Commit Briefs
fix deletion of branches stored in packed-refs
broken since 29606af7a3a58767bf817a38035490899609d13e
revert c191ed664f6c437ebc3e0c859c53e48b445401f1
'got ref' should only work with naked ref names; implicitly putting things into 'refs/heads' is a job for something like a 'got branch' command.