class TestBugIDsFromChangesFile(TestCaseWithFactory):
    """Test get_bug_ids_from_changes_file."""

    layer = LaunchpadZopelessLayer
    dbuser = config.uploadqueue.dbuser

    def setUp(self):
        super(TestBugIDsFromChangesFile, self).setUp()
        self.changes = Changes({
            'Format': '1.8',
            'Source': 'swat',
        })

    def getBugIDs(self):
        """Serialize self.changes and use get_bug_ids_from_changes_file to
        extract bug IDs from it.
        """
        stream = StringIO()
        self.changes.dump(stream)
        stream.seek(0)
        return get_bug_ids_from_changes_file(stream)

    def test_no_bugs(self):
        # An empty list is returned if there are no bugs
        # mentioned.
        self.assertEqual([], self.getBugIDs())

    def test_invalid_bug_id(self):
        # Invalid bug ids (i.e. containing non-digit characters) are ignored.
        self.changes["Launchpad-Bugs-Fixed"] = "bla"
        self.assertEqual([], self.getBugIDs())

    def test_unknown_bug_id(self):
        # Unknown bug ids are passed through; they will be ignored later, by
        # close_bug_ids_for_sourcepackagerelease.
        self.changes["Launchpad-Bugs-Fixed"] = "45120"
        self.assertEqual([45120], self.getBugIDs())

    def test_valid_bug(self):
        # For valid bug ids the bug object is returned.
        bug = self.factory.makeBug()
        self.changes["Launchpad-Bugs-Fixed"] = "%d" % bug.id
        self.assertEqual([bug.id], self.getBugIDs())

    def test_case_sensitivity(self):
        # The spelling of Launchpad-Bugs-Fixed is case-insensitive.
        bug = self.factory.makeBug()
        self.changes["LaUnchpad-Bugs-fixed"] = "%d" % bug.id
        self.assertEqual([bug.id], self.getBugIDs())

    def test_multiple_bugs(self):
        # Multiple bug ids can be specified, separated by spaces.
        bug1 = self.factory.makeBug()
        bug2 = self.factory.makeBug()
        self.changes["Launchpad-Bugs-Fixed"] = "%d invalid %d" % (bug1.id,
                                                                  bug2.id)
        self.assertEqual([bug1.id, bug2.id], self.getBugIDs())
class TestBugIDsFromChangesFile(TestCaseWithFactory):
    """Test get_bug_ids_from_changes_file."""

    layer = LaunchpadZopelessLayer
    dbuser = config.uploadqueue.dbuser

    def setUp(self):
        super(TestBugIDsFromChangesFile, self).setUp()
        self.changes = Changes({
            'Format': '1.8',
            'Source': 'swat',
            })

    def getBugIDs(self):
        """Serialize self.changes and use get_bug_ids_from_changes_file to
        extract bug IDs from it.
        """
        stream = StringIO()
        self.changes.dump(stream)
        stream.seek(0)
        return get_bug_ids_from_changes_file(stream)

    def test_no_bugs(self):
        # An empty list is returned if there are no bugs
        # mentioned.
        self.assertEqual([], self.getBugIDs())

    def test_invalid_bug_id(self):
        # Invalid bug ids (i.e. containing non-digit characters) are ignored.
        self.changes["Launchpad-Bugs-Fixed"] = "bla"
        self.assertEqual([], self.getBugIDs())

    def test_unknown_bug_id(self):
        # Unknown bug ids are passed through; they will be ignored later, by
        # close_bug_ids_for_sourcepackagerelease.
        self.changes["Launchpad-Bugs-Fixed"] = "45120"
        self.assertEqual([45120], self.getBugIDs())

    def test_valid_bug(self):
        # For valid bug ids the bug object is returned.
        bug = self.factory.makeBug()
        self.changes["Launchpad-Bugs-Fixed"] = "%d" % bug.id
        self.assertEqual([bug.id], self.getBugIDs())

    def test_case_sensitivity(self):
        # The spelling of Launchpad-Bugs-Fixed is case-insensitive.
        bug = self.factory.makeBug()
        self.changes["LaUnchpad-Bugs-fixed"] = "%d" % bug.id
        self.assertEqual([bug.id], self.getBugIDs())

    def test_multiple_bugs(self):
        # Multiple bug ids can be specified, separated by spaces.
        bug1 = self.factory.makeBug()
        bug2 = self.factory.makeBug()
        self.changes["Launchpad-Bugs-Fixed"] = "%d invalid %d" % (
            bug1.id, bug2.id)
        self.assertEqual([bug1.id, bug2.id], self.getBugIDs())
Ejemplo n.º 3
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def parse_changes(fname):
    """ Parse a .changes file named fname.

    Return {fname: parsed} """

    m = Changes(open(fname))

    wanted_fields = set(['Source', 'Version', 'Architecture', 'Distribution',
                         'Date', 'Maintainer', 'Description', 'Changes'])

    if not set(m.keys()).issuperset(wanted_fields):
        return None

    return {os.path.basename(fname): m}
Ejemplo n.º 4
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def parse_changes(fname):
    """ Parse a .changes file named fname.

    Return {fname: parsed} """

    m = Changes(open(fname))

    wanted_fields = set(['Source', 'Version', 'Architecture', 'Distribution',
                         'Date', 'Maintainer', 'Description', 'Changes'])

    if not set(m.keys()).issuperset(wanted_fields):
        return None

    return {os.path.basename(fname): m}
Ejemplo n.º 5
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 def getBaseBuildInfo(self):
     # XXX cjwatson 2017-03-20: This will need to be fleshed out if we
     # ever start doing non-trivial buildinfo parsing.
     # A Changes object is close enough.
     buildinfo = Changes()
     buildinfo["Format"] = "1.0"
     return buildinfo
Ejemplo n.º 6
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 def get_package_list(self: object):
     with open(self.changes_file_path, 'r') as f:
         changes = Changes(f)
     return [
         os.path.join(self.source_parent_dir, f['name'])
         for f in changes['Files']
     ]
Ejemplo n.º 7
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    def get_changes_file(self, dsc):
        changes = Changes(open(dsc))
        version = changes['Version'].split(':')[-1]

