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#include "builtin.h"
#include "cache.h"
#include "transport.h"
#include "remote.h"
static const char ls_remote_usage[] =
"git-ls-remote [--upload-pack=<git-upload-pack>] [<host>:]<directory>";
/*
* pattern is a list of tail-part of accepted refnames. Is there one
* among them that is a suffix of the path? Directory boundary must
* be honored when checking this match. IOW, patterns "master" and
* "sa/master" both match path "refs/hold/sa/master". On the other
* hand, path "refs/hold/foosa/master" is matched by "master" but not
* by "sa/master".
*/
static int tail_match(const char **pattern, const char *path)
{
int pathlen;
const char *p;
if (!*pattern)
return 1; /* no restriction */
for (pathlen = strlen(path); (p = *pattern); pattern++) {
int pfxlen = pathlen - strlen(p);
if (pfxlen < 0)
continue; /* pattern is longer, will never match */
if (strcmp(path + pfxlen, p))
continue; /* no tail match */
if (!pfxlen || path[pfxlen - 1] == '/')
return 1; /* fully match at directory boundary */
}
return 0;
}
int cmd_ls_remote(int argc, const char **argv, const char *prefix)
{
int i;
const char *dest = NULL;
int nongit = 0;
unsigned flags = 0;
const char *uploadpack = NULL;
const char **pattern = NULL;
struct remote *remote;
struct transport *transport;
const struct ref *ref;
setup_git_directory_gently(&nongit);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (*arg == '-') {
if (!prefixcmp(arg, "--upload-pack=")) {
uploadpack = arg + 14;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
uploadpack = arg + 7;
continue;
}
if (!strcmp("--tags", arg)) {
flags |= REF_TAGS;
continue;
}
if (!strcmp("--heads", arg)) {
flags |= REF_HEADS;
continue;
}
if (!strcmp("--refs", arg)) {
flags |= REF_NORMAL;
continue;
}
usage(ls_remote_usage);
}
dest = arg;
break;
}
if (!dest)
usage(ls_remote_usage);
pattern = argv + i + 1;
remote = nongit ? NULL : remote_get(dest);
if (remote && !remote->url_nr)
die("remote %s has no configured URL", dest);
transport = transport_get(remote, remote ? remote->url[0] : dest);
if (uploadpack != NULL)
transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
ref = transport_get_remote_refs(transport);
if (!ref)
return 1;
for ( ; ref; ref = ref->next) {
if (!check_ref_type(ref, flags))
continue;
if (!tail_match(pattern, ref->name))
continue;
printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name);
}
return 0;
}
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