dak/generate_releases.py

   1 #!/usr/bin/env python
   2
   3 """ Create all the Release files """
   4
   5 # Copyright (C) 2001, 2002, 2006  Anthony Towns <ajt@debian.org>
   6
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20
  21 #   ``Bored now''
  22
  23 ################################################################################
  24
  25 import sys, os, stat, time
  26 import gzip, bz2
  27 import apt_pkg
  28
  29 from daklib import utils
  30 from daklib.dak_exceptions import *
  31 from daklib.dbconn import *
  32
  33 ################################################################################
  34
  35 Cnf = None
  36 out = None
  37 AptCnf = None
  38
  39 ################################################################################
  40
  41 def usage (exit_code=0):
  42     print """Usage: dak generate-releases [OPTION]... [SUITE]...
  43 Generate Release files (for SUITE).
  44
  45   -h, --help                 show this help and exit
  46   -a, --apt-conf FILE        use FILE instead of default apt.conf
  47   -f, --force-touch          ignore Untouchable directives in dak.conf
  48
  49 If no SUITE is given Release files are generated for all suites."""
  50
  51     sys.exit(exit_code)
  52
  53 ################################################################################
  54
  55 def add_tiffani (files, path, indexstem):
  56     index = "%s.diff/Index" % (indexstem)
  57     filepath = "%s/%s" % (path, index)
  58     if os.path.exists(filepath):
  59         #print "ALERT: there was a tiffani file %s" % (filepath)
  60         files.append(index)
  61
  62 def compressnames (tree,type,file):
  63     compress = AptCnf.get("%s::%s::Compress" % (tree,type), AptCnf.get("Default::%s::Compress" % (type), ". gzip"))
  64     result = []
  65     cl = compress.split()
  66     uncompress = ("." not in cl)
  67     for mode in compress.split():
  68         if mode == ".":
  69             result.append(file)
  70         elif mode == "gzip":
  71             if uncompress:
  72                 result.append("<zcat/.gz>" + file)
  73                 uncompress = 0
  74             result.append(file + ".gz")
  75         elif mode == "bzip2":
  76             if uncompress:
  77                 result.append("<bzcat/.bz2>" + file)
  78                 uncompress = 0
  79             result.append(file + ".bz2")
  80     return result
  81
  82 decompressors = { 'zcat' : gzip.GzipFile,
  83                   'bzip2' : bz2.BZ2File }
  84
  85 def print_md5sha_files (tree, files, hashop):
  86     path = Cnf["Dir::Root"] + tree + "/"
  87     for name in files:
  88         hashvalue = ""
  89         hashlen = 0
  90         try:
  91             if name[0] == "<":
  92                 j = name.index("/")
  93                 k = name.index(">")
  94                 (cat, ext, name) = (name[1:j], name[j+1:k], name[k+1:])
  95                 file_handle = decompressors[ cat ]( "%s%s%s" % (path, name, ext) )
  96                 contents = file_handle.read()
  97                 hashvalue = hashop(contents)
  98                 hashlen = len(contents)
  99             else:
 100                 try:
 101                     file_handle = utils.open_file(path + name)
 102                     hashvalue = hashop(file_handle)
 103                     hashlen = os.stat(path + name).st_size
 104                 except:
 105                     raise
 106                 else:
 107                     if file_handle:
 108                         file_handle.close()
 109
 110         except CantOpenError:
 111             print "ALERT: Couldn't open " + path + name
 112         else:
 113             out.write(" %s %8d %s\n" % (hashvalue, hashlen, name))
 114
 115 def print_md5_files (tree, files):
 116     print_md5sha_files (tree, files, apt_pkg.md5sum)
 117
 118 def print_sha1_files (tree, files):
 119     print_md5sha_files (tree, files, apt_pkg.sha1sum)
 120
 121 def print_sha256_files (tree, files):
 122     print_md5sha_files (tree, files, apt_pkg.sha256sum)
 123
 124 def write_release_file (relpath, suite, component, origin, label, arch, version="", suite_suffix="", notautomatic=""):
 125     try:
 126         if os.access(relpath, os.F_OK):
 127             if os.stat(relpath).st_nlink > 1:
 128                 os.unlink(relpath)
 129         release = open(relpath, "w")
 130     except IOError:
 131         utils.fubar("Couldn't write to " + relpath)
 132
 133     release.write("Archive: %s\n" % (suite))
 134     if version != "":
 135         release.write("Version: %s\n" % (version))
 136
 137     if suite_suffix:
 138         release.write("Component: %s/%s\n" % (suite_suffix,component))
 139     else:
 140         release.write("Component: %s\n" % (component))
 141
 142     release.write("Origin: %s\n" % (origin))
 143     release.write("Label: %s\n" % (label))
 144     if notautomatic != "":
 145         release.write("NotAutomatic: %s\n" % (notautomatic))
 146     release.write("Architecture: %s\n" % (arch))
 147     release.close()
 148
