release.py

   1 # Copyright (C) 2009, Thomas Leonard
   2 # See the README file for details, or visit http://0install.net.
   3
   4 import os, sys, subprocess, shutil, tempfile
   5 from zeroinstall import SafeException
   6 from zeroinstall.injector import reader, model, qdom
   7 from logging import info, warn
   8
   9 import support, compile
  10 from scm import get_scm
  11
  12 XMLNS_RELEASE = 'http://zero-install.sourceforge.net/2007/namespaces/0release'
  13
  14 valid_phases = ['commit-release', 'generate-archive']
  15
  16 TMP_BRANCH_NAME = '0release-tmp'
  17
  18 def run_unit_tests(local_feed, impl):
  19         self_test = impl.metadata.get('self-test', None)
  20         if self_test is None:
  21                 print "SKIPPING unit tests for %s (no 'self-test' attribute set)" % impl
  22                 return
  23         print "Running self-test:", self_test
  24         exitstatus = subprocess.call(['0launch', 'http://0install.net/2008/interfaces/0test.xml', local_feed])
  25         if exitstatus:
  26                 raise SafeException("Self-test failed with exit status %d" % exitstatus)
  27
  28 def get_archive_url(options, status, archive):
  29         archive_dir_public_url = options.archive_dir_public_url.replace('$RELEASE_VERSION', status.release_version)
  30         if not archive_dir_public_url.endswith('/'):
  31                 archive_dir_public_url += '/'
  32         return archive_dir_public_url + archive
  33
  34 def upload_archives(options, status, uploads):
  35         # For each binary or source archive in uploads, ensure it is available
  36         # from options.archive_dir_public_url
  37
  38         # We try to do all the uploads together first, and then verify them all
  39         # afterwards. This is because we may have to wait for them to be moved
  40         # from an incoming queue before we can test them.
  41
  42         def url(archive):
  43                 return get_archive_url(options, status, archive)
  44
  45         # Check that url exists and has the given size
  46         def is_uploaded(url, size):
  47                 if url.startswith('http://TESTING/releases'):
  48                         return True
  49
  50                 print "Testing URL %s..." % url
  51                 try:
  52                         actual_size = int(support.get_size(url))
  53                 except Exception, ex:
  54                         print "Can't get size of '%s': %s" % (url, ex)
  55                         return False
  56                 else:
  57                         if actual_size == size:
  58                                 return True
  59                         print "WARNING: %s exists, but size is %d, not %d!" % (url, actual_size, size)
  60                         return False
  61
  62         # status.verified_uploads is an array of status flags:
  63         description = {
  64                 'N': 'Upload required',
  65                 'A': 'Upload has been attempted, but we need to check whether it worked',
  66                 'V': 'Upload has been checked (exists and has correct size)',
  67         }
  68
  69         if status.verified_uploads is None:
  70                 # First time around; no point checking for existing uploads
  71                 status.verified_uploads = 'N' * len(uploads)
  72                 status.save()
  73
  74         while True:
  75                 print "\nUpload status:"
  76                 for i, stat in enumerate(status.verified_uploads):
  77                         print "- %s : %s" % (uploads[i], description[stat])
  78                 print
  79
  80                 # Break if finished
  81                 if status.verified_uploads == 'V' * len(uploads):
  82                         break
  83
  84                 # Find all New archives
  85                 to_upload = []
  86                 for i, stat in enumerate(status.verified_uploads):
  87                         assert stat in 'NAV'
  88                         if stat == 'N':
  89                                 to_upload.append(uploads[i])
  90                                 print "Upload %s/%s as %s" % (status.release_version, uploads[i], url(uploads[i]))
  91
  92                 cmd = options.archive_upload_command.strip()
  93
  94                 if to_upload:
  95                         # Mark all New items as Attempted
  96                         status.verified_uploads = status.verified_uploads.replace('N', 'A')
  97                         status.save()
  98
  99                         # Upload them...
 100                         if cmd:
 101                                 support.show_and_run(cmd, to_upload)
 102                         else:
 103                                 if len(to_upload) == 1:
 104                                         print "No upload command is set => please upload the archive manually now"
 105                                         raw_input('Press Return once the archive is uploaded.')