        fname = '%s_%s_%s.changes' % (changes['Source'], version,
                                      self.architecture)
        return fname
Ejemplo n.º 8
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def changes_filenames(changes_location):
    """Read the source filenames from a changes file."""
    with open(changes_location) as f:
        changes_contents = f.read()
    changes = Changes(changes_contents)
    for file_details in changes["files"]:
        yield file_details["name"]
Ejemplo n.º 9
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def find_changes(path):
    names = []
    source = None
    version = None
    distribution = None
    binary_packages = []
    for entry in os.scandir(path):
        if not entry.name.endswith(".changes"):
            continue
        with open(entry.path, "r") as f:
            changes = Changes(f)
            names.append(entry.name)
            if version is not None and changes["Version"] != version:
                raise InconsistentChangesFiles(names, 'Version',
                                               changes['Version'], version)
            version = changes['Version']
            if source is not None and changes['Source'] != source:
                raise InconsistentChangesFiles(names, 'Source',
                                               changes['Source'], source)
            source = changes['Source']
            if distribution is not None and changes[
                    "Distribution"] != distribution:
                raise InconsistentChangesFiles(names, 'Distribution',
                                               changes['Distribution'],
                                               distribution)
            distribution = changes['Distribution']
            binary_packages.extend([
                entry['name'].split('_')[0] for entry in changes['files']
                if entry['name'].endswith('.deb')
            ])
    if not names:
        raise NoChangesFile(path)
    return (names, source, version, distribution, binary_packages)
Ejemplo n.º 10
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def update_official_repository():
    """
    Update the official repository.
    """

    options = __get_options()

    official_repository_path = options['official_repository_path']
    build_path = options['build_path']
    binaries_build_path = os.path.join(build_path, 'binaries')

    changes_files = []

    for root, dirs, files in os.walk(binaries_build_path):
        changes_files.extend(
            os.path.join(root, _file)
            for _file in fnmatch.filter(files, '*.changes'))

    with lcd(official_repository_path):
        with settings(warn_only=True):

            for changes_file in changes_files:
                changes = Changes(open(changes_file))
                distribution = changes['Distribution']

                local(
                    'reprepro -b . include %(distribution)s %(changes_file)s' %
                    {
                        'distribution': distribution,
                        'changes_file': changes_file,
                    })

        local('reprepro -b . createsymlinks')
 def __init__(self, filename):
     try:
         self.filename = filename
         self.content = Changes(open(filename))
         self.folder = os.path.dirname(filename)
     except Exception, ex:
         raise Exception("Failed to load changes file %s.  [[%s]]" %
                         (filename, ex))
Ejemplo n.º 12
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async def put_changes_file(host: str, user: str, password: str, dist: str,
                           file: str):
    with open(file) as fh:
        changes = Changes(fh)

        dir: str = os.path.dirname(file)
        files: List[str] = [
            dir + "/" + file["name"] for file in changes["files"]
        ]

        await post_package_multipart(f"{host}/include/{dist}", "changes", file,
                                     files, user, password)
Ejemplo n.º 13
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def cross(envdir, changesfile, target_arch):
    with open(changesfile, 'r') as fh:
        changes = Changes(fh)

    new_debs = []
    removed_debs = []
    for fi in changes['Files']:
        print fi
        if _needs_crossing(fi):
            cross_deb_name = _cross_deb(envdir, changesfile, fi, target_arch)
            new_debs.append(cross_deb_name)
            if _cross_only(fi):
                removed_debs.append(fi)
    for cross_deb_name in new_debs:
        _add_deb(changes, cross_deb_name)
    for fileinfo in removed_debs:
        _remove_deb(changes, fileinfo)

    out = changesfile.stripext() + '.cross.changes'
    with open(out, 'w') as ofh:
        changes.dump(ofh)
    return out
Ejemplo n.º 14
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def cross(envdir, changesfile, target_arch):
    with open(changesfile, 'r') as fh:
        changes = Changes(fh)

    new_debs = []
    removed_debs = []
    for fi in changes['Files']:
        print fi
        if _needs_crossing(fi):
            cross_deb_name = _cross_deb(envdir, changesfile, fi, target_arch)
            new_debs.append(cross_deb_name)
            if _cross_only(fi):
                removed_debs.append(fi)
    for cross_deb_name in new_debs:
        _add_deb(changes, cross_deb_name)
    for fileinfo in removed_debs:
        _remove_deb(changes, fileinfo)

    out = changesfile.stripext() + '.cross.changes'
    with open(out, 'w') as ofh:
        changes.dump(ofh)
    return out
Ejemplo n.º 15
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 def test_run(self):
     # Running a job produces a notification.  Detailed tests of which
     # notifications go to whom live in the PackageUpload and
     # PackageUploadMailer tests.
     distroseries = self.factory.makeDistroSeries()
     creator = self.factory.makePerson()
     changes = Changes({"Changed-By": format_address_for_person(creator)})
     upload = self.factory.makePackageUpload(
         distroseries=distroseries,
         archive=distroseries.main_archive,
         changes_file_content=changes.dump().encode("UTF-8"))
     upload.addSource(self.factory.makeSourcePackageRelease())
     self.factory.makeComponentSelection(
         upload.distroseries, upload.sourcepackagerelease.component)
     upload.setAccepted()
     job = PackageUploadNotificationJob.create(upload,
                                               summary_text='Fake summary')
     with dbuser(job.config.dbuser):
         JobRunner([job]).runAll()
     [email] = pop_notifications()
     self.assertEqual(format_address_for_person(creator), email['To'])
     self.assertIn('(Accepted)', email['Subject'])
     self.assertIn('Fake summary', email.get_payload()[0].get_payload())
Ejemplo n.º 16
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    def make_changes_file_available(self, filename, owner=None):
        d = os.path.dirname(filename) or os.curdir

        with open(filename) as reader:
            changes = Changes(reader)

        to = self.new_directory()
        self.argv.append('--copy={}:{}'.format(
            filename, '{}/{}'.format(to, os.path.basename(filename))))

        for f in changes['files']:
            self.argv.append('--copy={}:{}'.format(
                os.path.join(d, f['name']), '{}/{}'.format(to, f['name'])))

        return to, os.path.basename(filename)
Ejemplo n.º 17
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    def get_debs(self, architecture):
        ret = set()

        for k, v in self.merged_changes.items():
            changes = Changes(open(v))

            for f in changes['files']:
                if (f['name'].endswith('_{}.deb'.format(architecture))
                        or f['name'].endswith('_all.deb')):
                    assert '/' not in f['name']
                    ret.add(
                        os.path.join(
                            os.path.dirname(v) or os.curdir,
                            f['name'],
                        ), )

        return sorted(ret)
Ejemplo n.º 18
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    def make_changes_file_available(self, filename, owner=None):
        d = os.path.dirname(filename) or os.curdir

        with open(filename) as reader:
            changes = Changes(reader)

        to = self.new_directory()
        files = [to, '{}/{}'.format(to, os.path.basename(filename))]
        self.copy_to_guest(filename, files[-1])

        for f in changes['files']:
            files.append('{}/{}'.format(to, f['name']))
            self.copy_to_guest(os.path.join(d, f['name']), files[-1])

        if owner is not None:
            self.check_call(['chown', owner] + files)

        return files[0], os.path.basename(filename)
Ejemplo n.º 19
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def _piuparts(
        things,
        *,
        architecture,
        mirrors,
        storage,
        suite,
        tarballs,
        vendor,
        worker,
        extra_repositories=()):
    binaries = []

    for thing in things:
        if os.path.exists(thing):
            if thing.endswith('.changes'):
                with open(thing) as reader:
                    c = Changes(reader)

                    for f in c['files']:
                        n = os.path.join(
                            os.path.dirname(thing) or os.curdir, f['name'],
                        )

