blob: 5aef4f7c8fb98ff089ffab7adab7251f1d8686ed [file] [log] [blame]
# Copyright 2010-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import unicode_literals
import io
import logging
import warnings
import sys
import re
from configparser import ParsingError
if sys.hexversion >= 0x3020000:
from configparser import ConfigParser as SafeConfigParser
from configparser import SafeConfigParser
except ImportError:
from ConfigParser import SafeConfigParser, ParsingError
import portage
from portage import eclass_cache, os
from portage.eapi import eapi_allows_directories_on_profile_level_and_repository_level
from portage.env.loaders import KeyValuePairFileLoader
from portage.util import (normalize_path, read_corresponding_eapi_file, shlex_split,
stack_lists, writemsg, writemsg_level)
from portage.util._path import exists_raise_eaccess, isdir_raise_eaccess
from portage.localization import _
from portage import _unicode_decode
from portage import _unicode_encode
from portage import _encodings
from portage import manifest
# Characters prohibited by repoman's check.
_invalid_path_char_re = re.compile(r'[^a-zA-Z0-9._\-+:/]')
_valid_profile_formats = frozenset(
['pms', 'portage-1', 'portage-2'])
_portage1_profiles_allow_directories = frozenset(
["portage-1-compat", "portage-1", 'portage-2'])
_repo_name_sub_re = re.compile(r'[^\w-]')
def _gen_valid_repo(name):
Substitute hyphen in place of characters that don't conform to PMS 3.1.5,
and strip hyphen from left side if necessary. This returns None if the
given name contains no valid characters.
name = _repo_name_sub_re.sub(' ', name.strip())
name = '-'.join(name.split())
name = name.lstrip('-')
if not name:
name = None
return name
def _find_invalid_path_char(path, pos=0, endpos=None):
Returns the position of the first invalid character found in basename,
or -1 if no invalid characters are found.
if endpos is None:
endpos = len(path)
m =, pos=pos, endpos=endpos)
if m is not None:
return m.start()
return -1
class RepoConfig(object):
"""Stores config of one repository"""
__slots__ = ('aliases', 'allow_missing_manifest', 'allow_provide_virtual',
'cache_formats', 'create_manifest', 'disable_manifest', 'eapi',
'eclass_db', 'eclass_locations', 'eclass_overrides',
'find_invalid_path_char', 'format', 'location',
'main_repo', 'manifest_hashes', 'masters', 'missing_repo_name',
'name', 'portage1_profiles', 'portage1_profiles_compat', 'priority',
'profile_formats', 'sign_commit', 'sign_manifest', 'sync',
'thin_manifest', 'update_changelog', 'user_location')
def __init__(self, name, repo_opts):
"""Build a RepoConfig with options in repo_opts
Try to read repo_name in repository location, but if
it is not found use variable name as repository name"""
aliases = repo_opts.get('aliases')
if aliases is not None:
aliases = tuple(aliases.split())
self.aliases = aliases
eclass_overrides = repo_opts.get('eclass-overrides')
if eclass_overrides is not None:
eclass_overrides = tuple(eclass_overrides.split())
self.eclass_overrides = eclass_overrides
# Eclass databases and locations are computed later.
self.eclass_db = None
self.eclass_locations = None
# Masters from repos.conf override layout.conf.
masters = repo_opts.get('masters')
if masters is not None:
masters = tuple(masters.split())
self.masters = masters
#The main-repo key makes only sense for the 'DEFAULT' section.
self.main_repo = repo_opts.get('main-repo')
priority = repo_opts.get('priority')
if priority is not None:
priority = int(priority)
except ValueError:
priority = None
self.priority = priority
sync = repo_opts.get('sync')
if sync is not None:
sync = sync.strip()
self.sync = sync
format = repo_opts.get('format')
if format is not None:
format = format.strip()
self.format = format
location = repo_opts.get('location')
self.user_location = location
if location is not None and location.strip():
if os.path.isdir(location):
location = os.path.realpath(location)
location = None
self.location = location
eapi = None
missing = True
if self.location is not None:
eapi = read_corresponding_eapi_file(os.path.join(self.location, REPO_NAME_LOC))
name, missing = self._read_valid_repo_name(self.location)
elif name == "DEFAULT":
