worktree.c: add update_worktree_location()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Feb 12, 2018 at 16:49 UTC 9c620fc7a60c64e183a661f4df4f7b9e25501099
2 files changed +23
worktree.c
+17
@@ -326,6 +326,23 @@ done:
326 return ret;
327 }
328
329 +void update_worktree_location(struct worktree *wt, const char *path_)
330 +{
331 + struct strbuf path = STRBUF_INIT;
332 +
333 + if (is_main_worktree(wt))
334 + die("BUG: can't relocate main worktree");
335 +
336 + strbuf_realpath(&path, path_, 1);
337 + if (fspathcmp(wt->path, path.buf)) {
338 + write_file(git_common_path("worktrees/%s/gitdir", wt->id),
339 + "%s/.git", path.buf);
340 + free(wt->path);
341 + wt->path = strbuf_detach(&path, NULL);
342 + }
343 + strbuf_release(&path);
344 +}
345 +
346 int is_worktree_being_rebased(const struct worktree *wt,
347 const char *target)
348 {
worktree.h
+6
@@ -68,6 +68,12 @@ extern const char *is_worktree_locked(struct worktree *wt);
68 extern int validate_worktree(const struct worktree *wt,
69 struct strbuf *errmsg);
70
71 +/*
72 + * Update worktrees/xxx/gitdir with the new path.
73 + */
74 +extern void update_worktree_location(struct worktree *wt,
75 + const char *path_);
76 +
77 /*
78 * Free up the memory for worktree(s)
79 */