refs.c: make ref_transaction_begin take an err argument

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 41121fa37bcb12a5fbd5180da6e0e3f316a4098e..96a53b92aed97142996c1071555e85bdcb333987 100644 (file)
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -258,8 +258,9 @@ static const char *parse_cmd_delete(struct strbuf *input, const char *next)
        if (*next != line_termination)
                die("delete %s: extra input: %s", refname, next);
 
-       ref_transaction_delete(transaction, refname, old_sha1,
-                              update_flags, have_old);
+       if (ref_transaction_delete(transaction, refname, old_sha1,
+                                  update_flags, have_old, &err))
+               die("%s", err.buf);
 
        update_flags = 0;
        free(refname);
@@ -364,7 +365,9 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
                die("Refusing to perform update with empty message.");
 
        if (read_stdin) {
-               transaction = ref_transaction_begin();
+               transaction = ref_transaction_begin(&err);
+               if (!transaction)
+                       die("%s", err.buf);
                if (delete || no_deref || argc > 0)
                        usage_with_options(git_update_ref_usage, options);
                if (end_null)
@@ -373,6 +376,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
                if (ref_transaction_commit(transaction, msg, &err))
                        die("%s", err.buf);
                ref_transaction_free(transaction);
+               strbuf_release(&err);
                return 0;
        }