[PATCH 01 of 10] bundlerepo: fix outdated comment

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <madski at unity3d.com>
# Date 1358365292 -3600
# Node ID 528c8be7d397d7c2638858006bdd9d55e3e2c314
# Parent  e3f5cef11d6a8eafdbaefa9b6c3d0e91fc3273fc
bundlerepo: fix outdated comment

Comment was made invalid by 01ee43dda681.

diff --git a/mercurial/bundlerepo.py b/mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py
+++ b/mercurial/bundlerepo.py
@@ -20,14 +20,14 @@
 class bundlerevlog(revlog.revlog):
     def __init__(self, opener, indexfile, bundle, linkmapper):
         # How it works:
-        # to retrieve a revision, we need to know the offset of
+        # basemap which keeps track of which revision the delta of each bundle
+        # revision apply to.
+        #
+        # To retrieve a revision, we need to know the offset of
         # the revision in the bundle (an unbundle object).
-        #
-        # We store this offset in the index (start), to differentiate a
-        # rev in the bundle and from a rev in the revlog, we check
-        # len(index[r]). If the tuple is bigger than 7, it is a bundle
-        # (it is bigger since we store the node to which the delta is)
-        #
+        # We store this offset in the index (start). To differentiate a
+        # rev in the bundle from a rev in the revlog, we check revision
+        # against basemap.
         opener = scmutil.readonlyvfs(opener)
         revlog.revlog.__init__(self, opener, indexfile)
         self.bundle = bundle
@@ -385,4 +385,3 @@
         other.close()
 
     return (localrepo, csets, cleanup)
-