
-
- # should probably early exit if either of these checks fail
- # alternatively (optionally?) could just trim the patch history
-
- if upd.filesizesha1:
- if upd.filesizesha1 != oldsizesha1:
- print "old file seems to have changed! %s %s => %s %s" % (upd.filesizesha1 + oldsizesha1)
-
- # XXX this should be usable now
- #
- #for d in upd.history.keys():
- # df = smartopen("%s/%s" % (outdir,d))
- # act_sha1size = sizesha1(df)
- # df.close()
- # exp_sha1size = upd.history[d][1]
- # if act_sha1size != exp_sha1size:
- # print "patch file %s seems to have changed! %s %s => %s %s" % \
- # (d,) + exp_sha1size + act_sha1size
-
- if Options.has_key("CanonicalPath"): upd.can_path=Options["CanonicalPath"]
-
- if os.path.exists(newfile): os.unlink(newfile)
- smartlink(origfile, newfile)
- newf = open(newfile, "r")
- newsizesha1 = sizesha1(newf)
- newf.close()
-
- if newsizesha1 == oldsizesha1:
- os.unlink(newfile)
- oldf.close()
- print "file unchanged, not generating diff"
- else:
- if not os.path.isdir(outdir): os.mkdir(outdir)
- print "generating diff"
- w = os.popen("diff --ed - %s | gzip -c -9 > %s.gz" %
- (newfile, difffile), "w")
- pipe_file(oldf, w)
- oldf.close()
-
- difff = smartopen(difffile)
- difsizesha1 = sizesha1(difff)
- difff.close()
-
- upd.history[patchname] = (oldsizesha1, difsizesha1)
- upd.history_order.append(patchname)
-
- upd.filesizesha1 = newsizesha1
-
- os.unlink(oldfile + oldext)
- os.link(origfile + origext, oldfile + origext)
- os.unlink(newfile)
-
- f = open(outdir + "/Index", "w")
- upd.dump(f)
- f.close()
-
-
-def main():
- global Cnf, Options, Logger
-
- os.umask(0002);
-
- Cnf = utils.get_conf();
- Arguments = [ ('h', "help", "Tiffani::Options::Help"),
- ('c', None, "Tiffani::Options::CanonicalPath", "hasArg"),
- ('p', "patchname", "Tiffani::Options::PatchName", "hasArg"),
- ('r', "rootdir", "Tiffani::Options::RootDir", "hasArg"),
- ('d', "tmpdir", "Tiffani::Options::TempDir", "hasArg"),
- ('m', "maxdiffs", "Tiffani::Options::MaxDiffs", "hasArg"),
- ('n', "n-act", "Tiffani::Options::NoAct"),
- ];
- suites = apt_pkg.ParseCommandLine(Cnf,Arguments,sys.argv);
- Options = Cnf.SubTree("Tiffani::Options");
- if Options.has_key("Help"): usage();
-
- maxdiffs = Options.get("MaxDiffs::Default", "14")
- maxpackages = Options.get("MaxDiffs::Packages", maxdiffs)
- maxcontents = Options.get("MaxDiffs::Contents", maxdiffs)
- maxsources = Options.get("MaxDiffs::Sources", maxdiffs)
-
- if not Options.has_key("PatchName"):
- format = "%Y-%m-%d-%H%M.%S"
- i,o = os.popen2("date +%s" % (format))
- i.close()
- Options["PatchName"] = o.readline()[:-1]
- o.close()
-
- AptCnf = apt_pkg.newConfiguration()
- apt_pkg.ReadConfigFileISC(AptCnf,utils.which_apt_conf_file())
-
- if Options.has_key("RootDir"): Cnf["Dir::Root"] = Options["RootDir"]
-
- if not suites:
- suites = Cnf.SubTree("Suite").List()
-
- for suite in suites:
- if suite == "Experimental": continue
-
- print "Processing: " + suite
- SuiteBlock = Cnf.SubTree("Suite::" + suite)
-
- if SuiteBlock.has_key("Untouchable"):
- print "Skipping: " + suite + " (untouchable)"
- continue
-
- suite = suite.lower()
-
- architectures = SuiteBlock.ValueList("Architectures")
-
- if SuiteBlock.has_key("Components"):
- components = SuiteBlock.ValueList("Components")
- else:
- components = []
-
- suite_suffix = Cnf.Find("Dinstall::SuiteSuffix");
- if components and suite_suffix:
- longsuite = suite + "/" + suite_suffix;
- else:
- longsuite = suite;
-
- tree = SuiteBlock.get("Tree", "dists/%s" % (longsuite))
-
- if AptCnf.has_key("tree::%s" % (tree)):
- sections = AptCnf["tree::%s::Sections" % (tree)].split()
- elif AptCnf.has_key("bindirectory::%s" % (tree)):
- sections = AptCnf["bindirectory::%s::Sections" % (tree)].split()
- else:
- aptcnf_filename = os.path.basename(utils.which_apt_conf_file());
- print "ALERT: suite %s not in %s, nor untouchable!" % (suite, aptcnf_filename);
- continue
-
- for architecture in architectures:
- if architecture == "all":
- continue
-
- if architecture != "source":
- # Process Contents
- file = "%s/Contents-%s" % (Cnf["Dir::Root"] + tree,
- architecture)
- storename = "%s/%s_contents_%s" % (Options["TempDir"], suite, architecture)
- print "running contents for %s %s : " % (suite, architecture),
- genchanges(Options, file + ".diff", storename, file, \
- Cnf.get("Suite::%s::Tiffani::MaxDiffs::Contents" % (suite), maxcontents))
-
- # use sections instead of components since katie.conf
- # treats "foo/bar main" as suite "foo", suitesuffix "bar" and
- # component "bar/main". suck.
-
- for component in sections:
- if architecture == "source":
- longarch = architecture
- packages = "Sources"
- maxsuite = maxsources
- else:
- longarch = "binary-%s"% (architecture)
- packages = "Packages"
- maxsuite = maxpackages
-
- file = "%s/%s/%s/%s" % (Cnf["Dir::Root"] + tree,
- component, longarch, packages)
- storename = "%s/%s_%s_%s" % (Options["TempDir"], suite, component, architecture)
- print "running for %s %s %s : " % (suite, component, architecture),
- genchanges(Options, file + ".diff", storename, file, \
- Cnf.get("Suite::%s::Tiffani::MaxDiffs::%s" % (suite, packages), maxsuite))
-
-################################################################################
-
-if __name__ == '__main__':
- main()
projects / dak.git / blobdiff