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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>
This commit is contained in:
Junio C Hamano 2016-10-21 21:33:06 -07:00
parent 11fd66de9b
commit db98d9bafa
1 changed files with 17 additions and 1 deletions
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18
transport.c
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@ -429,9 +429,25 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count,
return 1;
}
static int measure_abbrev(const struct object_id *oid, int sofar)
{
char hex[GIT_SHA1_HEXSZ + 1];
int w = find_unique_abbrev_r(hex, oid->hash, DEFAULT_ABBREV);
return (w < sofar) ? sofar : w;
}
int transport_summary_width(const struct ref *refs)
{
return (2 * FALLBACK_DEFAULT_ABBREV + 3);
int maxw = -1;
for (; refs; refs = refs->next) {
maxw = measure_abbrev(&refs->old_oid, maxw);
maxw = measure_abbrev(&refs->new_oid, maxw);
}
if (maxw < 0)
maxw = FALLBACK_DEFAULT_ABBREV;
return (2 * maxw + 3);
}
void transport_print_push_status(const char *dest, struct ref *refs,