ref_transaction_commit(): inline call to write_ref_sha1()

And remove the function write_ref_sha1(), as it is no longer used.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/refs.c b/refs.c
index 18ce8e6e897c08b21d604cd91f55dbcb7a5972d6..76609bff43f7c6eb5dc7b96d5987ef1b0d263990 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -3134,30 +3134,6 @@ static int commit_ref_update(struct ref_lock *lock,
        return 0;
 }
 
-/*
- * Write sha1 as the new value of the reference specified by the
- * (open) lock. On error, roll back the lockfile and set errno
- * appropriately.
- */
-static int write_ref_sha1(struct ref_lock *lock,
-                         const unsigned char *sha1, const char *logmsg)
-{
-       if (!lock) {
-               errno = EINVAL;
-               return -1;
-       }
-       if (!lock->force_write && !hashcmp(lock->old_sha1, sha1)) {
-               unlock_ref(lock);
-               return 0;
-       }
-
-       if (write_ref_to_lockfile(lock, sha1) ||
-           commit_ref_update(lock, sha1, logmsg))
-               return -1;
-
-       return 0;
-}
-
 int create_symref(const char *ref_target, const char *refs_heads_master,
                  const char *logmsg)
 {
@@ -3852,15 +3828,21 @@ int ref_transaction_commit(struct ref_transaction *transaction,
                struct ref_update *update = updates[i];
 
                if (!is_null_sha1(update->new_sha1)) {
-                       if (write_ref_sha1(update->lock, update->new_sha1,
-                                          update->msg)) {
-                               update->lock = NULL; /* freed by write_ref_sha1 */
+                       if (!update->lock->force_write &&
+                           !hashcmp(update->lock->old_sha1, update->new_sha1)) {
+                               unlock_ref(update->lock);
+                               update->lock = NULL;
+                       } else if (write_ref_to_lockfile(update->lock, update->new_sha1) ||
+                                  commit_ref_update(update->lock, update->new_sha1, update->msg)) {
+                               update->lock = NULL; /* freed by the above calls */
                                strbuf_addf(err, "Cannot update the ref '%s'.",
                                            update->refname);
                                ret = TRANSACTION_GENERIC_ERROR;
                                goto cleanup;
+                       } else {
+                               /* freed by the above calls: */
+                               update->lock = NULL;
                        }
-                       update->lock = NULL; /* freed by write_ref_sha1 */
                }
        }