                        if f['name'].endswith('.deb'):
                            binaries.append(Binary(n, deb=n))

            elif thing.endswith('.deb'):
                binaries.append(Binary(thing, deb=thing))
        else:
            binaries.append(Binary(thing))

    return run_piuparts(
        architecture=architecture,
        binaries=binaries,
        components=(),
        extra_repositories=extra_repositories,
        mirrors=mirrors,
        storage=storage,
        suite=suite,
        tarballs=tarballs,
        vendor=vendor,
        worker=worker,
    )
Ejemplo n.º 20
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def get_ubuntu_delta_changelog(srcpkg):
    '''
    Download the Ubuntu changelog and extract the entries since the last sync
    from Debian.
    '''
    archive = Distribution('ubuntu').getArchive()
    spph = archive.getPublishedSources(source_name=srcpkg.getPackageName(),
                                       exact_match=True, pocket='Release')
    debian_info = DebianDistroInfo()
    topline = re.compile(r'^(\w%(name_chars)s*) \(([^\(\) \t]+)\)'
                         r'((\s+%(name_chars)s+)+)\;'
                         % {'name_chars': '[-+0-9a-z.]'},
                         re.IGNORECASE)
    delta = []
    for record in spph:
        changes_url = record.changesFileUrl()
        if changes_url is None:
            # Native sync
            break
        try:
            response, body = Http().request(changes_url)
        except HttpLib2Error as e:
            Logger.error(str(e))
            break
        if response.status != 200:
            Logger.error("%s: %s %s", changes_url, response.status,
                         response.reason)
            break

        changes = Changes(Http().request(changes_url)[1])
        for line in changes['Changes'].splitlines():
            line = line[1:]
            m = topline.match(line)
            if m:
                distribution = m.group(3).split()[0].split('-')[0]
                if debian_info.valid(distribution):
                    break
            if line.startswith(u'  '):
                delta.append(line)
        else:
            continue
        break

    return '\n'.join(delta)
Ejemplo n.º 21
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 def getBaseChanges(self):
     contents = Changes()
     contents["Source"] = "mypkg"
     contents["Binary"] = "binary"
     contents["Date"] = "Fri, 25 Jun 2010 11:20:22 -0600"
     contents["Architecture"] = "i386"
     contents["Version"] = "0.1"
     contents["Distribution"] = "nifty"
     contents["Maintainer"] = "Somebody"
     contents["Changes"] = "Something changed"
     contents["Description"] = "\n An awesome package."
     contents["Changed-By"] = "Somebody <*****@*****.**>"
     contents["Files"] = [{
         "md5sum": "d2bd347b3fed184fe28e112695be491c",
         "size": "1791",
         "section": "python",
         "priority": "optional",
         "name": "dulwich_0.4.1-1_i386.deb"}]
     return contents
 def setUp(self):
     super(TestBugIDsFromChangesFile, self).setUp()
     self.changes = Changes({
         'Format': '1.8',
         'Source': 'swat',
     })
Ejemplo n.º 23
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def _autopkgtest(things,
                 *,
                 architecture,
                 built_binaries,
                 lxc_24bit_subnet,
                 lxc_worker,
                 mirrors,
                 modes,
                 qemu_ram_size,
                 schroot_worker,
                 storage,
                 suite,
                 vendor,
                 worker,
                 extra_repositories=()):
    binaries = []
    sources = []

    for thing in things:
        if os.path.exists(thing):
            if thing.endswith('.changes'):
                with open(thing) as reader:
                    c = Changes(reader)

                    for f in c['files']:
                        n = os.path.join(
                            os.path.dirname(thing) or os.curdir, f['name'])

                        if f['name'].endswith('.deb'):
                            binaries.append(n)
                        elif f['name'].endswith('.dsc'):
                            sources.append(Source(n, dsc=Dsc(open(n))))

            elif thing.endswith('.dsc'):
                sources.append(Source(thing, dsc=Dsc(open(thing))))

            elif thing.endswith('.deb'):
                binaries.append(thing)
        else:
            sources.append(Source(thing))

    failures = set()

    for source in sources:
        source_dsc = None
        source_package = None

        if source.dsc is not None:
            source_dsc = source.name
        else:
            source_package = source.name

        if built_binaries is None:
            built_binaries = not binaries

        for failure in run_autopkgtest(
                architecture=architecture,
                binaries=binaries,
                built_binaries=built_binaries,
                components=(),
                extra_repositories=extra_repositories,
                lxc_24bit_subnet=lxc_24bit_subnet,
                lxc_worker=lxc_worker,
                mirrors=mirrors,
                modes=modes,
                qemu_ram_size=qemu_ram_size,
                schroot_worker=schroot_worker,
                source_dsc=source_dsc,
                source_package=source_package,
                storage=storage,
                suite=suite,
                vendor=vendor,
                worker=worker,
        ):
            source.failures.append(failure)
            failures.add(source)

    return failures
Ejemplo n.º 24
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    def __init__(self, buildable, *, vendor):
        self.buildable = buildable

        self._product_prefix = None
        self.arch_wildcards = set()
        self.archs = []
        self.binary_packages = []
        self.changes_produced = {}
        self.dirname = None
        self.dsc = None
        self.dsc_name = None
        self.indep = False
        self.logs = {}
        self.merged_changes = OrderedDict()
        self.nominal_suite = None
        self.source_from_archive = False
        self.source_package = None
        self.sourceful_changes_name = None
        self.suite = None
        self.together_with = None
        self.vendor = vendor
        self._version = None

        if os.path.exists(self.buildable):
            if os.path.isdir(self.buildable):
                changelog = os.path.join(self.buildable, 'debian', 'changelog')
                changelog = Changelog(open(changelog))
                self.source_package = changelog.get_package()
                self.nominal_suite = changelog.distributions
                self._version = Version(changelog.version)
                control = os.path.join(self.buildable, 'debian', 'control')

