repos.conf: implement trust-authoritative-cache

This controls whether or not the layout.conf
"authoritative-cache = true" setting will be trusted for a particular
repo. It can be enabled globally by setting
"trust-authoritative-cache = true" in the [DEFAULT] section of
repos.conf.

1 files changed, 23 insertions, 1 deletions

diff --git a/pym/portage/repository/config.py b/pym/portage/repository/config.py
index 424b89db2..846de3908 100644
--- a/pym/portage/repository/config.py
+++ b/pym/portage/repository/config.py
@@ -43,7 +43,8 @@ class RepoConfig(object):
 
 	__slots__ = ['aliases', 'eclass_overrides', 'eclass_locations', 'location', 'user_location', 'masters', 'main_repo',
 		'missing_repo_name', 'name', 'priority', 'sync', 'format', 'sign_manifest', 'thin_manifest',
-		'allow_missing_manifest', 'create_manifest', 'disable_manifest', 'cache_is_authoritative']
+		'allow_missing_manifest', 'create_manifest', 'disable_manifest', 'cache_is_authoritative',
+		'trust_authoritative_cache']
 
 	def __init__(self, name, repo_opts):
 		"""Build a RepoConfig with options in repo_opts
@@ -119,6 +120,11 @@ class RepoConfig(object):
 		self.disable_manifest = False
 		self.cache_is_authoritative = False
 
+		trust_authoritative_cache = repo_opts.get('trust-authoritative-cache')
+		if trust_authoritative_cache is not None:
+			trust_authoritative_cache = trust_authoritative_cache.lower() == 'true'
+		self.trust_authoritative_cache = trust_authoritative_cache
+
 	def load_manifest(self, *args, **kwds):
 		kwds['thin'] = self.thin_manifest
 		kwds['allow_missing'] = self.allow_missing_manifest
@@ -135,6 +141,8 @@ class RepoConfig(object):
 			self.eclass_overrides = new_repo.eclass_overrides
 		if new_repo.masters is not None:
 			self.masters = new_repo.masters
+		if new_repo.trust_authoritative_cache is not None:
+			self.trust_authoritative_cache = new_repo.trust_authoritative_cache
 		if new_repo.name is not None:
 			self.name = new_repo.name
 			self.missing_repo_name = new_repo.missing_repo_name
@@ -222,6 +230,12 @@ class RepoConfigLoader(object):
 		if prepos['DEFAULT'].masters is not None:
 			default_repo_opts['masters'] = \
 				' '.join(prepos['DEFAULT'].masters)
+		if prepos['DEFAULT'].trust_authoritative_cache is not None:
+			if prepos['DEFAULT'].trust_authoritative_cache:
+				default_repo_opts['trust-authoritative-cache'] = 'true'
+			else:
+				default_repo_opts['trust-authoritative-cache'] = 'false'
+
 		if overlays:
 			#overlay priority is negative because we want them to be looked before any other repo
 			base_priority = 0
@@ -241,6 +255,12 @@ class RepoConfigLoader(object):
 						if repo_conf_opts.masters is not None:
 							repo_opts['masters'] = \
 								' '.join(repo_conf_opts.masters)
+						if repo_conf_opts.trust_authoritative_cache is not None:
+							if repo_conf_opts.trust_authoritative_cache:
+								repo_opts['trust-authoritative-cache'] = 'true'
+							else:
+								repo_opts['trust-authoritative-cache'] = 'false'
+
 					repo = RepoConfig(repo.name, repo_opts)
 					if repo.name in prepos:
 						old_location = prepos[repo.name].location
@@ -359,6 +379,8 @@ class RepoConfigLoader(object):
 			repo.create_manifest = manifest_policy != 'false'
 			repo.disable_manifest = manifest_policy == 'false'
 			repo.cache_is_authoritative = layout_data.get('authoritative-cache', 'false').lower() == 'true'
+			if not repo.trust_authoritative_cache:
+				repo.cache_is_authoritative = False
 
 		#Take aliases into account.
 		new_prepos = {}