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-rw-r--r--pym/portage/repository/config.py24
1 files changed, 23 insertions, 1 deletions
diff --git a/pym/portage/repository/config.py b/pym/portage/repository/config.py
index 779d432be..713494c86 100644
--- a/pym/portage/repository/config.py
+++ b/pym/portage/repository/config.py
@@ -3,6 +3,7 @@
import io
import logging
+import warnings
import sys
import re
@@ -15,7 +16,8 @@ try:
except ImportError:
from ConfigParser import SafeConfigParser, ParsingError
from portage import os
-from portage.const import USER_CONFIG_PATH, REPO_NAME_LOC
+from portage.const import (MANIFEST2_HASH_FUNCTIONS, MANIFEST2_REQUIRED_HASH,
+ REPO_NAME_LOC, USER_CONFIG_PATH)
from portage.env.loaders import KeyValuePairFileLoader
from portage.util import normalize_path, writemsg, writemsg_level, shlex_split
from portage.localization import _
@@ -385,6 +387,26 @@ class RepoConfigLoader(object):
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:
+ warnings.warn(("Repository named '%s' has a "
+ "'manifest-hashes' setting that does not contain "
+ "the '%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: %s" % (repo.name,
+ MANIFEST2_REQUIRED_HASH,
+ layout_filename)))
+ unsupported_hashes = manifest_hashes.difference(
+ MANIFEST2_HASH_FUNCTIONS)
+ if unsupported_hashes:
+ warnings.warn(("Repository named '%s' has a "
+ "'manifest-hashes' setting that contains one "
+ "or more hash types '%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: %s" % (repo.name,
+ " ".join(sorted(unsupported_hashes)),
+ layout_filename)))
repo.manifest_hashes = manifest_hashes
repo.cache_is_authoritative = layout_data.get('authoritative-cache', 'false').lower() == 'true'