 106                                 else:
 107                                         print "No upload command is set => please upload the archives manually now"
 108                                         raw_input('Press Return once the %d archives are uploaded.' % len(to_upload))
 109
 110                 # Verify all Attempted uploads
 111                 new_stat = ''
 112                 for i, stat in enumerate(status.verified_uploads):
 113                         assert stat in 'AV', status.verified_uploads
 114                         if stat == 'A' :
 115                                 if not is_uploaded(url(uploads[i]), os.path.getsize(uploads[i])):
 116                                         print "** Archive '%s' still not uploaded! Try again..." % uploads[i]
 117                                         stat = 'N'
 118                                 else:
 119                                         stat = 'V'
 120                         new_stat += stat
 121
 122                 status.verified_uploads = new_stat
 123                 status.save()
 124
 125                 if 'N' in new_stat and cmd:
 126                         raw_input('Press Return to try again.')
 127
 128 def do_release(local_iface, options):
 129         assert options.master_feed_file
 130         options.master_feed_file = os.path.abspath(options.master_feed_file)
 131
 132         if not options.archive_dir_public_url:
 133                 raise SafeException("Downloads directory not set. Edit the 'make-release' script and try again.")
 134
 135         if not local_iface.feed_for:
 136                 raise SafeException("Feed %s missing a <feed-for> element" % local_iface.uri)
 137
 138         status = support.Status()
 139         local_impl = support.get_singleton_impl(local_iface)
 140
 141         local_impl_dir = local_impl.id
 142         assert local_impl_dir.startswith('/')
 143         local_impl_dir = os.path.realpath(local_impl_dir)
 144         assert os.path.isdir(local_impl_dir)
 145         assert local_iface.uri.startswith(local_impl_dir + '/')
 146
 147         # From the impl directory to the feed
 148         # NOT relative to the archive root (in general)
 149         local_iface_rel_path = local_iface.uri[len(local_impl_dir) + 1:]
 150         assert not local_iface_rel_path.startswith('/')
 151         assert os.path.isfile(os.path.join(local_impl_dir, local_iface_rel_path))
 152
 153         phase_actions = {}
 154         for phase in valid_phases:
 155                 phase_actions[phase] = []       # List of <release:action> elements
 156
 157         add_toplevel_dir = None
 158         release_management = local_iface.get_metadata(XMLNS_RELEASE, 'management')
 159         if len(release_management) == 1:
 160                 info("Found <release:management> element.")
 161                 release_management = release_management[0]
 162                 for x in release_management.childNodes:
 163                         if x.uri == XMLNS_RELEASE and x.name == 'action':
 164                                 phase = x.getAttribute('phase')
 165                                 if phase not in valid_phases:
 166                                         raise SafeException("Invalid action phase '%s' in local feed %s. Valid actions are:\n%s" % (phase, local_iface.uri, '\n'.join(valid_phases)))
 167                                 phase_actions[phase].append(x.content)
 168                         elif x.uri == XMLNS_RELEASE and x.name == 'add-toplevel-directory':
 169                                 add_toplevel_dir = local_iface.get_name()
 170                         else:
 171                                 warn("Unknown <release:management> element: %s", x)
 172         elif len(release_management) > 1:
 173                 raise SafeException("Multiple <release:management> sections in %s!" % local_iface)
 174         else:
 175                 info("No <release:management> element found in local feed.")
