[PATCH 3 of 5] acl: added some comments to easily identify branch- and path-based verifications

[elifarley at gmail.com]

# HG changeset patch
# User Elifarley Callado Coelho Cruz
# Date 1337356104 10800
# Node ID 2a669647853808c0423ad51596b16090610c12b5
# Parent  8e57f10fecf6b74e8fbec6f951edfdfe1b6b9677
acl: added some comments to easily identify branch- and path-based verifications

diff --git a/hgext/acl.py b/hgext/acl.py
--- a/hgext/acl.py
+++ b/hgext/acl.py
@@ -190,11 +190,13 @@
     ui.debug('acl: %s enabled, %d entries for user %s\n' %
              (key, len(pats), user))
 
+    # Branch-based ACL
     if not repo:
         if pats:
             return lambda b: '*' in pats or b in pats
         return util.never
 
+    # Path-based ACL
     if pats:
         return match.match(repo.root, '', pats)
     return match.exact(repo.root, '', [])