3 """ generates partial package updates list"""
5 ###########################################################
7 # idea and basic implementation by Anthony, some changes by Andreas
8 # parts are stolen from 'dak generate-releases'
10 # Copyright (C) 2004, 2005, 2006 Anthony Towns <aj@azure.humbug.org.au>
11 # Copyright (C) 2004, 2005 Andreas Barth <aba@not.so.argh.org>
13 # This program is free software; you can redistribute it and/or modify
14 # it under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2 of the License, or
16 # (at your option) any later version.
18 # This program is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 # GNU General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with this program; if not, write to the Free Software
25 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 # < elmo> bah, don't bother me with annoying facts
29 # < elmo> I was on a roll
32 ################################################################################
41 from daklib import utils
42 from daklib.dbconn import Archive, Component, DBConn, Suite, get_suite, get_suite_architectures
43 #from daklib.regexes import re_includeinpdiff
45 re_includeinpdiff = re.compile(r"(Translation-[a-zA-Z_]+\.(?:bz2|xz))")
47 ################################################################################
53 ################################################################################
55 def usage (exit_code=0):
56 print """Usage: dak generate-index-diffs [OPTIONS] [suites]
57 Write out ed-style diffs to Packages/Source lists
59 -h, --help show this help and exit
60 -a <archive> generate diffs for suites in <archive>
61 -c give the canonical path of the file
62 -p name for the patch (defaults to current time)
63 -d name for the hardlink farm for status
64 -m how many diffs to generate
73 print "warning: removing of %s denied" % (file)
76 for ext in ["", ".gz", ".bz2"]:
77 if os.path.isfile(file + ext):
78 return (ext, os.stat(file + ext))
84 elif os.path.isfile("%s.gz" % (f)):
85 os.system("gzip -d < %s.gz > %s" % (f, t))
86 elif os.path.isfile("%s.bz2" % (f)):
87 os.system("bzip2 -d < %s.bz2 > %s" % (f, t))
89 print "missing: %s" % (f)
93 if os.path.isfile(file):
95 elif os.path.isfile("%s.gz" % file):
96 f = create_temp_file(os.popen("zcat %s.gz" % file, "r"))
97 elif os.path.isfile("%s.bz2" % file):
98 f = create_temp_file(os.popen("bzcat %s.bz2" % file, "r"))
112 def __init__(self, readpath = None, max = 56):
115 self.history_order = []
117 self.readpath = readpath
118 self.filesizesha1 = None
122 f = open(readpath + "/Index")
125 def read_hashs(ind, f, self, x=x):
128 if not x or x[0] != " ": break
131 if fname.endswith('.gz'):
133 if not self.history.has_key(fname):
134 self.history[fname] = [None,None,None]
135 self.history_order.append(fname)
136 self.history[fname][ind] = (l[0], int(l[1]))
146 if l[0] == "SHA1-History:":
147 x = read_hashs(0,f,self)
150 if l[0] == "SHA1-Patches:":
151 x = read_hashs(1,f,self)
154 if l[0] == "SHA1-Download:":
155 x = read_hashs(2,f,self)
158 if l[0] == "Canonical-Name:" or l[0]=="Canonical-Path:":
161 if l[0] == "SHA1-Current:" and len(l) == 3:
162 self.filesizesha1 = (l[1], int(l[2]))
169 def dump(self, out=sys.stdout):
171 out.write("Canonical-Path: %s\n" % (self.can_path))
173 if self.filesizesha1:
174 out.write("SHA1-Current: %s %7d\n" % (self.filesizesha1))
177 l = self.history_order[:]
181 for h in l[:cnt-self.max]:
182 tryunlink("%s/%s.gz" % (self.readpath, h))
185 self.history_order = l[:]
187 out.write("SHA1-History:\n")
189 out.write(" %s %7d %s\n" % (hs[h][0][0], hs[h][0][1], h))
190 out.write("SHA1-Patches:\n")
192 out.write(" %s %7d %s\n" % (hs[h][1][0], hs[h][1][1], h))
193 out.write("SHA1-Download:\n")
196 out.write(" %s %7d %s.gz\n" % (hs[h][2][0], hs[h][2][1], h))
198 def create_temp_file(r):
199 f = tempfile.TemporaryFile()
211 size = os.fstat(f.fileno())[6]
213 sha1sum = apt_pkg.sha1sum(f)
214 return (sha1sum, size)
216 def genchanges(Options, outdir, oldfile, origfile, maxdiffs = 56):
217 if Options.has_key("NoAct"):
218 print "Not acting on: od: %s, oldf: %s, origf: %s, md: %s" % (outdir, oldfile, origfile, maxdiffs)
221 patchname = Options["PatchName"]
223 # origfile = /path/to/Packages
224 # oldfile = ./Packages
225 # newfile = ./Packages.tmp
226 # difffile = outdir/patchname
227 # index => outdir/Index
229 # (outdir, oldfile, origfile) = argv
231 newfile = oldfile + ".new"
232 difffile = "%s/%s" % (outdir, patchname)
234 upd = Updates(outdir, int(maxdiffs))
235 (oldext, oldstat) = smartstat(oldfile)
236 (origext, origstat) = smartstat(origfile)
238 print "%s: doesn't exist" % (origfile)
241 print "%s: initial run" % (origfile)
242 os.link(origfile + origext, oldfile + origext)
245 if oldstat[1:3] == origstat[1:3]:
246 #print "%s: hardlink unbroken, assuming unchanged" % (origfile)
