--- a/mercurial/bundlerepo.py Wed Jan 16 13:18:22 2013 +0100
+++ b/mercurial/bundlerepo.py Wed Jan 16 20:41:32 2013 +0100
@@ -20,14 +20,16 @@
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
- # the revision in the bundle (an unbundle object).
+ # 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).
#
- # 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)
+ # basemap is indexed with revisions coming from the bundle, and it
+ # maps to the corresponding node that is the base of the corresponding
+ # delta.
#
+ # 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 +387,3 @@
other.close()
return (localrepo, csets, cleanup)
-