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Make git-symbolic-ref a builtin

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Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Matthias Kestenholz
2006-08-03 17:24:38 +02:00
committed by Junio C Hamano
parent 6441363079
commit 640ce1052b
4 changed files with 7 additions and 5 deletions
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35
builtin-symbolic-ref.c Normal file
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#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 *git_HEAD = strdup(git_path("%s", HEAD));
const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 0);
if (git_refs_heads_master) {
/* we want to strip the .git/ part */
int pfxlen = strlen(git_HEAD) - strlen(HEAD);
puts(git_refs_heads_master + pfxlen);
}
else
die("No such ref: %s", HEAD);
}
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(strdup(git_path("%s", argv[1])), argv[2]);
break;
default:
usage(git_symbolic_ref_usage);
}
return 0;
}