path-permissions: Throw RepositoryRequirementError is hgacl cannot be read

rhodecode/lib/vcs/backends/hg/repository.py

@@ -35,7 +35,7 b' from rhodecode.lib.datelib import ('
     date_to_timestamp_plus_offset, utcdate_fromtimestamp, makedate,
     date_astimestamp)
 from rhodecode.lib.utils import safe_unicode, safe_str
-from rhodecode.lib.vcs import connection
+from rhodecode.lib.vcs import connection, exceptions
 from rhodecode.lib.vcs.backends.base import (
     BaseRepository, CollectionGenerator, Config, MergeResponse,
     MergeFailureReason, Reference, BasePathPermissionChecker)
@@ -894,6 +894,7 b' class MercurialRepository(BaseRepository'
     def get_path_permissions(self, username):
         hgacl_file = self.path + '/.hg/hgacl'
         if os.path.exists(hgacl_file):
+            try:
             hgacl = ConfigParser.RawConfigParser()
             hgacl.read(hgacl_file)
             def read_patterns(suffix):
@@ -916,6 +917,8 b' class MercurialRepository(BaseRepository'
             includes = read_patterns('.includes')
             excludes = read_patterns('.excludes')
             return BasePathPermissionChecker.create_from_patterns(includes, excludes)
+            except BaseException as e:
+                raise exceptions.RepositoryRequirementError('Cannot read ACL settings for {}: {}'.format(self.name, e))
         else:
             return None