tree-diff: remove special-case diff-emitting code for empty-tree cases

diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index f48195942123692c95ad8e5585f853ad54a3dbe4..b6a711d3191a729e5f07aae20e3fc5343148c9b2 100644 (file)
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -47,7 +47,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
        git_config(git_default_config, NULL);
        argc = parse_options(argc, argv, prefix, options,
                             git_symbolic_ref_usage, 0);
-       if (msg &&!*msg)
+       if (msg && !*msg)
                die("Refusing to perform update with empty message");
 
        if (delete) {
@@ -65,7 +65,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
                break;
        case 2:
                if (!strcmp(argv[0], "HEAD") &&
-                   prefixcmp(argv[1], "refs/"))
+                   !starts_with(argv[1], "refs/"))
                        die("Refusing to point HEAD outside of refs/");
                create_symref(argv[0], argv[1], msg);
                break;