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#include "cache.h"
static const char git_symbolic_ref_usage[] =
"git-symbolic-ref name [ref]";
static int 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 main(int argc, const char **argv)
{
setup_git_directory();
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;
}
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