 176
 177         scm = get_scm(local_iface, options)
 178
 179         # Path relative to the archive / SCM root
 180         local_iface_rel_root_path = local_iface.uri[len(scm.root_dir) + 1:]
 181
 182         def run_hooks(phase, cwd, env):
 183                 info("Running hooks for phase '%s'" % phase)
 184                 full_env = os.environ.copy()
 185                 full_env.update(env)
 186                 for x in phase_actions[phase]:
 187                         print "[%s]: %s" % (phase, x)
 188                         support.check_call(x, shell = True, cwd = cwd, env = full_env)
 189
 190         def set_to_release():
 191                 print "Snapshot version is " + local_impl.get_version()
 192                 suggested = support.suggest_release_version(local_impl.get_version())
 193                 release_version = raw_input("Version number for new release [%s]: " % suggested)
 194                 if not release_version:
 195                         release_version = suggested
 196
 197                 scm.ensure_no_tag(release_version)
 198
 199                 status.head_before_release = scm.get_head_revision()
 200                 status.save()
 201
 202                 working_copy = local_impl.id
 203                 run_hooks('commit-release', cwd = working_copy, env = {'RELEASE_VERSION': release_version})
 204
 205                 print "Releasing version", release_version
 206                 support.publish(local_iface.uri, set_released = 'today', set_version = release_version)
 207
 208                 support.backup_if_exists(release_version)
 209                 os.mkdir(release_version)
 210                 os.chdir(release_version)
 211
 212                 status.old_snapshot_version = local_impl.get_version()
 213                 status.release_version = release_version
 214                 status.head_at_release = scm.commit('Release %s' % release_version, branch = TMP_BRANCH_NAME, parent = 'HEAD')
 215                 status.save()
 216
 217         def set_to_snapshot(snapshot_version):
 218                 assert snapshot_version.endswith('-post')
 219                 support.publish(local_iface.uri, set_released = '', set_version = snapshot_version)
 220                 scm.commit('Start development series %s' % snapshot_version, branch = TMP_BRANCH_NAME, parent = TMP_BRANCH_NAME)
 221                 status.new_snapshot_version = scm.get_head_revision()
 222                 status.save()
 223
 224         def ensure_ready_to_release():
 225                 if not options.master_feed_file:
 226                         raise SafeException("Master feed file not set! Check your configuration")
 227
 228                 scm.ensure_committed()
 229                 scm.ensure_versioned(os.path.abspath(local_iface.uri))
 230                 info("No uncommitted changes. Good.")
 231                 # Not needed for GIT. For SCMs where tagging is expensive (e.g. svn) this might be useful.
 232                 #run_unit_tests(local_impl)
 233
 234                 scm.grep('\(^\\|[^=]\)\<\\(TODO\\|XXX\\|FIXME\\)\>')
 235
 236         def create_feed(target_feed, local_iface_path, archive_file, archive_name, main):
 237                 shutil.copyfile(local_iface_path, target_feed)
 238
 239                 support.publish(target_feed,
 240                         set_main = main,
 241                         archive_url = get_archive_url(options, status, os.path.basename(archive_file)),
 242                         archive_file = archive_file,
 243                         archive_extract = archive_name)
 244
 245         def get_previous_release(this_version):
 246                 """Return the highest numbered verison in the master feed before this_version.
 247                 @return: version, or None if there wasn't one"""
 248                 parsed_release_version = model.parse_version(this_version)
 249
 250                 if os.path.exists(options.master_feed_file):
 251                         master = model.Interface(os.path.realpath(options.master_feed_file))
 252                         reader.update(master, master.uri, local = True)
 253                         versions = [impl.version for impl in master.implementations.values() if impl.version < parsed_release_version]
 254                         if versions:
 255                                 return model.format_version(max(versions))
 256                 return None
 257
 258         def export_changelog(previous_release):
 259                 changelog = file('changelog-%s' % status.release_version, 'w')
 260                 try:
 261                         try:
 262                                 scm.export_changelog(previous_release, status.head_before_release, changelog)
 263                         except SafeException, ex:
 264                                 print "WARNING: Failed to generate changelog: " + str(ex)
 265                         else:
 266                                 print "Wrote changelog from %s to here as %s" % (previous_release or 'start', changelog.name)
 267                 finally:
 268                         changelog.close()
 269
 270         def fail_candidate(archive_file):
 271                 cwd = os.getcwd()
 272                 assert cwd.endswith(status.release_version)
 273                 support.backup_if_exists(cwd)
 274                 scm.delete_branch(TMP_BRANCH_NAME)
 275                 os.unlink(support.release_status_file)
 276                 print "Restored to state before starting release. Make your fixes and try again..."
