Add callback data to for_each_ref() family.
[git/git.git] / builtin-symbolic-ref.c
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640ce105 1#include "builtin.h"
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2#include "cache.h"
3
4static const char git_symbolic_ref_usage[] =
5"git-symbolic-ref name [ref]";
6
f5a5e9b9 7static void check_symref(const char *HEAD)
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8{
9 unsigned char sha1[20];
cc4c4f0c 10 const char *refs_heads_master = resolve_ref(HEAD, sha1, 0);
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11
12 if (!refs_heads_master)
8098a178 13 die("No such ref: %s", HEAD);
ed378ec7 14 puts(refs_heads_master);
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15}
16
640ce105 17int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
8098a178 18{
27dedf0c 19 git_config(git_default_config);
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20 switch (argc) {
21 case 2:
22 check_symref(argv[1]);
23 break;
24 case 3:
ed378ec7 25 create_symref(argv[1], argv[2]);
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26 break;
27 default:
28 usage(git_symbolic_ref_usage);
29 }
30 return 0;
31}