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revision.c: --all adds HEAD from all worktrees

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Unless single_worktree is set, --all now adds HEAD from all worktrees.

Since reachable.c code does not use setup_revisions(), we need to call
other_head_refs_submodule() explicitly there to have the same effect on
"git prune", so that we won't accidentally delete objects needed by some
other HEADs.

A new FIXME is added because we would need something like

    int refs_other_head_refs(struct ref_store *, each_ref_fn, cb_data);

in addition to other_head_refs() to handle it, which might require

    int get_submodule_worktrees(const char *submodule, int flags);

It could be a separate topic to reduce the scope of this one.

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
2017-08-23 19:36:59 +07:00
committed by Junio C Hamano
parent 419221c106
commit d0c39a49cc
6 changed files with 60 additions and 0 deletions
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8
worktree.h
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@ -1,6 +1,8 @@
#ifndef WORKTREE_H
#define WORKTREE_H
#include "refs.h"
struct worktree {
char *path;
char *id;
@ -70,6 +72,12 @@ extern void free_worktrees(struct worktree **);
extern const struct worktree *find_shared_symref(const char *symref,
const char *target);
/*
* Similar to head_ref() for all HEADs _except_ one from the current
* worktree, which is covered by head_ref().
*/
int other_head_refs(each_ref_fn fn, void *cb_data);
int is_worktree_being_rebased(const struct worktree *wt, const char *target);
int is_worktree_being_bisected(const struct worktree *wt, const char *target);