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.
checkout
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
merge
resolving manifests
overwrite None partial False
ancestor af1939970a1c local f26ec4fc3fa3+ remote 8e765a822af2
a: remote moved to b -> m
b2: remote created -> g
merging a and b
my a@f26ec4fc3fa3+ other b@8e765a822af2 ancestor a@af1939970a1c
copying a to b
removing a
getting b2
1 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
M b
a
M b2
R a
C c2
blahblah
rev offset length base linkrev nodeid p1 p2
0 0 67 0 1 dc51707dfc98 000000000000 000000000000
1 67 72 1 3 b2494a44f0a9 000000000000 dc51707dfc98
b renamed from a:dd03b83622e78778b403775d0d074b9ac7387a66