summaryrefslogtreecommitdiff
path: root/builtin-symbolic-ref.c
blob: 6f18db870a2e4ea020034533243617ceb6275afa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#include "builtin.h"
#include "cache.h"
 
static const char git_symbolic_ref_usage[] =
"git-symbolic-ref name [ref]";
 
static void check_symref(const char *HEAD)
{
	unsigned char sha1[20];
	const char *refs_heads_master = resolve_ref("HEAD", sha1, 0);
 
	if (!refs_heads_master)
		die("No such ref: %s", HEAD);
	puts(refs_heads_master);
}
 
int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
{
	git_config(git_default_config);
	switch (argc) {
	case 2:
		check_symref(argv[1]);
		break;
	case 3:
		create_symref(argv[1], argv[2]);
		break;
	default:
		usage(git_symbolic_ref_usage);
	}
	return 0;
}