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-rw-r--r--builtin-update-ref.c65
1 files changed, 25 insertions, 40 deletions
diff --git a/builtin-update-ref.c b/builtin-update-ref.c
index fe1f74c9f3..e90737c350 100644
--- a/builtin-update-ref.c
+++ b/builtin-update-ref.c
@@ -1,59 +1,44 @@
#include "cache.h"
#include "refs.h"
#include "builtin.h"
+#include "parse-options.h"
-static const char git_update_ref_usage[] =
-"git-update-ref [-m <reason>] (-d <refname> <value> | [--no-deref] <refname> <value> [<oldval>])";
+static const char * const git_update_ref_usage[] = {
+ "git-update-ref [options] -d <refname> <oldval>",
+ "git-update-ref [options] <refname> <newval> [<oldval>]",
+ NULL
+};
int cmd_update_ref(int argc, const char **argv, const char *prefix)
{
- const char *refname=NULL, *value=NULL, *oldval=NULL, *msg=NULL;
+ const char *refname, *value, *oldval, *msg=NULL;
unsigned char sha1[20], oldsha1[20];
- int i, delete, ref_flags;
+ int delete = 0, no_deref = 0;
+ struct option options[] = {
+ OPT_STRING( 'm', NULL, &msg, "reason", "reason of the update"),
+ OPT_BOOLEAN('d', NULL, &delete, "deletes the reference"),
+ OPT_BOOLEAN( 0 , "no-deref", &no_deref,
+ "update <refname> not the one it points to"),
+ OPT_END(),
+ };
- delete = 0;
- ref_flags = 0;
git_config(git_default_config);
+ argc = parse_options(argc, argv, options, git_update_ref_usage, 0);
+ if (msg && !*msg)
+ die("Refusing to perform update with empty message.");
- for (i = 1; i < argc; i++) {
- if (!strcmp("-m", argv[i])) {
- if (i+1 >= argc)
- usage(git_update_ref_usage);
- msg = argv[++i];
- if (!*msg)
- die("Refusing to perform update with empty message.");
- continue;
- }
- if (!strcmp("-d", argv[i])) {
- delete = 1;
- continue;
- }
- if (!strcmp("--no-deref", argv[i])) {
- ref_flags |= REF_NODEREF;
- continue;
- }
- if (!refname) {
- refname = argv[i];
- continue;
- }
- if (!value) {
- value = argv[i];
- continue;
- }
- if (!oldval) {
- oldval = argv[i];
- continue;
- }
- }
- if (!refname || !value)
- usage(git_update_ref_usage);
+ if (argc < 2 || argc > 3)
+ usage_with_options(git_update_ref_usage, options);
+ refname = argv[0];
+ value = argv[1];
+ oldval = argv[2];
if (get_sha1(value, sha1))
die("%s: not a valid SHA1", value);
if (delete) {
if (oldval)
- usage(git_update_ref_usage);
+ usage_with_options(git_update_ref_usage, options);
return delete_ref(refname, sha1);
}
@@ -62,5 +47,5 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
die("%s: not a valid old SHA1", oldval);
return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
- ref_flags, DIE_ON_ERR);
+ no_deref ? REF_NODEREF : 0, DIE_ON_ERR);
}