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Diffstat (limited to 'builtin/symbolic-ref.c')
-rw-r--r--builtin/symbolic-ref.c44
1 files changed, 31 insertions, 13 deletions
diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index 2ef5962386..ce0fde705c 100644
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -4,55 +4,73 @@
#include "parse-options.h"
static const char * const git_symbolic_ref_usage[] = {
- "git symbolic-ref [options] name [ref]",
+ N_("git symbolic-ref [<options>] <name> [<ref>]"),
+ N_("git symbolic-ref -d [-q] <name>"),
NULL
};
-static void check_symref(const char *HEAD, int quiet)
+static int check_symref(const char *HEAD, int quiet, int shorten, int print)
{
unsigned char sha1[20];
int flag;
- const char *refs_heads_master = resolve_ref_unsafe(HEAD, sha1, 0, &flag);
+ const char *refname = resolve_ref_unsafe(HEAD, 0, sha1, &flag);
- if (!refs_heads_master)
+ if (!refname)
die("No such ref: %s", HEAD);
else if (!(flag & REF_ISSYMREF)) {
if (!quiet)
die("ref %s is not a symbolic ref", HEAD);
else
- exit(1);
+ return 1;
}
- puts(refs_heads_master);
+ if (print) {
+ if (shorten)
+ refname = shorten_unambiguous_ref(refname, 0);
+ puts(refname);
+ }
+ return 0;
}
int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
{
- int quiet = 0;
+ int quiet = 0, delete = 0, shorten = 0, ret = 0;
const char *msg = NULL;
struct option options[] = {
OPT__QUIET(&quiet,
- "suppress error message for non-symbolic (detached) refs"),
- OPT_STRING('m', NULL, &msg, "reason", "reason of the update"),
+ N_("suppress error message for non-symbolic (detached) refs")),
+ OPT_BOOL('d', "delete", &delete, N_("delete symbolic ref")),
+ OPT_BOOL(0, "short", &shorten, N_("shorten ref output")),
+ OPT_STRING('m', NULL, &msg, N_("reason"), N_("reason of the update")),
OPT_END(),
};
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) {
+ if (argc != 1)
+ usage_with_options(git_symbolic_ref_usage, options);
+ ret = check_symref(argv[0], 1, 0, 0);
+ if (ret)
+ die("Cannot delete %s, not a symbolic ref", argv[0]);
+ return delete_ref(argv[0], NULL, REF_NODEREF);
+ }
+
switch (argc) {
case 1:
- check_symref(argv[0], quiet);
+ ret = check_symref(argv[0], quiet, shorten, 1);
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;
default:
usage_with_options(git_symbolic_ref_usage, options);
}
- return 0;
+ return ret;
}