missing = False
self.eapi = eapi = name
self.missing_repo_name = missing
# sign_commit is disabled by default, since it requires Git >=1.7.9,
# and key_id configured by `git config user.signingkey key_id`
self.sign_commit = False
self.sign_manifest = True
self.thin_manifest = False
self.allow_missing_manifest = False
self.allow_provide_virtual = False
self.create_manifest = True
self.disable_manifest = False
self.manifest_hashes = None
self.update_changelog = False
self.cache_formats = None
self.portage1_profiles = True
self.portage1_profiles_compat = False
self.find_invalid_path_char = _find_invalid_path_char
# Parse layout.conf.
if self.location:
layout_filename = os.path.join(self.location, "metadata", "layout.conf")
layout_data = parse_layout_conf(self.location,[0]
# layout.conf masters may be overridden here if we have a masters
# setting from the user's repos.conf
if self.masters is None:
self.masters = layout_data['masters']
if layout_data['aliases']:
aliases = self.aliases
if aliases is None:
aliases = ()
# repos.conf aliases come after layout.conf aliases, giving
# them the ability to do incremental overrides
self.aliases = layout_data['aliases'] + tuple(aliases)
for value in ('allow-missing-manifest',
'allow-provide-virtual', 'cache-formats',
'create-manifest', 'disable-manifest', 'manifest-hashes',
'sign-commit', 'sign-manifest', 'thin-manifest', 'update-changelog'):
setattr(self, value.lower().replace("-", "_"), layout_data[value])
self.portage1_profiles = eapi_allows_directories_on_profile_level_and_repository_level(eapi) or \
any(x in _portage1_profiles_allow_directories for x in layout_data['profile-formats'])
self.portage1_profiles_compat = not eapi_allows_directories_on_profile_level_and_repository_level(eapi) and \
layout_data['profile-formats'] == ('portage-1-compat',)
def iter_pregenerated_caches(self, auxdbkeys, readonly=True, force=False):
Reads layout.conf cache-formats from left to right and yields cache
instances for each supported type that's found. If no cache-formats
are specified in layout.conf, 'pms' type is assumed if the
metadata/cache directory exists or force is True.
formats = self.cache_formats
if not formats:
if not force:
# The default egencache format was 'pms' prior to portage-
# (portage versions prior to portage- will NOT
# recognize md5-dict format unless it is explicitly listed in
# layout.conf).
formats = ('md5-dict',)
for fmt in formats:
name = None
if fmt == 'pms':
from portage.cache.metadata import database
name = 'metadata/cache'
elif fmt == 'md5-dict':
from portage.cache.flat_hash import md5_database as database
name = 'metadata/md5-cache'
if name is not None:
yield database(self.location, name,
auxdbkeys, readonly=readonly)
def get_pregenerated_cache(self, auxdbkeys, readonly=True, force=False):
Returns the first cache instance yielded from
iter_pregenerated_caches(), or None if no cache is available or none
of the available formats are supported.
return next(self.iter_pregenerated_caches(
auxdbkeys, readonly=readonly, force=force), None)
def load_manifest(self, *args, **kwds):
kwds['thin'] = self.thin_manifest
kwds['allow_missing'] = self.allow_missing_manifest
kwds['allow_create'] = self.create_manifest
kwds['hashes'] = self.manifest_hashes
if self.disable_manifest:
kwds['from_scratch'] = True
kwds['find_invalid_path_char'] = self.find_invalid_path_char
return manifest.Manifest(*args, **portage._native_kwargs(kwds))
def update(self, new_repo):
"""Update repository with options in another RepoConfig"""
keys = set(self.__slots__)
for k in keys:
v = getattr(new_repo, k, None)
if v is not None:
setattr(self, k, v)
if is not None:
self.missing_repo_name = new_repo.missing_repo_name
def _read_valid_repo_name(repo_path):
name, missing = RepoConfig._read_repo_name(repo_path)
# We must ensure that the name conforms to PMS 3.1.5
# in order to avoid InvalidAtom exceptions when we
# use it to generate atoms.
name = _gen_valid_repo(name)
if not name:
# name only contains invalid characters
name = "x-" + os.path.basename(repo_path)
name = _gen_valid_repo(name)
# If basename only contains whitespace then the
# end result is name = 'x-'.
return name, missing
def _read_repo_name(repo_path):
Read repo_name from repo_path.