                if len(changelog.distributions.split()) != 1:
                    raise ArgumentError('Cannot build for multiple '
                                        'distributions at once')

                for paragraph in Deb822.iter_paragraphs(open(control)):
                    self.arch_wildcards |= set(
                        paragraph.get('architecture', '').split())
                    binary = paragraph.get('package')

                if binary is not None:
                    self.binary_packages.append(binary)

            elif self.buildable.endswith('.changes'):
                self.dirname = os.path.dirname(self.buildable)
                self.sourceful_changes_name = self.buildable
                sourceful_changes = Changes(open(self.buildable))
                if 'source' not in sourceful_changes['architecture']:
                    raise ArgumentError('Changes file {!r} must be '
                                        'sourceful'.format(self.buildable))

                self.nominal_suite = sourceful_changes['distribution']

                for f in sourceful_changes['files']:
                    if f['name'].endswith('.dsc'):
                        if self.dsc_name is not None:
                            raise ArgumentError('Changes file {!r} contained '
                                                'more than one .dsc '
                                                'file'.format(self.buildable))

                        self.dsc_name = os.path.join(self.dirname, f['name'])

                if self.dsc_name is None:
                    raise ArgumentError('Changes file {!r} did not contain a '
                                        '.dsc file'.format(self.buildable))

                self.dsc = Dsc(open(self.dsc_name))

            elif self.buildable.endswith('.dsc'):
                self.dirname = os.path.dirname(self.buildable)
                self.dsc_name = self.buildable
                self.dsc = Dsc(open(self.dsc_name))

            else:
                raise ArgumentError('buildable must be .changes, .dsc or '
                                    'directory, not {!r}'.format(
                                        self.buildable))
        else:
            self.source_from_archive = True

            if '_' in self.buildable:
                source, version = self.buildable.split('_', 1)
            else:
                source = self.buildable
                version = None

            self.source_package = source
            if version is not None:
                self._version = Version(version)

        if self.dsc is not None:
            self.source_package = self.dsc['source']
            self._version = Version(self.dsc['version'])
            self.arch_wildcards = set(self.dsc['architecture'].split())
            self.binary_packages = [
                p.strip() for p in self.dsc['binary'].split(',')
            ]
Ejemplo n.º 25
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    def _sbuild(self, chroot, sbuild_options=()):
        sbuild_version = self.worker.dpkg_version('sbuild')

        # Backwards compatibility goo for Debian jessie buildd backport:
        # it can't do "sbuild hello", only "sbuild hello_2.10-1".
        if (self.buildable.source_from_archive
                and self.buildable.source_version is None
                and sbuild_version < Version('0.69.0')):
            lines = chroot.check_output(
                [
                    'sh',
                    '-c',
                    'apt-get update >&2 && '
                    '( apt-cache showsrc --only-source "$1" || '
                    '  apt-cache showsrc "$1" ) | '
                    'sed -ne "s/^Version: *//p"',
                    'sh',  # argv[0]
                    self.buildable.source_package,
                ],
                universal_newlines=True).strip().splitlines()
            self.buildable.source_version = sorted(map(Version, lines))[-1]
            self.buildable.buildable = '{}_{}'.format(
                self.buildable.source_package,
                self.buildable.source_version,
            )

        argv = [
            self.worker.command_wrapper,
            '--chdir',
            '{}/out'.format(self.worker.scratch),
            '--',
            'runuser',
            '-u',
            'sbuild',
            '--',
            'env',
        ]

        for k, v in sorted(self.environ.items()):
            argv.append('{}={}'.format(k, v))

        argv.extend((
            'sbuild',
            '-c',
            chroot.chroot,
            '-d',
            str(self.buildable.nominal_suite),
            '--no-run-lintian',
        ))

        if self.profiles:
            argv.append('--profiles={}'.format(','.join(self.profiles)))

        for x in self.dpkg_buildpackage_options:
            argv.append('--debbuildopt=' + x)

        for child in chroot.suite.hierarchy[:-1]:
            # The schroot already has the apt sources, we just need the
            # resolver
            if child.sbuild_resolver:
                argv.extend(child.sbuild_resolver)
                break

        if self.arch == 'all':
            logger.info('Architecture: all')
            argv.append('-A')

            # Backwards compatibility goo for Debian jessie buildd backport
            if sbuild_version < Version('0.69.0'):
                argv.append('--arch-all-only')
            else:
                argv.append('--no-arch-any')
        elif self.arch == self.buildable.indep_together_with:
            logger.info('Architecture: %s + all', self.arch)
            argv.append('-A')
            argv.append('--arch')
            argv.append(self.arch)
        elif self.arch == 'source':
            logger.info('Source-only')
            argv.append('--no-arch-any')

            if sbuild_version < Version('0.69.0'):
                # Backwards compatibility for Debian jessie buildd backport,
                # and for sbuild in Ubuntu xenial.

                # sbuild < 0.69.0 expects to find foo_1_amd64.changes
                # even for a source-only build (because it doesn't really
                # support source-only builds), so we have to cheat.
                perl = ("'" + '$arch = qx(dpkg\\x20--print-architecture);\n' +
                        'chomp($arch);\n' + 'chdir(shift);\n' +
                        'foreach(glob("../*_source.changes")) {\n' +
                        '    $orig = $_;\n' +
                        '    s/_source\\.changes$/_${arch}.changes/;\n' +
                        '    print("Renaming\\x20$orig\\x20to\\x20$_\\n");\n' +
                        '    rename($orig,$_) || die("$!");\n' + '}\n' + "'")

                argv.append(
                    '--finished-build-commands=perl -e {} %p'.format(perl))

        else:
            logger.info('Architecture: %s only', self.arch)
            argv.append('--arch')
            argv.append(self.arch)

        if self.arch in ('source', self.buildable.source_together_with):
            # Build a clean source package as a side-effect of one
            # build.
            argv.append('--source')

            for x in self.dpkg_source_options:
                argv.append('--debbuildopt=--source-option={}'.format(x))

        if self.buildable.binary_version_suffix:
            argv.append('--append-to-version={}'.format(
                self.buildable.binary_version_suffix))

        for x in sbuild_options:
            argv.append(x)

