initial_ref_transaction_commit(): function for initial ref creation

diff --git a/refs.c b/refs.c
index 081ea6eada6b4193ac6e14c35054e5447471c0b0..c6f2f64bc51125c6680c8e871856bdd2b9b5a563 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -4076,6 +4076,53 @@ int ref_transaction_commit(struct ref_transaction *transaction,
        return ret;
 }
 
+int initial_ref_transaction_commit(struct ref_transaction *transaction,
+                                  struct strbuf *err)
+{
+       int ret = 0, i;
+       int n = transaction->nr;
+       struct ref_update **updates = transaction->updates;
+
+       assert(err);
+
+       if (transaction->state != REF_TRANSACTION_OPEN)
+               die("BUG: commit called for transaction that is not open");
+
+       for (i = 0; i < n; i++) {
+               struct ref_update *update = updates[i];
+
+               if ((update->flags & REF_HAVE_OLD) &&
+                   !is_null_sha1(update->old_sha1))
+                       die("BUG: initial ref transaction with old_sha1 set");
+       }
+
+       if (lock_packed_refs(0)) {
+               strbuf_addf(err, "unable to lock packed-refs file: %s",
+                           strerror(errno));
+               ret = TRANSACTION_GENERIC_ERROR;
+               goto cleanup;
+       }
+
+       for (i = 0; i < n; i++) {
+               struct ref_update *update = updates[i];
+
+               if ((update->flags & REF_HAVE_NEW) &&
+                   !is_null_sha1(update->new_sha1))
+                       add_packed_ref(update->refname, update->new_sha1);
+       }
+
+       if (commit_packed_refs()) {
+               strbuf_addf(err, "unable to commit packed-refs file: %s",
+                           strerror(errno));
+               ret = TRANSACTION_GENERIC_ERROR;
+               goto cleanup;
+       }
+
+cleanup:
+       transaction->state = REF_TRANSACTION_CLOSED;
+       return ret;
+}
+
 char *shorten_unambiguous_ref(const char *refname, int strict)
 {
        int i;