transport: compute summary-width dynamically

Now all that is left to do is to actually iterate over the refs and measure the display width needed to show their abbreviation. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed Oct 21, 2016 at 21:33 UTC db98d9bafa7081aa95c15c278e39b5dfa5af8e48
1 file changed +17 -1
transport.c
+17 -1
@@ -429,9 +429,25 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count,
429 return 1;
430 }
431
432 +static int measure_abbrev(const struct object_id *oid, int sofar)
433 +{
434 + char hex[GIT_SHA1_HEXSZ + 1];
435 + int w = find_unique_abbrev_r(hex, oid->hash, DEFAULT_ABBREV);
436 +
437 + return (w < sofar) ? sofar : w;
438 +}
439 +
440 int transport_summary_width(const struct ref *refs)
441 {
434 - return (2 * FALLBACK_DEFAULT_ABBREV + 3);
442 + int maxw = -1;
443 +
444 + for (; refs; refs = refs->next) {
445 + maxw = measure_abbrev(&refs->old_oid, maxw);
446 + maxw = measure_abbrev(&refs->new_oid, maxw);
447 + }
448 + if (maxw < 0)
449 + maxw = FALLBACK_DEFAULT_ABBREV;
450 + return (2 * maxw + 3);
451 }
452
453 void transport_print_push_status(const char *dest, struct ref *refs,