Linus Torvalds <torva...@linux-foundation.org> writes:
> But this patch is small and simple, and has some excuses for its
> behavior. What do people think?
I like it that you call it "excuse" not "rationale", as I couldn't
form a logical connection between your "4 (2) letters" and "10000
(100)" at all ;-)
Modulo the usual style issues (e.g. we frown upon patches in
attachement that makes it harder to quote and comment), I think this
is a strict improvement and is a good measure until somebody does a
full "topologically closest" solution.
> Linus
>
> builtin/name-rev.c | 16 ++++++++++------
> 1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/builtin/name-rev.c b/builtin/name-rev.c
> index 092e03c3cc9b..0354c8d222e1 100644
> --- a/builtin/name-rev.c
> +++ b/builtin/name-rev.c
> @@ -16,9 +16,6 @@ typedef struct rev_name {
>
> static long cutoff = LONG_MAX;
>
> -/* How many generations are maximally preferred over _one_ merge traversal?
> */
> -#define MERGE_TRAVERSAL_WEIGHT 65535
> -
> static void name_rev(struct commit *commit,
> const char *tip_name, int generation, int distance,
> int deref)
> @@ -55,19 +52,26 @@ copy_data:
> parents;
> parents = parents->next, parent_number++) {
> if (parent_number > 1) {
> + int weight;
> size_t len;
> char *new_name;
>
> strip_suffix(tip_name, "^0", &len);
> - if (generation > 0)
> +
> + // The extra merge traversal "weight" depends
> + // on how complex the resulting name is.
> + if (generation > 0) {
> + weight = 10000;
> new_name = xstrfmt("%.*s~%d^%d", (int)len,
> tip_name,
> generation, parent_number);
> - else
> + } else {
> + weight = 100;
> new_name = xstrfmt("%.*s^%d", (int)len,
> tip_name,
> parent_number);
> + }
>
> name_rev(parents->item, new_name, 0,
> - distance + MERGE_TRAVERSAL_WEIGHT, 0);
> + distance + weight, 0);
> } else {
> name_rev(parents->item, tip_name, generation + 1,
> distance + 1, 0);
--
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