249 oldf = smartopen(oldfile)
250 oldsizesha1 = sizesha1(oldf)
252 # should probably early exit if either of these checks fail
253 # alternatively (optionally?) could just trim the patch history
255 #if upd.filesizesha1:
256 # if upd.filesizesha1 != oldsizesha1:
257 # print "info: old file " + oldfile + " changed! %s %s => %s %s" % (upd.filesizesha1 + oldsizesha1)
259 if Options.has_key("CanonicalPath"): upd.can_path=Options["CanonicalPath"]
261 if os.path.exists(newfile): os.unlink(newfile)
262 smartlink(origfile, newfile)
263 newf = open(newfile, "r")
264 newsizesha1 = sizesha1(newf)
267 if newsizesha1 == oldsizesha1:
270 #print "%s: unchanged" % (origfile)
272 if not os.path.isdir(outdir):
275 w = os.popen("diff --ed - %s | gzip --rsyncable -c -9 > %s.gz" %
276 (newfile, difffile), "w")
280 difff = smartopen(difffile)
281 difsizesha1 = sizesha1(difff)
284 difffgz = open(difffile + ".gz", "r")
285 difgzsizesha1 = sizesha1(difffgz)
288 upd.history[patchname] = (oldsizesha1, difsizesha1, difgzsizesha1)
289 upd.history_order.append(patchname)
291 upd.filesizesha1 = newsizesha1
293 os.unlink(oldfile + oldext)
294 os.link(origfile + origext, oldfile + origext)
297 f = open(outdir + "/Index", "w")
303 global Cnf, Options, Logger
307 Cnf = utils.get_conf()
308 Arguments = [ ('h', "help", "Generate-Index-Diffs::Options::Help"),
309 ('a', 'archive', 'Generate-Index-Diffs::Options::Archive', 'hasArg'),
310 ('c', None, "Generate-Index-Diffs::Options::CanonicalPath", "hasArg"),
311 ('p', "patchname", "Generate-Index-Diffs::Options::PatchName", "hasArg"),
312 ('d', "tmpdir", "Generate-Index-Diffs::Options::TempDir", "hasArg"),
313 ('m', "maxdiffs", "Generate-Index-Diffs::Options::MaxDiffs", "hasArg"),
314 ('n', "n-act", "Generate-Index-Diffs::Options::NoAct"),
316 suites = apt_pkg.parse_commandline(Cnf,Arguments,sys.argv)
317 Options = Cnf.subtree("Generate-Index-Diffs::Options")
318 if Options.has_key("Help"): usage()
320 maxdiffs = Options.get("MaxDiffs::Default", "56")
321 maxpackages = Options.get("MaxDiffs::Packages", maxdiffs)
322 maxcontents = Options.get("MaxDiffs::Contents", maxdiffs)
323 maxsources = Options.get("MaxDiffs::Sources", maxdiffs)
325 if not Options.has_key("PatchName"):
326 format = "%Y-%m-%d-%H%M.%S"
327 Options["PatchName"] = time.strftime( format )
329 session = DBConn().session()
332 query = session.query(Suite.suite_name)
333 if Options.get('Archive'):
334 query = query.join(Suite.archive).filter(Archive.archive_name == Options['Archive'])
335 suites = [ s.suite_name for s in query ]
337 for suitename in suites:
338 print "Processing: " + suitename
340 suiteobj = get_suite(suitename.lower(), session=session)
342 # Use the canonical version of the suite name
343 suite = suiteobj.suite_name
345 if suiteobj.untouchable:
346 print "Skipping: " + suite + " (untouchable)"
349 architectures = get_suite_architectures(suite, skipall=True, session=session)
350 components = [ c.component_name for c in session.query(Component.component_name) ]
352 suite_suffix = Cnf.find("Dinstall::SuiteSuffix")
353 if components and suite_suffix:
354 longsuite = suite + "/" + suite_suffix
358 tree = os.path.join(suiteobj.archive.path, 'dists', longsuite)
360 # See if there are Translations which might need a new pdiff
362 for component in components:
363 #print "DEBUG: Working on %s" % (component)
364 workpath=os.path.join(tree, component, "i18n")
365 if os.path.isdir(workpath):
367 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
368 for entry in filenames:
369 if not re_includeinpdiff.match(entry):
370 #print "EXCLUDING %s" % (entry)
372 (fname, fext) = os.path.splitext(entry)
373 processfile=os.path.join(workpath, fname)
374 #print "Working: %s" % (processfile)
375 storename="%s/%s_%s_%s" % (Options["TempDir"], suite, component, fname)
376 #print "Storefile: %s" % (storename)
377 genchanges(Options, processfile + ".diff", storename, processfile, maxdiffs)
380 for archobj in architectures:
381 architecture = archobj.arch_string
383 for component in components:
384 if architecture == "source":
385 longarch = architecture
387 maxsuite = maxsources
389 longarch = "binary-%s"% (architecture)
390 packages = "Packages"
391 maxsuite = maxpackages
393 file = "%s/%s/Contents-%s" % (tree, component, architecture)
394 storename = "%s/%s_%s_contents_%s" % (Options["TempDir"], suite, component, architecture)
395 genchanges(Options, file + ".diff", storename, file, maxcontents)
397 file = "%s/%s/%s/%s" % (tree, component, longarch, packages)
398 storename = "%s/%s_%s_%s" % (Options["TempDir"], suite, component, architecture)
399 genchanges(Options, file + ".diff", storename, file, maxsuite)
401 ################################################################################
403 if __name__ == '__main__':