On Fri, Mar 1, 2019 at 12:50 PM Alban Gruin <alban.gruin@xxxxxxxxx> wrote:
> Until now, name_rev() named every commit it found, even it the name
s/even it/even if/
> would ultimately be unused.
> [...]
> Signed-off-by: Alban Gruin <alban.gruin@xxxxxxxxx>
> ---
> diff --git a/builtin/name-rev.c b/builtin/name-rev.c
> @@ -107,12 +107,18 @@ static int name_rev(struct commit *commit,
> copy_data:
> - name->tip_name = tip_name;
> + if (commit_list_contains(commits, commit) ||
> + commit_list_count(commits) == 0) {
Minor: It would probably be more efficient to check if the count is 0
first, and only search the list if not.
By the way, how big is 'commits' likely to get? Will the linear scan
done by commit_list_contains() become an issue? Should it be using a
hash table instead?
> + name->tip_name = tip_name;
> + free_alloc = 0;
> + } else {
> + name->tip_name = NULL;
> + }