 149 ################################################################################
 150
 151 def main ():
 152     global Cnf, AptCnf, out
 153     out = sys.stdout
 154
 155     Cnf = utils.get_conf()
 156
 157     Arguments = [('h',"help","Generate-Releases::Options::Help"),
 158                  ('a',"apt-conf","Generate-Releases::Options::Apt-Conf", "HasArg"),
 159                  ('f',"force-touch","Generate-Releases::Options::Force-Touch"),
 160                 ]
 161     for i in [ "help", "apt-conf", "force-touch" ]:
 162         if not Cnf.has_key("Generate-Releases::Options::%s" % (i)):
 163             Cnf["Generate-Releases::Options::%s" % (i)] = ""
 164
 165     suites = apt_pkg.ParseCommandLine(Cnf,Arguments,sys.argv)
 166     Options = Cnf.SubTree("Generate-Releases::Options")
 167
 168     if Options["Help"]:
 169         usage()
 170
 171     if not Options["Apt-Conf"]:
 172         Options["Apt-Conf"] = utils.which_apt_conf_file()
 173
 174     AptCnf = apt_pkg.newConfiguration()
 175     apt_pkg.ReadConfigFileISC(AptCnf, Options["Apt-Conf"])
 176
 177     if not suites:
 178         suites = Cnf.SubTree("Suite").List()
 179
 180     for suitename in suites:
 181         print "Processing: " + suitename
 182         SuiteBlock = Cnf.SubTree("Suite::" + suite)
 183         suiteobj = get_suite(suitename)
 184
 185         suite = suite.suite_name.lower()
 186
 187         if suite.untouchable and not Options["Force-Touch"]:
 188             print "Skipping: " + suite + " (untouchable)"
 189             continue
 190
 191         origin = suite.origin
 192         label = suite.label or suite.origin
 193         codename = suite.codename or ""
 194         version = ""
 195         if suite.version and suite.version != '-':
 196             version = suite.version
 197         description = suite.description or ""
 198
 199         architectures = get_suite_architectures(suite, skipall=True, skipsrc=True)
 200
 201         if SuiteBlock.has_key("NotAutomatic"):
 202             notautomatic = "yes"
 203         else:
 204             notautomatic = ""
 205
 206         if SuiteBlock.has_key("Components"):
 207             components = SuiteBlock.ValueList("Components")
 208         else:
 209             components = []
 210
 211         suite_suffix = Cnf.Find("Dinstall::SuiteSuffix")
 212         if components and suite_suffix:
 213             longsuite = suite + "/" + suite_suffix
 214         else:
 215             longsuite = suite
 216
 217         tree = SuiteBlock.get("Tree", "dists/%s" % (longsuite))
 218
 219         if AptCnf.has_key("tree::%s" % (tree)):
 220             pass
 221         elif AptCnf.has_key("bindirectory::%s" % (tree)):
 222             pass
 223         else:
 224             aptcnf_filename = os.path.basename(utils.which_apt_conf_file())
 225             print "ALERT: suite %s not in %s, nor untouchable!" % (suite, aptcnf_filename)
 226             continue
 227
 228         print Cnf["Dir::Root"] + tree + "/Release"
 229         out = open(Cnf["Dir::Root"] + tree + "/Release", "w")
 230
 231         out.write("Origin: %s\n" % (suiteobj.origin))
 232         out.write("Label: %s\n" % (label))
 233         out.write("Suite: %s\n" % (suite))
 234         if version != "":
 235             out.write("Version: %s\n" % (version))
 236         if codename != "":
 237             out.write("Codename: %s\n" % (codename))
 238         out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
 239
 240         if SuiteBlock.has_key("ValidTime"):
 241             validtime=float(SuiteBlock["ValidTime"])
 242             out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
 243
 244         if notautomatic != "":
 245             out.write("NotAutomatic: %s\n" % (notautomatic))
 246         out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
 247         if components:
 248             out.write("Components: %s\n" % (" ".join(components)))
 249
 250         if description:
 251             out.write("Description: %s\n" % (description))
 252
 253         files = []
 254
 255         if AptCnf.has_key("tree::%s" % (tree)):
 256             if AptCnf.has_key("tree::%s::Contents" % (tree)):
 257                 pass
 258             else:
 259                 for x in os.listdir("%s/%s" % (Cnf["Dir::Root"], tree)):
 260                     if x.startswith('Contents-'):
 261                         files.append(x)
 262
 263             for sec in AptCnf["tree::%s::Sections" % (tree)].split():
 264                 for arch in AptCnf["tree::%s::Architectures" % (tree)].split():
 265                     if arch == "source":
 266                         filepath = "%s/%s/Sources" % (sec, arch)
 267                         for cfile in compressnames("tree::%s" % (tree), "Sources", filepath):
 268                             files.append(cfile)
 269                         add_tiffani(files, Cnf["Dir::Root"] + tree, filepath)
 270                     else:
 271                         disks = "%s/disks-%s" % (sec, arch)
 272                         diskspath = Cnf["Dir::Root"]+tree+"/"+disks