        if self.buildable.dsc_name is not None:
            if 'source' in self.buildable.changes_produced:
                # We rebuilt the source already. Use the rebuilt version
                # for all subsequent builds.
                argv.append('{}/out/{}'.format(
                    self.worker.scratch,
                    os.path.basename(self.buildable.dsc_name)))
            else:
                # We got a .dsc from outside Vectis and are not
                # rebuilding it.
                argv.append('{}/in/{}'.format(
                    self.worker.scratch,
                    os.path.basename(self.buildable.dsc_name)))
        elif self.buildable.source_from_archive:
            argv.append(self.buildable.buildable)
        else:
            # jessie sbuild doesn't support --no-clean-source so build
            # the temporary source package ourselves.
            ds_argv = [
                self.worker.command_wrapper,
                '--chdir',
                '{}/in/{}_source'.format(self.worker.scratch,
                                         self.buildable.product_prefix),
                '--',
                'dpkg-source',
            ]

            for x in self.dpkg_source_options:
                ds_argv.append(x)

            ds_argv.extend(('-b', '.'))
            self.worker.check_call(ds_argv)
            argv.append('{}/in/{}.dsc'.format(self.worker.scratch,
                                              self.buildable.product_prefix))

        logger.info('Running %r', argv)
        try:
            self.worker.check_call(argv)
        finally:
            # Note that we mix chroot.dpkg_architecture and arch here: an
            # Architecture: all build produces foo_1.2_amd64.build, which we
            # rename.
            # We also check for foo_amd64.build because
            # that's what comes out if we do "vectis sbuild --suite=sid hello".
            for prefix in (self.buildable.source_package,
                           self.buildable.product_prefix):
                product = '{}/out/{}_{}.build'.format(self.worker.scratch,
                                                      prefix,
                                                      chroot.dpkg_architecture)
                product = self.worker.check_output(
                    ['readlink', '-f', product],
                    universal_newlines=True).rstrip('\n')

                if (self.worker.call(['test', '-e', product]) == 0
                        and self.output_dir is not None):
                    logger.info('Copying %s back to host as %s_%s.build...',
                                product, self.buildable.product_prefix,
                                self.arch)
                    copied_back = os.path.join(
                        self.output_dir, '{}_{}_{}.build'.format(
                            self.buildable.product_prefix, self.arch,
                            time.strftime('%Y%m%dt%H%M%S', time.gmtime())))
                    self.worker.copy_to_host(product, copied_back)
                    self.buildable.logs[self.arch] = copied_back

                    symlink = os.path.join(
                        self.output_dir,
                        '{}_{}.build'.format(self.buildable.product_prefix,
                                             self.arch))
                    try:
                        os.remove(symlink)
                    except FileNotFoundError:
                        pass

                    os.symlink(os.path.abspath(copied_back), symlink)
                    break
            else:
                logger.warning('Did not find build log at %s', product)
                logger.warning(
                    'Possible build logs:\n%s',
                    self.worker.check_call([
                        'sh',
                        '-c',
                        'cd "$1"; ls -l *.build || :',
                        'sh',  # argv[0]
                        self.worker.scratch
                    ]))

        if self.arch == 'source' and self.buildable.source_from_archive:
            dscs = self.worker.check_output(
                [
                    'sh',
                    '-c',
                    'exec ls "$1"/out/*.dsc',
                    'sh',  # argv[0]
                    self.worker.scratch
                ],
                universal_newlines=True)

            dscs = dscs.splitlines()
            if len(dscs) != 1:
                raise CannotHappen('sbuild --source produced more than one '
                                   '.dsc file from {!r}'.format(
                                       self.buildable))

            product = dscs[0]

            with TemporaryDirectory(prefix='vectis-sbuild-') as tmp:
                copied_back = os.path.join(
                    tmp, '{}.dsc'.format(self.buildable.buildable))
                self.worker.copy_to_host(product, copied_back)

                self.buildable.dsc = Dsc(open(copied_back))
                self.buildable.source_package = self.buildable.dsc['source']
                self.buildable.source_version = Version(
                    self.buildable.dsc['version'])
                self.buildable.arch_wildcards = set(
                    self.buildable.dsc['architecture'].split())
                self.buildable.binary_packages = [
                    p.strip() for p in self.buildable.dsc['binary'].split(',')
                ]

        if self.arch == 'source' and self.output_dir is not None:
            # Make sure the orig.tar.* are in the out directory, because
            # we will be building from the rebuilt source in future
            self.worker.check_call([
                'sh',
                '-c',
                'ln -nsf "$1"/in/*.orig.tar.* "$1"/out/',
                'sh',  # argv[0]
                self.worker.scratch
            ])

        if self.output_dir is None:
            return

        product_arch = None

        for candidate in (self.arch, self.worker.dpkg_architecture):
            product = '{}/out/{}_{}.changes'.format(
                self.worker.scratch, self.buildable.product_prefix, candidate)
            if self.worker.call(['test', '-e', product]) == 0:
                product_arch = candidate
                break
        else:
            raise CannotHappen(
                'sbuild produced no .changes file from {!r}'.format(
                    self.buildable))

        copied_back = self.copy_back_product(
            '{}_{}.changes'.format(self.buildable.product_prefix,
                                   product_arch),
            '{}_{}.changes'.format(self.buildable.product_prefix, self.arch))

        if copied_back is not None:
            self.buildable.changes_produced[self.arch] = copied_back

            changes_out = Changes(open(copied_back))

            if 'source' in changes_out['architecture'].split():
                self.buildable.dsc_name = None
                self.buildable.sourceful_changes_name = copied_back

                for f in changes_out['files']:
                    if f['name'].endswith('.dsc'):
                        # expect to find exactly one .dsc file
                        assert self.buildable.dsc_name is None
                        self.buildable.dsc_name = os.path.join(
                            self.output_dir, f['name'])

                assert self.buildable.dsc_name is not None
                # Save some space
                self.worker.check_call([
                    'rm', '-fr',
                    '{}/in/{}_source/'.format(self.worker.scratch,
                                              self.buildable.product_prefix)
                ])

            dsc = None

            for f in changes_out['files']:
                copied_back = self.copy_back_product(f['name'])

                if copied_back is not None and f['name'].endswith('.dsc'):
                    dsc = Dsc(open(copied_back))

            if dsc is not None:
                if self.buildable.dsc is None:
                    self.buildable.dsc = dsc

                for f in dsc['files']:
                    # The orig.tar.* might not have come back. Copy that too,
                    # if necessary.
                    self.copy_back_product(f['name'], skip_if_exists=True)
 def setUp(self):
     super(TestBugIDsFromChangesFile, self).setUp()
     self.changes = Changes({
         'Format': '1.8',
         'Source': 'swat',
         })
Ejemplo n.º 27
0
    def run(self,
            spec_id,
            package,
            version,
            distribution,
            component,
            task_arch_list,
            section=None,
            priority=None):

        version = version.split(':')[-1]

        repo_log = []
        arch = None
        try:
            # Install source
            dsc = '%s_%s.dsc' % (package, version)
            dsc_file = os.path.join(settings.INCOMING, str(spec_id), 'source',
                                    dsc)
            cmd = [
                'reprepro', '-VVV', '-b', settings.REPO_DIR, '-C', component
            ]
            if priority is not None:
                cmd += ['-P', priority]
            if section is not None:
                cmd += ['-S', section]
            cmd += ['includedsc', distribution, dsc_file]
            self.execute_cmd(cmd, repo_log)

