Modify commands.walk to yield a 4-tuple.
The new element of the tuple indicates whether a name is an exact match
for one passed in on the command line.
pulling from ../B1
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
bar should remain deleted.
6b70e9e451a5a33faad7bbebe627e46b937b7364 644 foo
pulling from ../A2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
(run 'hg update' to get a working copy)
bar should remain deleted.
6b70e9e451a5a33faad7bbebe627e46b937b7364 644 foo