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ref_update_reject_duplicates(): expose function to whole refs module

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It will soon have some other users.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2017-05-22 16:17:45 +02:00
committed by Junio C Hamano
parent 30173b8851
commit 2ced105cb1
3 changed files with 25 additions and 17 deletions
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17
refs.c
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@ -1702,6 +1702,23 @@ int create_symref(const char *ref_target, const char *refs_heads_master,
refs_heads_master, logmsg);
}
int ref_update_reject_duplicates(struct string_list *refnames,
struct strbuf *err)
{
int i, n = refnames->nr;
assert(err);
for (i = 1; i < n; i++)
if (!strcmp(refnames->items[i - 1].string, refnames->items[i].string)) {
strbuf_addf(err,
"multiple updates for ref '%s' not allowed.",
refnames->items[i].string);
return 1;
}
return 0;
}
int ref_transaction_prepare(struct ref_transaction *transaction,
struct strbuf *err)
{