You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.2 KiB
56 lines
1.2 KiB
#include "cache.h" |
|
#include "refs.h" |
|
|
|
static const char git_update_ref_usage[] = |
|
"git-update-ref <refname> <value> [<oldval>] [-m <reason>]"; |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
const char *refname=NULL, *value=NULL, *oldval=NULL, *msg=NULL; |
|
struct ref_lock *lock; |
|
unsigned char sha1[20], oldsha1[20]; |
|
int i; |
|
|
|
setup_git_directory(); |
|
git_config(git_default_config); |
|
|
|
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."); |
|
if (strchr(msg, '\n')) |
|
die("Refusing to perform update with \\n in message."); |
|
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 (get_sha1(value, sha1)) |
|
die("%s: not a valid SHA1", value); |
|
memset(oldsha1, 0, 20); |
|
if (oldval && get_sha1(oldval, oldsha1)) |
|
die("%s: not a valid old SHA1", oldval); |
|
|
|
lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL, 0); |
|
if (!lock) |
|
return 1; |
|
if (write_ref_sha1(lock, sha1, msg) < 0) |
|
return 1; |
|
return 0; |
|
}
|
|
|