Exemplo n.º 1
0
def _read_config_file(path):
    """Read all the data files under a given path."""
    try:
        for fs_obj in iter_scan(path, follow_symlinks=True):
            if not fs_obj.is_reg or '/.' in fs_obj.location:
                continue
            for lineno, line, in iter_read_bash(
                    fs_obj.location, allow_line_cont=True, enum_line=True):
                yield line, lineno, fs_obj.location
    except FileNotFoundError:
        pass
    except EnvironmentError as e:
        raise Failure(f"failed reading {filename!r}: {e}") from e
Exemplo n.º 2
0
 def _configure_repo(self, repo):
     """Configure a raw repo."""
     configured_repo = repo
     if not repo.configured:
         pargs = [repo]
         try:
             for x in repo.configurables:
                 if x == "domain":
                     pargs.append(self)
                 elif x == "settings":
                     pargs.append(self.settings)
                 elif x == "profile":
                     pargs.append(self.profile)
                 else:
                     pargs.append(getattr(self, x))
         except AttributeError as e:
             raise Failure(
                 f"failed configuring repo {repo!r}: "
                 f"configurable missing: {e}") from e
         configured_repo = repo.configure(*pargs)
     return configured_repo
Exemplo n.º 3
0
 def arch(self):
     if "ARCH" not in self.settings:
         raise Failure("No ARCH setting detected from profile, or user config")
     return self.settings['ARCH']
Exemplo n.º 4
0
    def settings(self):
        settings = self._settings
        if 'CHOST' in settings and 'CBUILD' not in settings:
            settings['CBUILD'] = settings['CHOST']

        # if unset, MAKEOPTS defaults to CPU thread count
        if 'MAKEOPTS' not in settings:
            settings['MAKEOPTS'] = '-j%i' % cpu_count()

        # reformat env.d and make.conf incrementals
        system_profile_settings = {}
        for x in const.incrementals:
            system_profile_val = self.system_profile.get(x, ())
            make_conf_val = settings.get(x, ())
            if isinstance(system_profile_val, str):
                system_profile_val = tuple(system_profile_val.split())
            if isinstance(make_conf_val, str):
                make_conf_val = tuple(make_conf_val.split())
            system_profile_settings[x] = system_profile_val
            settings[x] = make_conf_val

        # roughly... all incremental stacks should be interpreted left -> right
        # as such we start with the env.d settings, append profile settings,
        # and finally append make.conf settings onto that.
        for k, v in self.profile.default_env.items():
            if k not in settings:
                settings[k] = v
                continue
            if k in const.incrementals:
                settings[k] = system_profile_settings[k] + v + settings[k]

        # next we finalize incrementals.
        for incremental in const.incrementals:
            # Skip USE/ACCEPT_LICENSE for the time being; hack; we need the
            # negations currently so that pkg iuse induced enablings can be
            # disabled by negations. For example, think of the profile doing
            # USE=-cdr for brasero w/ IUSE=+cdr. Similarly, ACCEPT_LICENSE is
            # skipped because negations are required for license filtering.
            if incremental not in settings or incremental in ("USE", "ACCEPT_LICENSE"):
                continue
            s = set()
            incremental_expansion(
                s, settings[incremental],
                f'while expanding {incremental}')
            settings[incremental] = tuple(s)

        if 'ACCEPT_KEYWORDS' not in settings:
            raise Failure("No ACCEPT_KEYWORDS setting detected from profile, "
                          "or user config")
        s = set()
        default_keywords = []
        incremental_expansion(
            s, settings['ACCEPT_KEYWORDS'],
            'while expanding ACCEPT_KEYWORDS')
        default_keywords.extend(s)
        settings['ACCEPT_KEYWORDS'] = set(default_keywords)

        # pull trigger options from the env
        self._triggers = GenerateTriggers(self, settings)

        return ImmutableDict(settings)
Exemplo n.º 5
0
    def __init__(self,
                 profile,
                 repositories,
                 vdb,
                 name=None,
                 root='/',
                 config_dir='/etc/portage',
                 prefix='/',
                 incrementals=const.incrementals,
                 triggers=(),
                 **settings):
        # voodoo, unfortunately (so it goes)
        # break this up into chunks once it's stabilized (most of code
        # here has already, but still more to add)
        self._triggers = triggers
        self.name = name

        # prevent critical variables from being changed in make.conf
        for k in profile.profile_only_variables.intersection(settings.keys()):
            del settings[k]

        if 'CHOST' in settings and 'CBUILD' not in settings:
            settings['CBUILD'] = settings['CHOST']