 277
 278         def accept_and_publish(archive_file, archive_name, src_feed_name):
 279                 assert options.master_feed_file
 280
 281                 if not options.archive_dir_public_url:
 282                         raise SafeException("Archive directory public URL is not set! Edit configuration and try again.")
 283
 284                 if status.tagged:
 285                         print "Already tagged in SCM. Not re-tagging."
 286                 else:
 287                         scm.ensure_committed()
 288                         head = scm.get_head_revision()
 289                         if head != status.head_before_release:
 290                                 raise SafeException("Changes committed since we started!\n" +
 291                                                     "HEAD was " + status.head_before_release + "\n"
 292                                                     "HEAD now " + head)
 293
 294                         scm.tag(status.release_version, status.head_at_release)
 295                         scm.reset_hard(TMP_BRANCH_NAME)
 296                         scm.delete_branch(TMP_BRANCH_NAME)
 297
 298                         status.tagged = 'true'
 299                         status.save()
 300
 301                 if status.updated_master_feed:
 302                         print "Already added to master feed. Not changing."
 303                 else:
 304                         publish_opts = {}
 305                         if os.path.exists(options.master_feed_file):
 306                                 # Check we haven't already released this version
 307                                 master = model.Interface(os.path.realpath(options.master_feed_file))
 308                                 reader.update(master, master.uri, local = True)
 309                                 existing_releases = [impl for impl in master.implementations.values() if impl.get_version() == status.release_version]
 310                                 if len(existing_releases):
 311                                         raise SafeException("Master feed %s already contains an implementation with version number %s!" % (options.master_feed_file, status.release_version))
 312
 313                                 previous_release = get_previous_release(status.release_version)
 314                                 previous_testing_releases = [impl for impl in master.implementations.values() if impl.get_version() == previous_release
 315                                                                                                              and impl.upstream_stability == model.stability_levels["testing"]]
 316                                 if previous_testing_releases:
 317                                         print "The previous release, version %s, is still marked as 'testing'. Set to stable?" % previous_release
 318                                         if support.get_choice(['Yes', 'No']) == 'Yes':
 319                                                 publish_opts['select_version'] = previous_release
 320                                                 publish_opts['set_stability'] = "stable"
 321
 322                         # Merge the source and binary feeds together first, so
 323                         # that we update the master feed atomically and only
 324                         # have to sign it once.
 325                         shutil.copyfile(src_feed_name, 'merged.xml')
 326                         for b in compiler.get_binary_feeds():
 327                                 support.publish('merged.xml', local = b)
 328
 329                         support.publish(options.master_feed_file, local = 'merged.xml', xmlsign = True, key = options.key, **publish_opts)
 330                         os.unlink('merged.xml')
 331
 332                         status.updated_master_feed = 'true'
 333                         status.save()
 334
 335                 # Copy files...
 336                 uploads = [os.path.basename(archive_file)]
 337                 for b in compiler.get_binary_feeds():
 338                         stream = file(b)
 339                         binary_feed = model.ZeroInstallFeed(qdom.parse(stream), local_path = b)
 340                         stream.close()
 341                         impl, = binary_feed.implementations.values()
 342                         uploads.append(os.path.basename(impl.download_sources[0].url))
 343
 344                 upload_archives(options, status, uploads)
 345
 346                 assert len(local_iface.feed_for) == 1
 347                 feed_base = os.path.dirname(local_iface.feed_for.keys()[0])
 348                 feed_files = [options.master_feed_file]
 349                 print "Upload %s into %s" % (', '.join(feed_files), feed_base)
 350                 cmd = options.master_feed_upload_command.strip()
 351                 if cmd:
 352                         support.show_and_run(cmd, feed_files)
 353                 else:
 354                         print "NOTE: No feed upload command set => you'll have to upload them yourself!"
 355
 356                 print "Push changes to public SCM repository..."
 357                 public_repos = options.public_scm_repository
 358                 if public_repos:
 359                         scm.push_head_and_release(status.release_version)
 360                 else:
 361                         print "NOTE: No public repository set => you'll have to push the tag and trunk yourself."
