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rev-list --count: comment on the use of count_right++

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2020-02-18 13:21:46 -08:00
parent 3ab3185f99
commit 20a5fd881a
1 changed files with 7 additions and 0 deletions
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7
builtin/rev-list.c
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@ -262,6 +262,13 @@ static void show_object(struct object *obj, const char *name, void *cb_data)
return;
if (revs->count) {
/*
* The object count is always accumulated in the .count_right
* field for traversal that is not a left-right traversal,
* and cmd_rev_list() made sure that a .count request that
* wants to count non-commit objects, which is handled by
* the show_object() callback, does not ask for .left_right.
*/
revs->count_right++;
return;
}