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2303cad242
While looking for a way to expand the URL of a remote that uses a 'url.<name>.insteadOf' config option I stumbled over the undocumented '--get-url' option of 'git ls-remote'. This adds some minimum documentation for that option. And while at it, also add that option to the '-h' output. Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "transport.h"
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#include "remote.h"
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static const char ls_remote_usage[] =
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"git ls-remote [--heads] [--tags] [-u <exec> | --upload-pack <exec>]\n"
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" [-q|--quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
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/*
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* Is there one among the list of patterns that match the tail part
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* of the path?
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*/
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static int tail_match(const char **pattern, const char *path)
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{
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const char *p;
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char pathbuf[PATH_MAX];
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if (!pattern)
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return 1; /* no restriction */
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if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
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return error("insanely long ref %.*s...", 20, path);
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while ((p = *(pattern++)) != NULL) {
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if (!fnmatch(p, pathbuf, 0))
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return 1;
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}
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return 0;
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}
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int cmd_ls_remote(int argc, const char **argv, const char *prefix)
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{
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int i;
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const char *dest = NULL;
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unsigned flags = 0;
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int get_url = 0;
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int quiet = 0;
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int status = 0;
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const char *uploadpack = NULL;
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const char **pattern = NULL;
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struct remote *remote;
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struct transport *transport;
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const struct ref *ref;
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if (argc == 2 && !strcmp("-h", argv[1]))
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usage(ls_remote_usage);
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (*arg == '-') {
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if (!prefixcmp(arg, "--upload-pack=")) {
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uploadpack = arg + 14;
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continue;
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}
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if (!prefixcmp(arg, "--exec=")) {
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uploadpack = arg + 7;
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continue;
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}
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if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
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flags |= REF_TAGS;
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continue;
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}
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if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
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flags |= REF_HEADS;
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continue;
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}
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if (!strcmp("--refs", arg)) {
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flags |= REF_NORMAL;
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continue;
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}
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if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
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quiet = 1;
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continue;
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}
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if (!strcmp("--get-url", arg)) {
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get_url = 1;
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continue;
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}
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if (!strcmp("--exit-code", arg)) {
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/* return this code if no refs are reported */
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status = 2;
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continue;
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}
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usage(ls_remote_usage);
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}
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dest = arg;
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i++;
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break;
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}
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if (argv[i]) {
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int j;
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pattern = xcalloc(sizeof(const char *), argc - i + 1);
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for (j = i; j < argc; j++) {
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int len = strlen(argv[j]);
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char *p = xmalloc(len + 3);
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sprintf(p, "*/%s", argv[j]);
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pattern[j - i] = p;
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}
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}
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remote = remote_get(dest);
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if (!remote) {
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if (dest)
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die("bad repository '%s'", dest);
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die("No remote configured to list refs from.");
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}
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if (!remote->url_nr)
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die("remote %s has no configured URL", dest);
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if (get_url) {
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printf("%s\n", *remote->url);
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return 0;
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}
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transport = transport_get(remote, NULL);
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if (uploadpack != NULL)
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transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
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ref = transport_get_remote_refs(transport);
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if (transport_disconnect(transport))
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return 1;
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if (!dest && !quiet)
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fprintf(stderr, "From %s\n", *remote->url);
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for ( ; ref; ref = ref->next) {
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if (!check_ref_type(ref, flags))
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continue;
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if (!tail_match(pattern, ref->name))
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continue;
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printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name);
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status = 0; /* we found something */
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}
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return status;
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}
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