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branch: fix die_if_checked_out() when ignore_current_worktree

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In 8d9fdd7 (worktree.c: check whether branch is rebased in another
worktree, 2016-04-22) die_if_checked_out() learned a new option
ignore_current_worktree, to modify the operation from "die() if the
branch is checked out in any worktree" to "die() if the branch is
checked out in any worktree other than the current one".

Unfortunately we implemented it by checking the flag is_current in the
worktree that find_shared_symref() returns.

When the same branch is checked out in several worktrees simultaneously,
find_shared_symref() will return the first matching worktree in the list
composed by get_worktrees().  If one of the worktrees with the checked
out branch is the current worktree, find_shared_symref() may or may not
return it, depending on the order in the list.

Instead of find_shared_symref(), let's do the search using use the
recently introduced API is_shared_symref(), and consider
ignore_current_worktree when necessary.

Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Rubén Justo 2023-02-25 15:22:02 +01:00 committed by Junio C Hamano
parent 662078caac
commit faa4d5983b
2 changed files with 10 additions and 7 deletions
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14
branch.c
View File

@ -820,12 +820,16 @@ void remove_branch_state(struct repository *r, int verbose)
void die_if_checked_out(const char *branch, int ignore_current_worktree)
{
struct worktree **worktrees = get_worktrees();
const struct worktree *wt;
wt = find_shared_symref(worktrees, "HEAD", branch);
if (wt && (!ignore_current_worktree || !wt->is_current)) {
skip_prefix(branch, "refs/heads/", &branch);
die(_("'%s' is already checked out at '%s'"), branch, wt->path);
for (int i = 0; worktrees[i]; i++) {
if (worktrees[i]->is_current && ignore_current_worktree)
continue;
if (is_shared_symref(worktrees[i], "HEAD", branch)) {
skip_prefix(branch, "refs/heads/", &branch);
die(_("'%s' is already checked out at '%s'"),
branch, worktrees[i]->path);
}
}
free_worktrees(worktrees);

3
worktree.c
View File

@ -435,10 +435,9 @@ const struct worktree *find_shared_symref(struct worktree **worktrees,
const char *target)
{
for (int i = 0; worktrees[i]; i++) {
for (int i = 0; worktrees[i]; i++)
if (is_shared_symref(worktrees[i], symref, target))
return worktrees[i];
}
return NULL;
}