            # Add deb for each architecture
            for index, task_arch in enumerate(task_arch_list):
                task_id, arch = task_arch

                changes = '%s_%s_%s.changes' % (package, version, arch)
                changes_file = os.path.join(settings.INCOMING, str(spec_id),
                                            task_id, changes)

                # Install binary packages only
                files = {'.deb': [], '.udeb': []}
                c = Changes(open(changes_file))
                for info in c['Files']:
                    fname = info['name']
                    name, ext = os.path.splitext(fname)

                    # Only accept .deb and .udeb
                    if not ext in ['.deb', '.udeb']:
                        continue

                    if index == 0 or fname.endswith('_%s.deb' % arch) \
                       or fname.endswith('_%s.udeb' % arch):
                        # Only first listed architecture installs
                        # architecture independent (*_all.deb/*_all.udeb) packages
                        files[ext].append(fname)

                for ext in files:
                    action = 'includedeb'
                    if ext == '.udeb':
                        action = 'includeudeb'

                    debs = [
                        os.path.join(settings.INCOMING, str(spec_id), task_id,
                                     deb) for deb in files[ext]
                    ]
                    if len(debs) > 0:

                        cmd = 'reprepro -VVV -b %s -C %s %s %s' % \
                              (settings.REPO_DIR, component, action, distribution)
                        cmd = cmd.split() + debs
                        self.execute_cmd(cmd, repo_log)

                manager.update_status(spec_id, manager.SUCCESS, arch)

            # Report all done
            manager.update_status(spec_id, manager.COMPLETE)

        except (RepoBuildError, StandardError), e:
            self.get_logger().error('[%s] %s' % (spec_id, str(e)))
            manager.update_status(spec_id, manager.FAILURE, arch)
Ejemplo n.º 28
0
    def __init__(self,
                 buildable,
                 *,
                 binary_version_suffix='',
                 link_builds=(),
                 orig_dirs=('..', ),
                 output_dir=None,
                 output_parent,
                 vendor):
        self.buildable = buildable

        self._product_prefix = None
        self._source_version = None
        self.arch_wildcards = set()
        self.archs = []
        self.autopkgtest_failures = []
        self.binary_packages = []
        self.binary_version_suffix = binary_version_suffix
        self.changes_produced = {}
        self.dirname = None
        self.dsc = None
        self.dsc_name = None
        self.indep = False
        self.indep_together_with = None
        self.link_builds = link_builds
        self.logs = {}
        self.merged_changes = OrderedDict()
        self.nominal_suite = None
        self.orig_dirs = orig_dirs
        self.output_dir = output_dir
        self.piuparts_failures = []
        self.source_from_archive = False
        self.source_package = None
        self.source_together_with = None
        self.sourceful_changes_name = None
        self.suite = None
        self.vendor = vendor

        if os.path.exists(self.buildable):
            if os.path.isdir(self.buildable):
                changelog = os.path.join(self.buildable, 'debian', 'changelog')
                changelog = Changelog(open(changelog))
                self.source_package = changelog.get_package()
                self.nominal_suite = changelog.distributions
                self._source_version = Version(changelog.version)
                control = os.path.join(self.buildable, 'debian', 'control')

                if len(changelog.distributions.split()) != 1:
                    raise ArgumentError(
                        'Cannot build for multiple distributions at once')

                for paragraph in Deb822.iter_paragraphs(open(control)):
                    self.arch_wildcards |= set(
                        paragraph.get('architecture', '').split())
                    binary = paragraph.get('package')

                    if binary is not None:
                        self.binary_packages.append(binary)

            elif self.buildable.endswith('.changes'):
                self.dirname = os.path.dirname(self.buildable) or os.curdir
                self.sourceful_changes_name = self.buildable
                sourceful_changes = Changes(open(self.buildable))
                if 'source' not in sourceful_changes['architecture'].split():
                    raise ArgumentError(
                        'Changes file {!r} must be sourceful'.format(
                            self.buildable))

                self.nominal_suite = sourceful_changes['distribution']

                for f in sourceful_changes['files']:
                    if f['name'].endswith('.dsc'):
                        if self.dsc_name is not None:
                            raise ArgumentError(
                                'Changes file {!r} contained more than one '
                                '.dsc file'.format(self.buildable))

                        self.dsc_name = os.path.join(self.dirname, f['name'])

                if self.dsc_name is None:
                    raise ArgumentError(
                        'Changes file {!r} did not contain a .dsc file'.format(
                            self.buildable))

                self.dsc = Dsc(open(self.dsc_name))

            elif self.buildable.endswith('.dsc'):
                self.dirname = os.path.dirname(self.buildable) or os.curdir
                self.dsc_name = self.buildable
                self.dsc = Dsc(open(self.dsc_name))

            else:
                raise ArgumentError(
                    'buildable must be .changes, .dsc or directory, not '
                    '{!r}'.format(self.buildable))
        else:
            self.source_from_archive = True

            if '_' in self.buildable:
                source, version = self.buildable.split('_', 1)
            else:
                source = self.buildable
                version = None

            self.source_package = source
            if version is not None:
                self._source_version = Version(version)

        if self.dsc is not None:
            self.source_package = self.dsc['source']
            self._source_version = Version(self.dsc['version'])
            self.arch_wildcards = set(self.dsc['architecture'].split())
            self.binary_packages = [
                p.strip() for p in self.dsc['binary'].split(',')
            ]

        if self._source_version is not None:
            self._binary_version = Version(
                str(self._source_version) + self.binary_version_suffix)

        timestamp = time.strftime('%Y%m%dt%H%M%S', time.gmtime())

        if self.output_dir is None:
            if self._binary_version is None:
                dirname = '{}_{}'.format(self.source_package, timestamp)
            else:
                dirname = '{}_{}_{}'.format(self.source_package,
                                            self._binary_version, timestamp)

            self.output_dir = os.path.join(output_parent, dirname)

            # For convenience, create a symbolic link for the latest build of
            # each source package: hello_latest -> hello_2.10-1_20170319t102623
            unversioned_symlink = os.path.join(output_parent,
                                               self.source_package + '_latest')

            with suppress(FileNotFoundError):
                os.unlink(unversioned_symlink)

            os.symlink(dirname, unversioned_symlink)

