Revision 3a59bb22db24ff90c173ffb462fe67902a213d96 authored by Junio C Hamano on 07 December 2008, 23:13:02 UTC, committed by Junio C Hamano on 07 December 2008, 23:13:02 UTC
* maint: GIT 1.6.0.5 "git diff <tree>{3,}": do not reverse order of arguments tag: delete TAG_EDITMSG only on successful tag gitweb: Make project specific override for 'grep' feature work http.c: use 'git_config_string' to get 'curl_http_proxy' fetch-pack: Avoid memcpy() with src==dst
builtin-symbolic-ref.c
#include "builtin.h"
#include "cache.h"
#include "refs.h"
#include "parse-options.h"
static const char * const git_symbolic_ref_usage[] = {
"git symbolic-ref [options] name [ref]",
NULL
};
static void check_symref(const char *HEAD, int quiet)
{
unsigned char sha1[20];
int flag;
const char *refs_heads_master = resolve_ref(HEAD, sha1, 0, &flag);
if (!refs_heads_master)
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);
}
puts(refs_heads_master);
}
int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
{
int quiet = 0;
const char *msg = NULL;
struct option options[] = {
OPT__QUIET(&quiet),
OPT_STRING('m', NULL, &msg, "reason", "reason of the update"),
OPT_END(),
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, options, git_symbolic_ref_usage, 0);
if (msg &&!*msg)
die("Refusing to perform update with empty message");
switch (argc) {
case 1:
check_symref(argv[0], quiet);
break;
case 2:
create_symref(argv[0], argv[1], msg);
break;
default:
usage_with_options(git_symbolic_ref_usage, options);
}
return 0;
}
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