It will soon have some other users.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
refs.c | 17 +++++++++++++++++
refs/files-backend.c | 17 -----------------
refs/refs-internal.h | 8 ++++++++
3 files changed, 25 insertions(+), 17 deletions(-)
diff --git a/refs.c b/refs.c
index 689362db1e..43d65bc9c6 100644
--- a/refs.c
+++ b/refs.c
@@ -1689,6 +1689,23 @@ 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)
{
diff --git a/refs/files-backend.c b/refs/files-backend.c
index f48409132d..d7596b5222 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2524,23 +2524,6 @@ 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.
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 2ff65d3ebd..52350c5301 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -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
--
2.11.0