            # If we know the version, also create a symbolic link for the
            # latest build of each source/version pair:
            # hello_2.10-1 -> hello_2.10-1_20170319t102623
            if self._binary_version is not None:
                versioned_symlink = os.path.join(
                    output_parent, '{}_{}'.format(self.source_package,
                                                  self._binary_version))

                with suppress(FileNotFoundError):
                    os.unlink(versioned_symlink)

                os.symlink(dirname, versioned_symlink)

        # It's OK if the output directory exists but is empty.
        with suppress(FileNotFoundError):
            os.rmdir(self.output_dir)

        # Otherwise, if someone already created this, we'll just crash out.
        os.mkdir(self.output_dir)

        if self.dsc is not None:
            abs_file = os.path.abspath(self.dsc_name)
            abs_dir, base = os.path.split(abs_file)
            os.symlink(abs_file, os.path.join(self.output_dir, base))

            for l in self.link_builds:
                symlink = os.path.join(l, base)

                with suppress(FileNotFoundError):
                    os.unlink(symlink)

                os.symlink(abs_file, symlink)

            for f in self.dsc['files']:
                abs_file = os.path.join(abs_dir, f['name'])
                os.symlink(abs_file, os.path.join(self.output_dir, f['name']))

                for l in self.link_builds:
                    symlink = os.path.join(l, f['name'])

                    with suppress(FileNotFoundError):
                        os.unlink(symlink)

                    os.symlink(abs_file, symlink)
Ejemplo n.º 29
0
    def sbuild(self):
        self.worker.check_call([
            'install', '-d', '-m755', '-osbuild', '-gsbuild',
            '{}/out'.format(self.worker.scratch)
        ])

        sbuild_version = Version(
            self.worker.check_output(
                ['dpkg-query', '-W', '-f${Version}', 'sbuild'],
                universal_newlines=True).rstrip('\n'))

        logger.info('Building architecture: %s', self.arch)

        if self.arch in ('all', 'source'):
            logger.info('(on %s)', self.worker.dpkg_architecture)
            use_arch = self.worker.dpkg_architecture
        else:
            use_arch = self.arch

        hierarchy = self.suite.hierarchy

        sbuild_tarball = ('sbuild-{vendor}-{base}-{arch}.tar.gz'.format(
            arch=use_arch,
            vendor=self.buildable.vendor,
            base=hierarchy[-1],
        ))

        self.worker.copy_to_guest(os.path.join(self.storage, sbuild_tarball),
                                  '{}/in/{}'.format(self.worker.scratch,
                                                    sbuild_tarball),
                                  cache=True)

        chroot = '{base}-{arch}-sbuild'.format(base=hierarchy[-1],
                                               arch=use_arch)

        with TemporaryDirectory() as tmp:
            with AtomicWriter(os.path.join(tmp, 'sbuild.conf')) as writer:
                writer.write(
                    textwrap.dedent('''
                [{chroot}]
                type=file
                description=An autobuilder
                file={scratch}/in/{sbuild_tarball}
                groups=root,sbuild
                root-groups=root,sbuild
                profile=sbuild
                ''').format(chroot=chroot,
                            sbuild_tarball=sbuild_tarball,
                            scratch=self.worker.scratch))
            self.worker.copy_to_guest(
                os.path.join(tmp, 'sbuild.conf'),
                '/etc/schroot/chroot.d/{}'.format(chroot))

        # Backwards compatibility goo for Debian jessie buildd backport:
        # it can't do "sbuild hello", only "sbuild hello_2.10-1"
        if (self.buildable.source_from_archive
                and self.buildable.version is None
                and sbuild_version < Version('0.69.0')):
            lines = self.worker.check_output(
                [
                    'schroot',
                    '-c',
                    chroot,
                    '--',
                    'sh',
                    '-c',
                    'apt-get update >&2 && '
                    'apt-cache showsrc --only-source "$1" | '
                    'sed -ne "s/^Version: *//p"',
                    'sh',  # argv[0]
                    self.buildable.source_package
                ],
                universal_newlines=True).strip().splitlines()
            self.buildable.version = sorted(map(Version, lines))[-1]
            self.buildable.buildable = '{}_{}'.format(
                self.buildable.source_package,
                self.buildable.version,
            )

        argv = [
            self.worker.command_wrapper,
            '--chdir',
            '{}/out'.format(self.worker.scratch),
            '--',
            'runuser',
            '-u',
            'sbuild',
            '--',
            'sbuild',
            '-c',
            chroot,
            '-d',
            str(self.buildable.nominal_suite),
            '--no-run-lintian',
        ]

        for x in self.dpkg_buildpackage_options:
            argv.append('--debbuildopt=' + x)

        for x in self.dpkg_source_options:
            argv.append('--dpkg-source-opt=' + x)

        for child in hierarchy[:-1]:
            argv.append('--extra-repository')
            argv.append('deb {} {} {}'.format(
                child.mirror, child.apt_suite, ' '.join(
                    set(self.components or child.components)
                    & child.all_components)))

            if child.sbuild_resolver:
                argv.extend(child.sbuild_resolver)

        for x in self.extra_repositories:
            argv.append('--extra-repository')
            argv.append(x)

        if self.arch == 'all':
            logger.info('Architecture: all')
            argv.append('-A')

            # Backwards compatibility goo for Debian jessie buildd backport
            if sbuild_version < Version('0.69.0'):
                argv.append('--arch-all-only')
            else:
                argv.append('--no-arch-any')
        elif self.arch == self.buildable.together_with:
            logger.info('Architecture: %s + all', self.arch)
            argv.append('-A')
            argv.append('--arch')
            argv.append(self.arch)
        elif self.arch == 'source':
            logger.info('Source-only')

