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ref_update_reject_duplicates(): expose function to whole refs module 

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>
maint
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
View File

@ -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)
{

17
refs/files-backend.c
View File

@ -2512,23 +2512,6 @@ static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_st
return ref_iterator;
}

static 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;
}

/*
* If update is a direct update of head_ref (the reference pointed to
* by HEAD), then add an extra REF_LOG_ONLY update for HEAD.

8
refs/refs-internal.h
View File

@ -169,6 +169,14 @@ int refs_read_raw_ref(struct ref_store *ref_store,
const char *refname, unsigned char *sha1,
struct strbuf *referent, unsigned int *type);

/*
* Write an error to `err` and return a nonzero value iff the same
* refname appears multiple times in `refnames`. `refnames` must be
* sorted on entry to this function.
*/
int ref_update_reject_duplicates(struct string_list *refnames,
struct strbuf *err);

/*
* Add a ref_update with the specified properties to transaction, and
* return a pointer to the new object. This function does not verify