 273                         if os.path.exists(diskspath):
 274                             for dir in os.listdir(diskspath):
 275                                 if os.path.exists("%s/%s/md5sum.txt" % (diskspath, dir)):
 276                                     files.append("%s/%s/md5sum.txt" % (disks, dir))
 277
 278                         filepath = "%s/binary-%s/Packages" % (sec, arch)
 279                         for cfile in compressnames("tree::%s" % (tree), "Packages", filepath):
 280                             files.append(cfile)
 281                         add_tiffani(files, Cnf["Dir::Root"] + tree, filepath)
 282
 283                     if arch == "source":
 284                         rel = "%s/%s/Release" % (sec, arch)
 285                     else:
 286                         rel = "%s/binary-%s/Release" % (sec, arch)
 287                     relpath = Cnf["Dir::Root"]+tree+"/"+rel
 288                     write_release_file(relpath, suite, sec, origin, label, arch, version, suite_suffix, notautomatic)
 289                     files.append(rel)
 290
 291             if AptCnf.has_key("tree::%s/main" % (tree)):
 292                 for dis in ["main", "contrib", "non-free"]:
 293                     if not AptCnf.has_key("tree::%s/%s" % (tree, dis)): continue
 294                     sec = AptCnf["tree::%s/%s::Sections" % (tree,dis)].split()[0]
 295                     if sec != "debian-installer":
 296                         print "ALERT: weird non debian-installer section in %s" % (tree)
 297
 298                     for arch in AptCnf["tree::%s/%s::Architectures" % (tree,dis)].split():
 299                         if arch != "source":  # always true
 300                             rel = "%s/%s/binary-%s/Release" % (dis, sec, arch)
 301                             relpath = Cnf["Dir::Root"]+tree+"/"+rel
 302                             write_release_file(relpath, suite, dis, origin, label, arch, version, suite_suffix, notautomatic)
 303                             files.append(rel)
 304                             for cfile in compressnames("tree::%s/%s" % (tree,dis),
 305                                 "Packages",
 306                                 "%s/%s/binary-%s/Packages" % (dis, sec, arch)):
 307                                 files.append(cfile)
 308             elif AptCnf.has_key("tree::%s::FakeDI" % (tree)):
 309                 usetree = AptCnf["tree::%s::FakeDI" % (tree)]
 310                 sec = AptCnf["tree::%s/main::Sections" % (usetree)].split()[0]
 311                 if sec != "debian-installer":
 312                     print "ALERT: weird non debian-installer section in %s" % (usetree)
 313
 314                 for arch in AptCnf["tree::%s/main::Architectures" % (usetree)].split():
 315                     if arch != "source":  # always true
 316                         for cfile in compressnames("tree::%s/main" % (usetree), "Packages", "main/%s/binary-%s/Packages" % (sec, arch)):
 317                             files.append(cfile)
 318
 319         elif AptCnf.has_key("bindirectory::%s" % (tree)):
 320             for cfile in compressnames("bindirectory::%s" % (tree), "Packages", AptCnf["bindirectory::%s::Packages" % (tree)]):
 321                 files.append(cfile.replace(tree+"/","",1))
 322             for cfile in compressnames("bindirectory::%s" % (tree), "Sources", AptCnf["bindirectory::%s::Sources" % (tree)]):
 323                 files.append(cfile.replace(tree+"/","",1))
 324         else:
 325             print "ALERT: no tree/bindirectory for %s" % (tree)
 326
 327         out.write("MD5Sum:\n")
 328         print_md5_files(tree, files)
 329         out.write("SHA1:\n")
 330         print_sha1_files(tree, files)
 331         out.write("SHA256:\n")
 332         print_sha256_files(tree, files)
 333
 334         out.close()
 335         if Cnf.has_key("Dinstall::SigningKeyring"):
 336             keyring = "--secret-keyring \"%s\"" % Cnf["Dinstall::SigningKeyring"]
 337             if Cnf.has_key("Dinstall::SigningPubKeyring"):
 338                 keyring += " --keyring \"%s\"" % Cnf["Dinstall::SigningPubKeyring"]
 339
 340             arguments = "--no-options --batch --no-tty --armour"
 341             if Cnf.has_key("Dinstall::SigningKeyIds"):
 342                 signkeyids = Cnf["Dinstall::SigningKeyIds"].split()
 343             else:
 344                 signkeyids = [""]
 345
 346             dest = Cnf["Dir::Root"] + tree + "/Release.gpg"
 347             if os.path.exists(dest):
 348                 os.unlink(dest)
 349
 350             for keyid in signkeyids:
 351                 if keyid != "": defkeyid = "--default-key %s" % keyid
 352                 else: defkeyid = ""
 353                 os.system("gpg %s %s %s --detach-sign <%s >>%s" %
 354                         (keyring, defkeyid, arguments,
 355                         Cnf["Dir::Root"] + tree + "/Release", dest))
 356
 357 #######################################################################################
 358
 359 if __name__ == '__main__':
 360     main()