Store empty (default) branch in branch cache, too.
Operations on this branch don't work otherwise.
Reading branches.cache had to be adjusted to allow an empty label.
Adjusted reading of the cache tip for symmetry, no functional change here.
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
pushing to ../a
searching for changes
abort: push creates new remote branches!
(did you forget to merge? use push -f to force)
pulling from ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
pushing to ../a
searching for changes
abort: push creates new remote branches!
(did you forget to merge? use push -f to force)
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
pushing to ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 1 changes to 1 files
adding foo
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging foo
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
pushing to ../c
searching for changes
abort: push creates new remote branches!
(did you forget to merge? use push -f to force)
0
pushing to ../c
searching for changes
no changes found
0
pushing to ../c
searching for changes
abort: push creates new remote branches!
(did you forget to merge? use push -f to force)
0
pushing to ../c
searching for changes
abort: push creates new remote branches!
(did you forget to merge? use push -f to force)
0
pushing to ../c
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files (+2 heads)
0
pushing to ../c
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (-1 heads)
0
pushing to ../e
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
0
pushing to ../e
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
0