 362
 363                 os.unlink(support.release_status_file)
 364
 365         if status.head_before_release:
 366                 head = scm.get_head_revision()
 367                 if status.release_version:
 368                         print "RESUMING release of %s %s" % (local_iface.get_name(), status.release_version)
 369                 elif head == status.head_before_release:
 370                         print "Restarting release of %s (HEAD revision has not changed)" % local_iface.get_name()
 371                 else:
 372                         raise SafeException("Something went wrong with the last run:\n" +
 373                                             "HEAD revision for last run was " + status.head_before_release + "\n" +
 374                                             "HEAD revision now is " + head + "\n" +
 375                                             "You should revert your working copy to the previous head and try again.\n" +
 376                                             "If you're sure you want to release from the current head, delete '" + support.release_status_file + "'")
 377         else:
 378                 print "Releasing", local_iface.get_name()
 379
 380         ensure_ready_to_release()
 381
 382         if status.release_version:
 383                 if not os.path.isdir(status.release_version):
 384                         raise SafeException("Can't resume; directory %s missing. Try deleting '%s'." % (status.release_version, support.release_status_file))
 385                 os.chdir(status.release_version)
 386                 need_set_snapshot = False
 387                 if status.tagged:
 388                         print "Already tagged. Resuming the publishing process..."
 389                 elif status.new_snapshot_version:
 390                         head = scm.get_head_revision()
 391                         if head != status.head_before_release:
 392                                 raise SafeException("There are more commits since we started!\n"
 393                                                     "HEAD was " + status.head_before_release + "\n"
 394                                                     "HEAD now " + head + "\n"
 395                                                     "To include them, delete '" + support.release_status_file + "' and try again.\n"
 396                                                     "To leave them out, put them on a new branch and reset HEAD to the release version.")
 397                 else:
 398                         raise SafeException("Something went wrong previously when setting the new snapshot version.\n" +
 399                                             "Suggest you reset to the original HEAD of\n%s and delete '%s'." % (status.head_before_release, support.release_status_file))
 400         else:
 401                 set_to_release()        # Changes directory
 402                 assert status.release_version
 403                 need_set_snapshot = True
 404
 405         # May be needed by the upload command
 406         os.environ['RELEASE_VERSION'] = status.release_version
 407
 408         archive_name = support.make_archive_name(local_iface.get_name(), status.release_version)
 409         archive_file = archive_name + '.tar.bz2'
 410
 411         export_prefix = archive_name
 412         if add_toplevel_dir is not None:
 413                 export_prefix += '/' + add_toplevel_dir
 414
 415         if status.created_archive and os.path.isfile(archive_file):
 416                 print "Archive already created"
 417         else:
 418                 support.backup_if_exists(archive_file)
 419                 scm.export(export_prefix, archive_file, status.head_at_release)
 420
 421                 has_submodules = scm.has_submodules()
 422
 423                 if phase_actions['generate-archive'] or has_submodules:
 424                         try:
 425                                 support.unpack_tarball(archive_file)
 426                                 if has_submodules:
 427                                         scm.export_submodules(archive_name)
 428                                 run_hooks('generate-archive', cwd = archive_name, env = {'RELEASE_VERSION': status.release_version})
 429                                 info("Regenerating archive (may have been modified by generate-archive hooks...")
 430                                 support.check_call(['tar', 'cjf', archive_file, archive_name])
 431                         except SafeException:
 432                                 scm.reset_hard(scm.get_current_branch())
 433                                 fail_candidate(archive_file)
 434                                 raise
 435
 436                 status.created_archive = 'true'
 437                 status.save()
 438
 439         if need_set_snapshot:
 440                 set_to_snapshot(status.release_version + '-post')
 441                 # Revert back to the original revision, so that any fixes the user makes
 442                 # will get applied before the tag
 443                 scm.reset_hard(scm.get_current_branch())
 444
 445         #backup_if_exists(archive_name)
 446         support.unpack_tarball(archive_file)
 447
 448         extracted_iface_path = os.path.abspath(os.path.join(export_prefix, local_iface_rel_root_path))
 449         assert os.path.isfile(extracted_iface_path), "Local feed not in archive! Is it under version control?"
