4 #include "parse-options.h"
6 static const char * const git_symbolic_ref_usage[] = {
7 "git symbolic-ref [options] name [ref]",
11 static void check_symref(const char *HEAD, int quiet)
13 unsigned char sha1[20];
15 const char *refs_heads_master = resolve_ref(HEAD, sha1, 0, &flag);
17 if (!refs_heads_master)
18 die("No such ref: %s", HEAD);
19 else if (!(flag & REF_ISSYMREF)) {
21 die("ref %s is not a symbolic ref", HEAD);
25 puts(refs_heads_master);
28 int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
31 const char *msg = NULL;
32 struct option options[] = {
34 OPT_STRING('m', NULL, &msg, "reason", "reason of the update"),
38 git_config(git_default_config, NULL);
39 argc = parse_options(argc, argv, options, git_symbolic_ref_usage, 0);
41 die("Refusing to perform update with empty message");
44 check_symref(argv[0], quiet);
47 create_symref(argv[0], argv[1], msg);
50 usage_with_options(git_symbolic_ref_usage, options);