Returns repo_name, missing.
repo_name_path = os.path.join(repo_path, REPO_NAME_LOC)
f = None
f =
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
return f.readline().strip(), False
except EnvironmentError:
return "x-" + os.path.basename(repo_path), True
if f is not None:
def info_string(self):
Returns a formatted string containing informations about the repository.
Used by emerge --info.
indent = " " * 4
repo_msg = []
if self.format:
repo_msg.append(indent + "format: " + self.format)
if self.user_location:
repo_msg.append(indent + "location: " + self.user_location)
if self.sync:
repo_msg.append(indent + "sync: " + self.sync)
if self.masters:
repo_msg.append(indent + "masters: " + " ".join( for master in self.masters))
if self.priority is not None:
repo_msg.append(indent + "priority: " + str(self.priority))
if self.aliases:
repo_msg.append(indent + "aliases: " + " ".join(self.aliases))
if self.eclass_overrides:
repo_msg.append(indent + "eclass_overrides: " + \
" ".join(self.eclass_overrides))
return "\n".join(repo_msg)
def __repr__(self):
return "<portage.repository.config.RepoConfig(name='%s', location='%s')>" % (, _unicode_decode(self.location))
def __str__(self):
d = {}
for k in self.__slots__:
d[k] = getattr(self, k, None)
return "%s" % (d,)
if sys.hexversion < 0x3000000:
__unicode__ = __str__
def __str__(self):
return _unicode_encode(self.__unicode__())
class RepoConfigLoader(object):
"""Loads and store config of several repositories, loaded from PORTDIR_OVERLAY or repos.conf"""
def _add_repositories(portdir, portdir_overlay, prepos, ignored_map, ignored_location_map):
"""Add overlays in PORTDIR_OVERLAY as repositories"""
overlays = []
if portdir:
portdir = normalize_path(portdir)
port_ov = [normalize_path(i) for i in shlex_split(portdir_overlay)]
except ValueError as e:
#File "/usr/lib/python3.2/", line 168, in read_token
# raise ValueError("No closing quotation")
writemsg(_("!!! Invalid PORTDIR_OVERLAY:"
" %s: %s\n") % (e, portdir_overlay), noiselevel=-1)
port_ov = []
default_repo_opts = {}
if prepos['DEFAULT'].aliases is not None:
default_repo_opts['aliases'] = \
' '.join(prepos['DEFAULT'].aliases)
if prepos['DEFAULT'].eclass_overrides is not None:
default_repo_opts['eclass-overrides'] = \
' '.join(prepos['DEFAULT'].eclass_overrides)
if prepos['DEFAULT'].masters is not None:
default_repo_opts['masters'] = \
' '.join(prepos['DEFAULT'].masters)
if overlays:
# We need a copy of the original repos.conf data, since we're
# going to modify the prepos dict and some of the RepoConfig
# objects that we put in prepos may have to be discarded if
# they get overridden by a repository with the same name but
# a different location. This is common with repoman, for example,
# when temporarily overriding an rsync repo with another copy
# of the same repo from CVS.
repos_conf = prepos.copy()
#overlay priority is negative because we want them to be looked before any other repo
base_priority = 0
for ov in overlays:
if isdir_raise_eaccess(ov):
repo_opts = default_repo_opts.copy()
repo_opts['location'] = ov
repo = RepoConfig(None, repo_opts)
# repos_conf_opts contains options from repos.conf
repos_conf_opts = repos_conf.get(
if repos_conf_opts is not None:
# Selectively copy only the attributes which
# repos.conf is allowed to override.
for k in ('aliases', 'eclass_overrides', 'masters', 'priority'):
v = getattr(repos_conf_opts, k, None)
if v is not None:
setattr(repo, k, v)
if in prepos:
old_location = prepos[].location
if old_location is not None and old_location != repo.location:
ignored_map.setdefault(, []).append(old_location)
ignored_location_map[old_location] =
if old_location == portdir:
portdir = repo.user_location
if ov == portdir and portdir not in port_ov:
repo.priority = -1000
elif repo.priority is None:
repo.priority = base_priority
base_priority += 1
prepos[] = repo
if not portage._sync_disabled_warnings:
writemsg(_("!!! Invalid PORTDIR_OVERLAY (not a dir): '%s'\n") % ov, noiselevel=-1)
return portdir
def _parse(paths, prepos, ignored_map, ignored_location_map):
"""Parse files in paths to load config"""
parser = SafeConfigParser()
# use read_file/readfp in order to control decoding of unicode
# Python >=3.2
read_file = parser.read_file
except AttributeError:
read_file = parser.readfp
for p in paths:
f = None
f =,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
except EnvironmentError:
except ParsingError as e:
_("!!! Error while reading repo config file: %s\n") % e,
if f is not None:
prepos['DEFAULT'] = RepoConfig("DEFAULT", parser.defaults())
for sname in parser.sections():
optdict = {}
for oname in parser.options(sname):
optdict[oname] = parser.get(sname, oname)
repo = RepoConfig(sname, optdict)
if repo.location and not exists_raise_eaccess(repo.location):
writemsg(_("!!! Invalid repos.conf entry '%s'"
" (not a dir): '%s'\n") % (sname, repo.location), noiselevel=-1)
if in prepos:
old_location = prepos[].location
if old_location is not None and repo.location is not None and old_location != repo.location:
ignored_map.setdefault(, []).append(old_location)
ignored_location_map[old_location] =
prepos[] = repo
def __init__(self, paths, settings):
"""Load config from files in paths"""
prepos = {}
location_map = {}
treemap = {}
ignored_map = {}
ignored_location_map = {}
portdir = settings.get('PORTDIR', '')
portdir_overlay = settings.get('PORTDIR_OVERLAY', '')
self._parse(paths, prepos, ignored_map, ignored_location_map)
# If PORTDIR_OVERLAY contains a repo with the same repo_name as
# PORTDIR, then PORTDIR is overridden.
portdir = self._add_repositories(portdir, portdir_overlay, prepos,
ignored_map, ignored_location_map)
if portdir and portdir.strip():
portdir = os.path.realpath(portdir)
ignored_repos = tuple((repo_name, tuple(paths)) \
for repo_name, paths in ignored_map.items())
self.missing_repo_names = frozenset(repo.location
for repo in prepos.values()
if repo.location is not None and repo.missing_repo_name)
#Take aliases into account.
new_prepos = {}
for repo_name, repo in prepos.items():
names = set()
if repo.aliases:
aliases = stack_lists([repo.aliases], incremental=True)
for name in names:
if name in new_prepos:
writemsg_level(_("!!! Repository name or alias '%s', " + \
"defined for repository '%s', overrides " + \
"existing alias or repository.\n") % (name, repo_name), level=logging.WARNING, noiselevel=-1)
new_prepos[name] = repo
prepos = new_prepos
for (name, r) in prepos.items():
if r.location is not None:
location_map[r.location] = name
treemap[name] = r.location
# filter duplicates from aliases, by only including
# items where == key
prepos_order = sorted(prepos.items(), key=lambda r:r[1].priority or 0)
prepos_order = [ for (key, repo) in prepos_order
if == key and repo.location is not None]
if prepos['DEFAULT'].main_repo is None or \
prepos['DEFAULT'].main_repo not in prepos:
#setting main_repo if it was not set in repos.conf
if portdir in location_map:
prepos['DEFAULT'].main_repo = location_map[portdir]
elif portdir in ignored_location_map:
prepos['DEFAULT'].main_repo = ignored_location_map[portdir]
prepos['DEFAULT'].main_repo = None
if not portage._sync_disabled_warnings:
writemsg(_("!!! main-repo not set in DEFAULT and PORTDIR is empty.\n"), noiselevel=-1)
self.prepos = prepos
self.prepos_order = prepos_order
self.ignored_repos = ignored_repos
self.location_map = location_map
self.treemap = treemap
self._prepos_changed = True
self._repo_location_list = []
#The 'masters' key currently contains repo names. Replace them with the matching RepoConfig.
for repo_name, repo in prepos.items():
if repo_name == "DEFAULT":
if repo.masters is None:
if self.mainRepo() and repo_name != self.mainRepo().name:
repo.masters = self.mainRepo(),
repo.masters = ()
if repo.masters and isinstance(repo.masters[0], RepoConfig):
# This one has already been processed
# because it has an alias.
master_repos = []
for master_name in repo.masters:
if master_name not in prepos:
layout_filename = os.path.join(repo.user_location,
"metadata", "layout.conf")
writemsg_level(_("Unavailable repository '%s' " \
"referenced by masters entry in '%s'\n") % \
(master_name, layout_filename),
level=logging.ERROR, noiselevel=-1)
repo.masters = tuple(master_repos)
#The 'eclass_overrides' key currently contains repo names. Replace them with the matching repo paths.
