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worktree.c: make find_shared_symref() return struct worktree *

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This gives the caller more information and they can answer things like,
"is it the main worktree" or "is it the current worktree". The latter
question is needed for the "checkout a rebase branch" case later.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2016-04-22 20:01:27 +07:00
committed by Junio C Hamano
parent 69dfe3b942
commit d3b9ac07eb
5 changed files with 28 additions and 23 deletions
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8
worktree.h
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@ -35,10 +35,10 @@ extern void free_worktrees(struct worktree **);
/*
* Check if a per-worktree symref points to a ref in the main worktree
* or any linked worktree, and return the path to the exising worktree
* if it is. Returns NULL if there is no existing ref. The caller is
* responsible for freeing the returned path.
* or any linked worktree, and return the worktree that holds the ref,
* or NULL otherwise. The result may be destroyed by the next call.
*/
extern char *find_shared_symref(const char *symref, const char *target);
extern const struct worktree *find_shared_symref(const char *symref,
const char *target);
#endif