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sequencer: rectify empty hint in call of require_clean_work_tree()

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The canonical way to represent "no error hint" is making it NULL, which
shortcuts the error() call altogether. This fixes the output by removing
the line which said just "error:", which would appear when the worktree
is dirtied while editing the initial rebase todo file. This was
introduced by 97e1873 (rebase -i: rewrite complete_action() in C,
2018-08-28), which did a somewhat inaccurate conversion from shell.

To avoid that such bugs re-appear, test for the condition in
require_clean_work_tree().

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Oswald Buddenhagen
2023-08-24 17:00:46 +02:00
committed by Junio C Hamano
parent fb7d80edca
commit a9b5955e07
2 changed files with 6 additions and 2 deletions
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6
wt-status.c
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@@ -2651,8 +2651,12 @@ int require_clean_work_tree(struct repository *r,
}
if (err) {
if (hint)
if (hint) {
if (!*hint)
BUG("empty hint passed to require_clean_work_tree();"
" use NULL instead");
error("%s", hint);
}
if (!gently)
exit(128);
}