        # if unset, MAKEOPTS defaults to CPU thread count
        if 'MAKEOPTS' not in settings:
            settings['MAKEOPTS'] = '-j%i' % cpu_count()

        # map out sectionname -> config manager immediately.
        repositories_collapsed = [r.collapse() for r in repositories]
        repositories = [r.instantiate() for r in repositories_collapsed]

        self.fetcher = settings.pop("fetcher")

        self.default_licenses_manager = OverlayedLicenses(*repositories)
        vdb_collapsed = [r.collapse() for r in vdb]
        vdb = [r.instantiate() for r in vdb_collapsed]
        self.repos_raw = {
            collapsed.name: repo
            for (collapsed, repo) in izip(repositories_collapsed, repositories)
        }
        self.repos_raw.update(
            (collapsed.name, repo)
            for (collapsed, repo) in izip(vdb_collapsed, vdb))
        self.repos_raw.pop(None, None)
        if profile.provides_repo is not None:
            self.repos_raw['package.provided'] = profile.provides_repo
            vdb.append(profile.provides_repo)

        self.profile = profile
        pkg_masks, pkg_unmasks, pkg_keywords, pkg_licenses = [], [], [], []
        pkg_use, self.bashrcs = [], []

        self.ebuild_hook_dir = settings.pop("ebuild_hook_dir", None)

        # TODO: split this out into properties similar to what's done for profiles
        for key, val, action in (
            ("package.mask", pkg_masks, parse_match),
            ("package.unmask", pkg_unmasks, parse_match),
            ("package.keywords", pkg_keywords, package_keywords_splitter),
            ("package.accept_keywords", pkg_keywords,
             package_keywords_splitter),
            ("package.license", pkg_licenses, package_keywords_splitter),
            ("package.use", pkg_use, package_keywords_splitter),
            ("package.env", self.bashrcs, package_env_splitter),
        ):

            for fp in settings.pop(key, ()):
                try:
                    if key == "package.env":
                        base = self.ebuild_hook_dir
                        if base is None:
                            base = os.path.dirname(fp)
                        action = partial(action, base)
                    for fs_obj in iter_scan(fp, follow_symlinks=True):
                        if not fs_obj.is_reg or '/.' in fs_obj.location:
                            continue
                        val.extend(
                            action(x)
                            for x in iter_read_bash(fs_obj.location,
                                                    allow_line_cont=True))
                except EnvironmentError as e:
                    if e.errno == errno.ENOENT:
                        raise MissingFile(fp, key)
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))
                except ValueError as e:
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))

        for x in incrementals:
            if isinstance(settings.get(x), basestring):
                settings[x] = tuple(settings[x].split())

        # roughly... all incremental stacks should be interpreted left -> right
        # as such we start with the profile settings, and append ours onto it.
        for k, v in profile.default_env.iteritems():
            if k not in settings:
                settings[k] = v
                continue
            if k in incrementals:
                settings[k] = v + tuple(settings[k])

        # next we finalize incrementals.
        for incremental in incrementals:
            # Skip USE/ACCEPT_LICENSE for the time being; hack; we need the
            # negations currently so that pkg iuse induced enablings can be
            # disabled by negations. For example, think of the profile doing
            # USE=-cdr for brasero w/ IUSE=+cdr. Similarly, ACCEPT_LICENSE is
            # skipped because negations are required for license filtering.
            if incremental not in settings or incremental in (
                    "USE", "ACCEPT_LICENSE"):
                continue
            s = set()
            incremental_expansion(s, settings[incremental],
                                  'while expanding %s' % (incremental, ))
            settings[incremental] = tuple(s)

        # append expanded use, FEATURES, and environment defined USE flags
        self.use = list(settings.get('USE',
                                     ())) + list(profile.expand_use(settings))
        self._extend_use_for_features(settings.get("FEATURES", ()))
        self.use = settings['USE'] = set(
            optimize_incrementals(self.use +
                                  os.environ.get('USE', '').split()))

        if 'ACCEPT_KEYWORDS' not in settings:
            raise Failure("No ACCEPT_KEYWORDS setting detected from profile, "
                          "or user config")
        s = set()
        default_keywords = []
        incremental_expansion(s, settings['ACCEPT_KEYWORDS'],
                              'while expanding ACCEPT_KEYWORDS')
        default_keywords.extend(s)
        settings['ACCEPT_KEYWORDS'] = set(default_keywords)

        if "ARCH" not in settings:
            raise Failure(
                "No ARCH setting detected from profile, or user config")

        self.arch = self.stable_arch = settings["ARCH"]
        self.unstable_arch = "~%s" % self.arch