for repo_name, repo in prepos.items():
if repo_name == "DEFAULT":
eclass_locations = []
eclass_locations.extend(master_repo.location for master_repo in repo.masters)
# Only append the current repo to eclass_locations if it's not
# there already. This allows masters to have more control over
# eclass override order, which may be useful for scenarios in
# which there is a plan to migrate eclasses to a master repo.
if repo.location not in eclass_locations:
if repo.eclass_overrides:
for other_repo_name in repo.eclass_overrides:
if other_repo_name in self.treemap:
writemsg_level(_("Unavailable repository '%s' " \
"referenced by eclass-overrides entry for " \
"'%s'\n") % (other_repo_name, repo_name), \
level=logging.ERROR, noiselevel=-1)
repo.eclass_locations = tuple(eclass_locations)
eclass_dbs = {}
for repo_name, repo in prepos.items():
if repo_name == "DEFAULT":
eclass_db = None
for eclass_location in repo.eclass_locations:
tree_db = eclass_dbs.get(eclass_location)
if tree_db is None:
tree_db = eclass_cache.cache(eclass_location)
eclass_dbs[eclass_location] = tree_db
if eclass_db is None:
eclass_db = tree_db.copy()
repo.eclass_db = eclass_db
self._prepos_changed = True
self._repo_location_list = []
def repoLocationList(self):
"""Get a list of repositories location. Replaces PORTDIR_OVERLAY"""
if self._prepos_changed:
_repo_location_list = []
for repo in self.prepos_order:
if self.prepos[repo].location is not None:
self._repo_location_list = tuple(_repo_location_list)
self._prepos_changed = False
return self._repo_location_list
def repoUserLocationList(self):
"""Get a list of repositories location. Replaces PORTDIR_OVERLAY"""
user_location_list = []
for repo in self.prepos_order:
if self.prepos[repo].location is not None:
return tuple(user_location_list)
def mainRepoLocation(self):
"""Returns the location of main repo"""
main_repo = self.prepos['DEFAULT'].main_repo
if main_repo is not None and main_repo in self.prepos:
return self.prepos[main_repo].location
return ''
def mainRepo(self):
"""Returns the main repo"""
maid_repo = self.prepos['DEFAULT'].main_repo
if maid_repo is None:
return None
return self.prepos[maid_repo]
def _check_locations(self):
"""Check if repositories location are correct and show a warning message if not"""
for (name, r) in self.prepos.items():
if name != 'DEFAULT':
if r.location is None:
writemsg(_("!!! Location not set for repository %s\n") % name, noiselevel=-1)
if not isdir_raise_eaccess(r.location):
writemsg(_("!!! Invalid Repository Location"
" (not a dir): '%s'\n") % r.location, noiselevel=-1)
def repos_with_profiles(self):
for repo_name in self.prepos_order:
repo = self.prepos[repo_name]
if repo.format != "unavailable":
yield repo
def get_name_for_location(self, location):
return self.location_map[location]
def get_location_for_name(self, repo_name):
if repo_name is None:
# This simplifies code in places where
# we want to be able to pass in Atom.repo
# even if it is None.
return None
return self.treemap[repo_name]
def get_repo_for_location(self, location):
return self.prepos[self.get_name_for_location(location)]
def __getitem__(self, repo_name):
return self.prepos[repo_name]
def __iter__(self):
for repo_name in self.prepos_order:
yield self.prepos[repo_name]
def load_repository_config(settings):
#~ repoconfigpaths = [os.path.join(settings.global_config_path, "repos.conf")]
repoconfigpaths = []
if settings.local_config:
USER_CONFIG_PATH, "repos.conf"))
return RepoConfigLoader(repoconfigpaths, settings)
def _get_repo_name(repo_location, cached=None):
if cached is not None:
return cached
name, missing = RepoConfig._read_repo_name(repo_location)
if missing:
return None
return name
def parse_layout_conf(repo_location, repo_name=None):
eapi = read_corresponding_eapi_file(os.path.join(repo_location, REPO_NAME_LOC))
layout_filename = os.path.join(repo_location, "metadata", "layout.conf")
layout_file = KeyValuePairFileLoader(layout_filename, None, None)
layout_data, layout_errors = layout_file.load()