            # Backwards compatibility goo for Debian jessie buildd backport
            if sbuild_version < Version('0.69.0'):
                # If we only build 'all', and we don't build 'all',
                # then logically we build nothing (except source).
                argv.append('--arch-all-only')
                argv.append('--no-arch-all')
                # Urgh. This sbuild expects to find foo_1_amd64.changes
                # even for a source-only build (because it doesn't really
                # support source-only builds), so we have to cheat.
                # sbuild splits the command on spaces so we need to have
                # a one-liner that doesn't contain embedded whitespace.
                # Luckily, Perl can be written as line-noise.
                argv.append('--finished-build-commands=perl -e ' +
                            '$arch=qx(dpkg\\x20--print-architecture);' +
                            'chomp($arch);' + 'chdir(shift);' +
                            'foreach(glob("../*_source.changes")){' +
                            '$orig=$_;' +
                            's/_source\\.changes$/_${arch}.changes/;' +
                            'print("Renaming\\x20$orig\\x20to\\x20$_\\n");' +
                            'rename($orig,$_)||die("$!");' + '}' + ' %p')
            else:
                argv.append('--no-arch-any')

            argv.append('--source')
        else:
            logger.info('Architecture: %s only', self.arch)
            argv.append('--arch')
            argv.append(self.arch)

        if self.buildable.dsc_name is not None:
            if 'source' in self.buildable.changes_produced:
                argv.append('{}/out/{}'.format(
                    self.worker.scratch,
                    os.path.basename(self.buildable.dsc_name)))
            else:
                argv.append('{}/in/{}'.format(
                    self.worker.scratch,
                    os.path.basename(self.buildable.dsc_name)))
        elif self.buildable.source_from_archive:
            argv.append(self.buildable.buildable)
        else:
            # Build a clean source package as a side-effect of the first
            # build (in practice this will be the 'source' build).
            if '--source' not in argv:
                argv.append('--source')

            # jessie sbuild doesn't support --no-clean-source so build
            # the temporary source package ourselves.
            self.worker.check_call([
                self.worker.command_wrapper, '--chdir',
                '{}/in/{}_source'.format(self.worker.scratch,
                                         self.buildable.product_prefix), '--',
                'dpkg-source', '-b', '.'
            ])

            argv.append('{}/in/{}.dsc'.format(self.worker.scratch,
                                              self.buildable.product_prefix))

        logger.info('Running %r', argv)
        try:
            self.worker.check_call(argv)
        finally:
            # Note that we mix use_arch and arch here: an Architecture: all
            # build produces foo_1.2_amd64.build, which we rename.
            # We also check for foo_amd64.build because
            # that's what comes out if we do "vectis sbuild --suite=sid hello".
            for prefix in (self.buildable.source_package,
                           self.buildable.product_prefix):
                product = '{}/out/{}_{}.build'.format(self.worker.scratch,
                                                      prefix, use_arch)
                product = self.worker.check_output(
                    ['readlink', '-f', product],
                    universal_newlines=True).rstrip('\n')

                if (self.worker.call(['test', '-e', product]) == 0
                        and self.output_builds is not None):
                    logger.info('Copying %s back to host as %s_%s.build...',
                                product, self.buildable.product_prefix,
                                self.arch)
                    copied_back = os.path.join(
                        self.output_builds, '{}_{}_{}.build'.format(
                            self.buildable.product_prefix, self.arch,
                            time.strftime('%Y%m%dt%H%M%S', time.gmtime())))
                    self.worker.copy_to_host(product, copied_back)
                    self.buildable.logs[self.arch] = copied_back

                    symlink = os.path.join(
                        self.output_builds,
                        '{}_{}.build'.format(self.buildable.product_prefix,
                                             self.arch))
                    try:
                        os.remove(symlink)
                    except FileNotFoundError:
                        pass

                    os.symlink(os.path.abspath(copied_back), symlink)
                    break
            else:
                logger.warning('Did not find build log at %s', product)
                logger.warning(
                    'Possible build logs:\n%s',
                    self.worker.check_call([
                        'sh',
                        '-c',
                        'cd "$1"; ls -l *.build || :',
                        'sh',  # argv[0]
                        self.worker.scratch
                    ]))

        if self.arch == 'source' and self.buildable.source_from_archive:
            dscs = self.worker.check_output(
                [
                    'sh',
                    '-c',
                    'exec ls "$1"/out/*.dsc',
                    'sh',  # argv[0]
                    self.worker.scratch
                ],
                universal_newlines=True)

            dscs = dscs.splitlines()
            if len(dscs) != 1:
                raise CannotHappen('sbuild --source produced more than one '
                                   '.dsc file from {!r}'.format(
                                       self.buildable))

            product = dscs[0]

            with TemporaryDirectory() as tmp:
                copied_back = os.path.join(
                    tmp, '{}.dsc'.format(self.buildable.buildable))
                self.worker.copy_to_host(product, copied_back)

                self.buildable.dsc = Dsc(open(copied_back))
                self.buildable.source_package = self.buildable.dsc['source']
                self.buildable.version = Version(self.buildable.dsc['version'])
                self.buildable.arch_wildcards = set(
                    self.buildable.dsc['architecture'].split())
                self.buildable.binary_packages = [
                    p.strip() for p in self.buildable.dsc['binary'].split(',')
                ]

        if self.arch == 'source' and self.output_builds is not None:
            # Make sure the orig.tar.* are in the out directory, because
            # we will be building from the rebuilt source in future
            self.worker.check_call([
                'sh',
                '-c',
                'ln -nsf "$1"/in/*.orig.tar.* "$1"/out/',
                'sh',  # argv[0]
                self.worker.scratch
            ])

        if self.output_builds is None:
            return

        for product_arch in (self.arch, self.worker.dpkg_architecture):
            product = '{}/out/{}_{}.changes'.format(
                self.worker.scratch, self.buildable.product_prefix,
                product_arch)
            if self.worker.call(['test', '-e', product]) == 0:
                break
        else:
            raise CannotHappen('sbuild produced no .changes file from '
                               '{!r}'.format(self.buildable))

        logger.info('Copying %s back to host...', product)
        copied_back = os.path.join(
            self.output_builds,
            '{}_{}.changes'.format(self.buildable.product_prefix, self.arch))
        self.worker.copy_to_host(product, copied_back)
        self.buildable.changes_produced[self.arch] = copied_back

        changes_out = Changes(open(copied_back))

        if self.arch == 'source':
            self.buildable.dsc_name = None
            self.buildable.sourceful_changes_name = copied_back

            for f in changes_out['files']:
                if f['name'].endswith('.dsc'):
                    # expect to find exactly one .dsc file
                    assert self.buildable.dsc_name is None
                    self.buildable.dsc_name = os.path.join(
                        self.output_builds, f['name'])

            assert self.buildable.dsc_name is not None
            # Save some space
            self.worker.check_call([
                'rm', '-fr',
                '{}/in/{}_source/'.format(self.worker.scratch,
                                          self.buildable.product_prefix)
            ])

        for f in changes_out['files']:
            assert '/' not in f['name']
            assert not f['name'].startswith('.')

            logger.info('Additionally copying %s back to host...', f['name'])
            product = '{}/out/{}'.format(self.worker.scratch, f['name'])
            copied_back = os.path.join(self.output_builds, f['name'])
            self.worker.copy_to_host(product, copied_back)