 450         extracted_iface = model.Interface(extracted_iface_path)
 451         reader.update(extracted_iface, extracted_iface_path, local = True)
 452         extracted_impl = support.get_singleton_impl(extracted_iface)
 453
 454         if extracted_impl.main:
 455                 # Find main executable, relative to the archive root
 456                 abs_main = os.path.join(os.path.dirname(extracted_iface_path), extracted_impl.id, extracted_impl.main)
 457                 main = support.relative_path(archive_name + '/', abs_main)
 458                 if main != extracted_impl.main:
 459                         print "(adjusting main: '%s' for the feed inside the archive, '%s' externally)" % (extracted_impl.main, main)
 460                 if not os.path.exists(abs_main):
 461                         raise SafeException("Main executable '%s' not found after unpacking archive!" % abs_main)
 462         else:
 463                 main = None
 464
 465         try:
 466                 if status.src_tests_passed:
 467                         print "Unit-tests already passed - not running again"
 468                 else:
 469                         run_unit_tests(extracted_iface_path, extracted_impl)
 470                         status.src_tests_passed = True
 471                         status.save()
 472         except SafeException:
 473                 print "(leaving extracted directory for examination)"
 474                 fail_candidate(archive_file)
 475                 raise
 476         # Unpack it again in case the unit-tests changed anything
 477         shutil.rmtree(archive_name)
 478         support.unpack_tarball(archive_file)
 479
 480         # Generate feed for source
 481         stream = open(extracted_iface_path)
 482         src_feed_name = '%s.xml' % archive_name
 483         create_feed(src_feed_name, extracted_iface_path, archive_file, archive_name, main)
 484         print "Wrote source feed as %s" % src_feed_name
 485
 486         # If it's a source package, compile the binaries now...
 487         compiler = compile.Compiler(options, os.path.abspath(src_feed_name))
 488         compiler.build_binaries()
 489
 490         previous_release = get_previous_release(status.release_version)
 491         export_changelog(previous_release)
 492
 493         if status.tagged:
 494                 raw_input('Already tagged. Press Return to resume publishing process...')
 495                 choice = 'Publish'
 496         else:
 497                 print "\nCandidate release archive:", archive_file
 498                 print "(extracted to %s for inspection)" % os.path.abspath(archive_name)
 499
 500                 print "\nPlease check candidate and select an action:"
 501                 print "P) Publish candidate (accept)"
 502                 print "F) Fail candidate (untag)"
 503                 if previous_release:
 504                         print "D) Diff against release archive for %s" % previous_release
 505                         maybe_diff = ['Diff']
 506                 else:
 507                         maybe_diff = []
 508                 print "(you can also hit CTRL-C and resume this script when done)"
 509
 510                 while True:
 511                         choice = support.get_choice(['Publish', 'Fail'] + maybe_diff)
 512                         if choice == 'Diff':
 513                                 previous_archive_name = support.make_archive_name(local_iface.get_name(), previous_release)
 514                                 previous_archive_file = '../%s/%s.tar.bz2' % (previous_release, previous_archive_name)
 515
 516                                 # For archives created by older versions of 0release
 517                                 if not os.path.isfile(previous_archive_file):
 518                                         old_previous_archive_file = '../%s.tar.bz2' % previous_archive_name
 519                                         if os.path.isfile(old_previous_archive_file):
 520                                                 previous_archive_file = old_previous_archive_file
 521
 522                                 if os.path.isfile(previous_archive_file):
 523                                         support.unpack_tarball(previous_archive_file)
 524                                         try:
 525                                                 support.show_diff(previous_archive_name, archive_name)
 526                                         finally:
 527                                                 shutil.rmtree(previous_archive_name)
 528                                 else:
 529                                         # TODO: download it?
 530                                         print "Sorry, archive file %s not found! Can't show diff." % previous_archive_file
 531                         else:
 532                                 break
 533
 534         info("Deleting extracted archive %s", archive_name)
 535         shutil.rmtree(archive_name)
 536
 537         if choice == 'Publish':
 538                 accept_and_publish(archive_file, archive_name, src_feed_name)
 539         else:
 540                 assert choice == 'Fail'
 541                 fail_candidate(archive_file)