Commit 04fb12abb24810391fa19af5696eb38629d650df

Patrick Steinhardt 2015-10-27T12:37:51

worktree: implement functions reading HEAD Implement `git_repository_head_for_worktree` and `git_repository_head_detached_for_worktree` for directly accessing a worktree's HEAD without opening it as a `git_repository` first.