+ relname = os.path.join(dirname, 'Release')
+
+ dest = os.path.join(dirname, 'Release.gpg')
+ if os.path.exists(dest):
+ os.unlink(dest)
+
+ inlinedest = os.path.join(dirname, 'InRelease')
+ if os.path.exists(inlinedest):
+ os.unlink(inlinedest)
+
+ defkeyid=""
+ for keyid in suite.signingkeys or []:
+ defkeyid += "--local-user %s " % keyid
+
+ os.system("gpg %s %s %s --detach-sign <%s >>%s" %
+ (keyring, defkeyid, arguments, relname, dest))
+ os.system("gpg %s %s %s --clearsign <%s >>%s" %
+ (keyring, defkeyid, arguments, relname, inlinedest))
+
+class XzFile(object):
+ def __init__(self, filename, mode='r'):
+ self.filename = filename
+ def read(self):
+ cmd = ("xz", "-d")
+ with open(self.filename, 'r') as stdin:
+ process = daklib.daksubprocess.Popen(cmd, stdin=stdin, stdout=subprocess.PIPE)
+ (stdout, stderr) = process.communicate()
+ return stdout
+
+class ReleaseWriter(object):
+ def __init__(self, suite):
+ self.suite = suite
+
+ def generate_release_files(self):
+ """
+ Generate Release files for the given suite
+
+ @type suite: string
+ @param suite: Suite name
+ """
+
+ suite = self.suite
+ session = object_session(suite)
+
+ architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
+
+ # Attribs contains a tuple of field names and the database names to use to
+ # fill them in
+ attribs = ( ('Origin', 'origin'),
+ ('Label', 'label'),
+ ('Suite', 'release_suite_output'),
+ ('Version', 'version'),
+ ('Codename', 'codename') )
+
+ # A "Sub" Release file has slightly different fields
+ subattribs = ( ('Archive', 'suite_name'),
+ ('Origin', 'origin'),
+ ('Label', 'label'),
+ ('Version', 'version') )
+
+ # Boolean stuff. If we find it true in database, write out "yes" into the release file
+ boolattrs = ( ('NotAutomatic', 'notautomatic'),
+ ('ButAutomaticUpgrades', 'butautomaticupgrades') )
+
+ cnf = Config()
+
+ suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
+
+ outfile = os.path.join(suite.archive.path, 'dists', suite.suite_name, suite_suffix, "Release")
+ out = open(outfile + ".new", "w")
+
+ for key, dbfield in attribs:
+ # Hack to skip NULL Version fields as we used to do this
+ # We should probably just always ignore anything which is None
+ if key == "Version" and getattr(suite, dbfield) is None:
+ continue
+
+ out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
+
+ out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
+
+ if suite.validtime:
+ validtime=float(suite.validtime)
+ out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
+
+ for key, dbfield in boolattrs:
+ if getattr(suite, dbfield, False):
+ out.write("%s: yes\n" % (key))
+
+ out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
+
+ components = [ c.component_name for c in suite.components ]
+
+ out.write("Components: %s\n" % (" ".join(components)))
+
+ # For exact compatibility with old g-r, write out Description here instead
+ # of with the rest of the DB fields above
+ if getattr(suite, 'description') is not None:
+ out.write("Description: %s\n" % suite.description)
+
+ for comp in components:
+ for dirpath, dirnames, filenames in os.walk(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix, comp), topdown=True):
+ if not re_gensubrelease.match(dirpath):
+ continue
+
+ subfile = os.path.join(dirpath, "Release")
+ subrel = open(subfile + '.new', "w")
+
+ for key, dbfield in subattribs:
+ if getattr(suite, dbfield) is not None:
+ subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
+
+ for key, dbfield in boolattrs:
+ if getattr(suite, dbfield, False):
+ subrel.write("%s: yes\n" % (key))
+
+ subrel.write("Component: %s%s\n" % (suite_suffix, comp))
+
+ # Urgh, but until we have all the suite/component/arch stuff in the DB,
+ # this'll have to do
+ arch = os.path.split(dirpath)[-1]
+ if arch.startswith('binary-'):
+ arch = arch[7:]
+
+ subrel.write("Architecture: %s\n" % (arch))
+ subrel.close()
+
+ os.rename(subfile + '.new', subfile)
+
+ # Now that we have done the groundwork, we want to get off and add the files with
+ # their checksums to the main Release file
+ oldcwd = os.getcwd()
+
+ os.chdir(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix))
+
+ hashfuncs = { 'MD5Sum' : apt_pkg.md5sum,
+ 'SHA1' : apt_pkg.sha1sum,
+ 'SHA256' : apt_pkg.sha256sum }
+
+ fileinfo = {}
+
+ uncompnotseen = {}
+
+ for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
+ for entry in filenames:
+ # Skip things we don't want to include
+ if not re_includeinrelease.match(entry):
+ continue
+
+ if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
+ continue
+
+ filename = os.path.join(dirpath.lstrip('./'), entry)
+ fileinfo[filename] = {}
+ contents = open(filename, 'r').read()
+
+ # If we find a file for which we have a compressed version and
+ # haven't yet seen the uncompressed one, store the possibility
+ # for future use
+ if entry.endswith(".gz") and entry[:-3] not in uncompnotseen.keys():
+ uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
+ elif entry.endswith(".bz2") and entry[:-4] not in uncompnotseen.keys():
+ uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
+ elif entry.endswith(".xz") and entry[:-3] not in uncompnotseen.keys():
+ uncompnotseen[filename[:-3]] = (XzFile, filename)
+
+ fileinfo[filename]['len'] = len(contents)
+
+ for hf, func in hashfuncs.items():
+ fileinfo[filename][hf] = func(contents)
+
+ for filename, comp in uncompnotseen.items():
+ # If we've already seen the uncompressed file, we don't
+ # need to do anything again
+ if filename in fileinfo.keys():
+ continue
+
+ # Skip uncompressed Contents files as they're huge, take ages to
+ # checksum and we checksum the compressed ones anyways
+ if os.path.basename(filename).startswith("Contents"):
+ continue
+
+ fileinfo[filename] = {}
+
+ # File handler is comp[0], filename of compressed file is comp[1]
+ contents = comp[0](comp[1], 'r').read()
+
+ fileinfo[filename]['len'] = len(contents)
+
+ for hf, func in hashfuncs.items():
+ fileinfo[filename][hf] = func(contents)
+
+
+ for h in sorted(hashfuncs.keys()):
+ out.write('%s:\n' % h)
+ for filename in sorted(fileinfo.keys()):
+ out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
+
+ out.close()
+ os.rename(outfile + '.new', outfile)
+
+ sign_release_dir(suite, os.path.dirname(outfile))
+
+ os.chdir(oldcwd)
+
+ return