data = {}
# None indicates abscence of a masters setting, which later code uses
# to trigger a backward compatibility fallback that sets an implicit
# master. In order to avoid this fallback behavior, layout.conf can
# explicitly set masters to an empty value, which will result in an
# empty tuple here instead of None.
masters = layout_data.get('masters')
if masters is not None:
masters = tuple(masters.split())
data['masters'] = masters
data['aliases'] = tuple(layout_data.get('aliases', '').split())
data['allow-provide-virtual'] = \
layout_data.get('allow-provide-virtuals', 'false').lower() == 'true'
data['sign-commit'] = layout_data.get('sign-commits', 'false').lower() \
== 'true'
data['sign-manifest'] = layout_data.get('sign-manifests', 'true').lower() \
== 'true'
data['thin-manifest'] = layout_data.get('thin-manifests', 'false').lower() \
== 'true'
manifest_policy = layout_data.get('use-manifests', 'strict').lower()
data['allow-missing-manifest'] = manifest_policy != 'strict'
data['create-manifest'] = manifest_policy != 'false'
data['disable-manifest'] = manifest_policy == 'false'
# for compatibility w/ PMS, fallback to pms; but also check if the
# cache exists or not.
cache_formats = layout_data.get('cache-formats', '').lower().split()
if not cache_formats:
# Auto-detect cache formats, and prefer md5-cache if available.
# This behavior was deployed in portage-, so that the
# default egencache format could eventually be changed to md5-dict
# in portage- WARNING: Versions prior to portage-
# will NOT recognize md5-dict format unless it is explicitly
# listed in layout.conf.
cache_formats = []
if os.path.isdir(os.path.join(repo_location, 'metadata', 'md5-cache')):
if os.path.isdir(os.path.join(repo_location, 'metadata', 'cache')):
data['cache-formats'] = tuple(cache_formats)
manifest_hashes = layout_data.get('manifest-hashes')
if manifest_hashes is not None:
manifest_hashes = frozenset(manifest_hashes.upper().split())
if MANIFEST2_REQUIRED_HASH not in manifest_hashes:
repo_name = _get_repo_name(repo_location, cached=repo_name)
warnings.warn((_("Repository named '%(repo_name)s' has a "
"'manifest-hashes' setting that does not contain "
"the '%(hash)s' hash which is required by this "
"portage version. You will have to upgrade portage "
"if you want to generate valid manifests for this "
"repository: %(layout_filename)s") %
{"repo_name": repo_name or 'unspecified',
unsupported_hashes = manifest_hashes.difference(
if unsupported_hashes:
repo_name = _get_repo_name(repo_location, cached=repo_name)
warnings.warn((_("Repository named '%(repo_name)s' has a "
"'manifest-hashes' setting that contains one "
"or more hash types '%(hashes)s' which are not supported by "
"this portage version. You will have to upgrade "
"portage if you want to generate valid manifests for "
"this repository: %(layout_filename)s") %
{"repo_name": repo_name or 'unspecified',
"hashes":" ".join(sorted(unsupported_hashes)),
data['manifest-hashes'] = manifest_hashes
data['update-changelog'] = layout_data.get('update-changelog', 'false').lower() \
== 'true'
raw_formats = layout_data.get('profile-formats')
if raw_formats is None:
if eapi_allows_directories_on_profile_level_and_repository_level(eapi):
raw_formats = ('portage-1',)
raw_formats = ('portage-1-compat',)
raw_formats = set(raw_formats.split())
unknown = raw_formats.difference(_valid_profile_formats)
if unknown:
repo_name = _get_repo_name(repo_location, cached=repo_name)
warnings.warn((_("Repository named '%(repo_name)s' has unsupported "
"profiles in use ('profile-formats = %(unknown_fmts)s' setting in "
"'%(layout_filename)s; please upgrade portage.") %
dict(repo_name=repo_name or 'unspecified',
unknown_fmts=" ".join(unknown))),
raw_formats = tuple(raw_formats.intersection(_valid_profile_formats))
data['profile-formats'] = raw_formats
return data, layout_errors