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
130 if not self.history.has_key(l[2]):
131 self.history[l[2]] = [None,None]
132 self.history_order.append(l[2])
133 self.history[l[2]][ind] = (l[0], int(l[1]))
143 if l[0] == "SHA1-History:":
144 x = read_hashs(0,f,self)
147 if l[0] == "SHA1-Patches:":
148 x = read_hashs(1,f,self)
151 if l[0] == "Canonical-Name:" or l[0]=="Canonical-Path:":
154 if l[0] == "SHA1-Current:" and len(l) == 3:
155 self.filesizesha1 = (l[1], int(l[2]))
162 def dump(self, out=sys.stdout):
164 out.write("Canonical-Path: %s\n" % (self.can_path))
166 if self.filesizesha1:
167 out.write("SHA1-Current: %s %7d\n" % (self.filesizesha1))
170 l = self.history_order[:]
174 for h in l[:cnt-self.max]:
175 tryunlink("%s/%s.gz" % (self.readpath, h))
178 self.history_order = l[:]
180 out.write("SHA1-History:\n")
182 out.write(" %s %7d %s\n" % (hs[h][0][0], hs[h][0][1], h))
183 out.write("SHA1-Patches:\n")
185 out.write(" %s %7d %s\n" % (hs[h][1][0], hs[h][1][1], h))
187 def create_temp_file(r):
188 f = tempfile.TemporaryFile()
200 size = os.fstat(f.fileno())[6]
202 sha1sum = apt_pkg.sha1sum(f)
203 return (sha1sum, size)
205 def genchanges(Options, outdir, oldfile, origfile, maxdiffs = 56):
206 if Options.has_key("NoAct"):
207 print "Not acting on: od: %s, oldf: %s, origf: %s, md: %s" % (outdir, oldfile, origfile, maxdiffs)
210 patchname = Options["PatchName"]
212 # origfile = /path/to/Packages
213 # oldfile = ./Packages
214 # newfile = ./Packages.tmp
215 # difffile = outdir/patchname
216 # index => outdir/Index
218 # (outdir, oldfile, origfile) = argv
220 newfile = oldfile + ".new"
221 difffile = "%s/%s" % (outdir, patchname)
223 upd = Updates(outdir, int(maxdiffs))
224 (oldext, oldstat) = smartstat(oldfile)
225 (origext, origstat) = smartstat(origfile)
227 print "%s: doesn't exist" % (origfile)
230 print "%s: initial run" % (origfile)
231 os.link(origfile + origext, oldfile + origext)
234 if oldstat[1:3] == origstat[1:3]:
235 #print "%s: hardlink unbroken, assuming unchanged" % (origfile)
238 oldf = smartopen(oldfile)
239 oldsizesha1 = sizesha1(oldf)
241 # should probably early exit if either of these checks fail
242 # alternatively (optionally?) could just trim the patch history
244 #if upd.filesizesha1:
245 # if upd.filesizesha1 != oldsizesha1:
246 # print "info: old file " + oldfile + " changed! %s %s => %s %s" % (upd.filesizesha1 + oldsizesha1)
248 if Options.has_key("CanonicalPath"): upd.can_path=Options["CanonicalPath"]
250 if os.path.exists(newfile): os.unlink(newfile)
251 smartlink(origfile, newfile)
252 newf = open(newfile, "r")
253 newsizesha1 = sizesha1(newf)
256 if newsizesha1 == oldsizesha1:
259 #print "%s: unchanged" % (origfile)
261 if not os.path.isdir(outdir):
264 w = os.popen("diff --ed - %s | gzip --rsyncable -c -9 > %s.gz" %
265 (newfile, difffile), "w")
269 difff = smartopen(difffile)
270 difsizesha1 = sizesha1(difff)
273 upd.history[patchname] = (oldsizesha1, difsizesha1)
274 upd.history_order.append(patchname)
276 upd.filesizesha1 = newsizesha1
278 os.unlink(oldfile + oldext)
279 os.link(origfile + origext, oldfile + origext)
282 f = open(outdir + "/Index", "w")
288 global Cnf, Options, Logger
292 Cnf = utils.get_conf()
293 Arguments = [ ('h', "help", "Generate-Index-Diffs::Options::Help"),
294 ('a', 'archive', 'Generate-Index-Diffs::Options::Archive', 'hasArg'),