        # ~amd64 -> [amd64, ~amd64]
        for x in default_keywords[:]:
            if x.startswith("~"):
                default_keywords.append(x.lstrip("~"))
        default_keywords = unstable_unique(default_keywords + [self.arch])

        accept_keywords = pkg_keywords + list(profile.accept_keywords)
        vfilters = [
            self.make_keywords_filter(self.arch,
                                      default_keywords,
                                      accept_keywords,
                                      profile.keywords,
                                      incremental="package.keywords"
                                      in incrementals)
        ]

        del default_keywords, accept_keywords

        # we can finally close that fricking
        # "DISALLOW NON FOSS LICENSES" bug via this >:)
        master_license = []
        master_license.extend(settings.get('ACCEPT_LICENSE', ()))
        if master_license or pkg_licenses:
            vfilters.append(
                self.make_license_filter(master_license, pkg_licenses))

        del master_license

        # if it's made it this far...

        self.root = settings["ROOT"] = root
        self.config_dir = config_dir
        self.prefix = prefix
        self.settings = ProtectedDict(settings)

        for data in self.settings.get('bashrc', ()):
            source = local_source(data)
            # this is currently local-only so a path check is ok
            # TODO make this more general
            if not os.path.exists(source.path):
                raise Failure('user-specified bashrc %r does not exist' %
                              (data, ))
            self.bashrcs.append((packages.AlwaysTrue, source))

        # stack use stuff first, then profile.
        self.enabled_use = ChunkedDataDict()
        self.enabled_use.add_bare_global(*split_negations(self.use))
        self.enabled_use.merge(profile.pkg_use)
        self.enabled_use.update_from_stream(
            chunked_data(k, *split_negations(v)) for k, v in pkg_use)

        for attr in ('', 'stable_'):
            c = ChunkedDataDict()
            c.merge(getattr(profile, attr + 'forced_use'))
            c.add_bare_global((), (self.arch, ))
            setattr(self, attr + 'forced_use', c)

            c = ChunkedDataDict()
            c.merge(getattr(profile, attr + 'masked_use'))
            setattr(self, attr + 'disabled_use', c)

        self.repos = []
        self.vdb = []
        self.repos_configured = {}
        self.repos_configured_filtered = {}

        rev_names = {repo: name for name, repo in self.repos_raw.iteritems()}

        profile_masks = profile._incremental_masks()
        profile_unmasks = profile._incremental_unmasks()
        repo_masks = {
            r.repo_id: r._visibility_limiters()
            for r in repositories
        }

        for l, repos, filtered in ((self.repos, repositories, True),
                                   (self.vdb, vdb, False)):
            for repo in repos:
                if not repo.configured:
                    pargs = [repo]
                    try:
                        for x in repo.configurables:
                            if x == "domain":
                                pargs.append(self)
                            elif x == "settings":
                                pargs.append(settings)
                            elif x == "profile":
                                pargs.append(profile)
                            else:
                                pargs.append(getattr(self, x))
                    except AttributeError as ae:
                        raise_from(
                            Failure("failed configuring repo '%s': "
                                    "configurable missing: %s" % (repo, ae)))
                    wrapped_repo = repo.configure(*pargs)
                else:
                    wrapped_repo = repo
                key = rev_names.get(repo)
                self.repos_configured[key] = wrapped_repo
                if filtered:
                    config = getattr(repo, 'config', None)
                    masters = getattr(config, 'masters', ())
                    if masters is None:
                        # tough cookies.  If a user has an overlay, no masters
                        # defined, we're not applying the portdir masks.
                        # we do this both since that's annoying, and since
                        # frankly there isn't any good course of action.
                        masters = ()
                    global_masks = [
                        repo_masks.get(master, [(), ()]) for master in masters
                    ]
                    global_masks.append(repo_masks[repo.repo_id])
                    global_masks.extend(profile_masks)
                    masks = set()
                    for neg, pos in global_masks:
                        masks.difference_update(neg)
                        masks.update(pos)
                    masks.update(pkg_masks)
                    unmasks = set()
                    for neg, pos in profile_unmasks:
                        unmasks.difference_update(neg)
                        unmasks.update(pos)
                    unmasks.update(pkg_unmasks)
                    filtered = generate_filter(masks, unmasks, *vfilters)
                if filtered:
                    wrapped_repo = visibility.filterTree(
                        wrapped_repo, filtered, True)
                self.repos_configured_filtered[key] = wrapped_repo
                l.append(wrapped_repo)

        self.use_expand_re = re.compile(
            "^(?:[+-])?(%s)_(.*)$" %
            "|".join(x.lower()
                     for x in sorted(profile.use_expand, reverse=True)))