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-rw-r--r--builtin-ls-remote.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/builtin-ls-remote.c b/builtin-ls-remote.c
new file mode 100644
index 0000000..78a88f7
--- /dev/null
+++ b/builtin-ls-remote.c
@@ -0,0 +1,107 @@
+#include "builtin.h"
+#include "cache.h"
+#include "transport.h"
+#include "remote.h"
+
+static const char ls_remote_usage[] =
+"git ls-remote [--heads] [--tags] [-u <exec> | --upload-pack <exec>] <repository> <refs>...";
+
+/*
+ * Is there one among the list of patterns that match the tail part
+ * of the path?
+ */
+static int tail_match(const char **pattern, const char *path)
+{
+ const char *p;
+ char pathbuf[PATH_MAX];
+
+ if (!pattern)
+ return 1; /* no restriction */
+
+ if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
+ return error("insanely long ref %.*s...", 20, path);
+ while ((p = *(pattern++)) != NULL) {
+ if (!fnmatch(p, pathbuf, 0))
+ return 1;
+ }
+ return 0;
+}
+
+int cmd_ls_remote(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ const char *dest = NULL;
+ int nongit;
+ 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) || !strcmp("-t", arg)) {
+ flags |= REF_TAGS;
+ continue;
+ }
+ if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
+ flags |= REF_HEADS;
+ continue;
+ }
+ if (!strcmp("--refs", arg)) {
+ flags |= REF_NORMAL;
+ continue;
+ }
+ usage(ls_remote_usage);
+ }
+ dest = arg;
+ i++;
+ break;
+ }
+
+ if (!dest)
+ usage(ls_remote_usage);
+
+ if (argv[i]) {
+ int j;
+ pattern = xcalloc(sizeof(const char *), argc - i + 1);
+ for (j = i; j < argc; j++) {
+ int len = strlen(argv[j]);
+ char *p = xmalloc(len + 3);
+ sprintf(p, "*/%s", argv[j]);
+ pattern[j - i] = p;
+ }
+ }
+ 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 (transport_disconnect(transport))
+ 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;
+}