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