295 ('c', None, "Generate-Index-Diffs::Options::CanonicalPath", "hasArg"),
296 ('p', "patchname", "Generate-Index-Diffs::Options::PatchName", "hasArg"),
297 ('d', "tmpdir", "Generate-Index-Diffs::Options::TempDir", "hasArg"),
298 ('m', "maxdiffs", "Generate-Index-Diffs::Options::MaxDiffs", "hasArg"),
299 ('n', "n-act", "Generate-Index-Diffs::Options::NoAct"),
301 suites = apt_pkg.parse_commandline(Cnf,Arguments,sys.argv)
302 Options = Cnf.subtree("Generate-Index-Diffs::Options")
303 if Options.has_key("Help"): usage()
305 maxdiffs = Options.get("MaxDiffs::Default", "56")
306 maxpackages = Options.get("MaxDiffs::Packages", maxdiffs)
307 maxcontents = Options.get("MaxDiffs::Contents", maxdiffs)
308 maxsources = Options.get("MaxDiffs::Sources", maxdiffs)
310 if not Options.has_key("PatchName"):
311 format = "%Y-%m-%d-%H%M.%S"
312 Options["PatchName"] = time.strftime( format )
314 session = DBConn().session()
317 query = session.query(Suite.suite_name)
318 if Options.get('Archive'):
319 query = query.join(Suite.archive).filter(Archive.archive_name == Options['Archive'])
320 suites = [ s.suite_name for s in query ]
322 for suitename in suites:
323 print "Processing: " + suitename
325 suiteobj = get_suite(suitename.lower(), session=session)
327 # Use the canonical version of the suite name
328 suite = suiteobj.suite_name
330 if suiteobj.untouchable:
331 print "Skipping: " + suite + " (untouchable)"
334 architectures = get_suite_architectures(suite, skipall=True, session=session)
335 components = [ c.component_name for c in session.query(Component.component_name) ]
337 suite_suffix = Cnf.find("Dinstall::SuiteSuffix")
338 if components and suite_suffix:
339 longsuite = suite + "/" + suite_suffix
343 tree = os.path.join(suiteobj.archive.path, 'dists', longsuite)
345 # See if there are Translations which might need a new pdiff
347 for component in components:
348 #print "DEBUG: Working on %s" % (component)
349 workpath=os.path.join(tree, component, "i18n")
350 if os.path.isdir(workpath):
352 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
353 for entry in filenames:
354 if not re_includeinpdiff.match(entry):
355 #print "EXCLUDING %s" % (entry)
357 (fname, fext) = os.path.splitext(entry)
358 processfile=os.path.join(workpath, fname)
359 #print "Working: %s" % (processfile)
360 storename="%s/%s_%s_%s" % (Options["TempDir"], suite, component, fname)
361 #print "Storefile: %s" % (storename)
362 genchanges(Options, processfile + ".diff", storename, processfile, maxdiffs)
365 for archobj in architectures:
366 architecture = archobj.arch_string
368 for component in components:
369 if architecture == "source":
370 longarch = architecture
372 maxsuite = maxsources
374 longarch = "binary-%s"% (architecture)
375 packages = "Packages"
376 maxsuite = maxpackages
378 file = "%s/%s/Contents-%s" % (tree, component, architecture)
379 storename = "%s/%s_%s_contents_%s" % (Options["TempDir"], suite, component, architecture)
380 genchanges(Options, file + ".diff", storename, file, maxcontents)
382 file = "%s/%s/%s/%s" % (tree, component, longarch, packages)
383 storename = "%s/%s_%s_%s" % (Options["TempDir"], suite, component, architecture)
384 genchanges(Options, file + ".diff", storename, file, maxsuite)
386 ################################################################################
388 if __name__ == '__main__':