Imported Upstream version 2.22.0
[platform/upstream/git.git] / builtin / ls-remote.c
index 41c88a9..6ef5195 100644 (file)
@@ -1,11 +1,16 @@
 #include "builtin.h"
 #include "cache.h"
 #include "transport.h"
+#include "ref-filter.h"
 #include "remote.h"
+#include "refs.h"
 
-static const char ls_remote_usage[] =
-"git ls-remote [--heads] [--tags]  [-u <exec> | --upload-pack <exec>]\n"
-"                     [-q|--quiet] [--exit-code] [<repository> [<refs>...]]";
+static const char * const ls_remote_usage[] = {
+       N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
+          "                     [-q | --quiet] [--exit-code] [--get-url]\n"
+          "                     [--symref] [<repository> [<refs>...]]"),
+       NULL
+};
 
 /*
  * Is there one among the list of patterns that match the tail part
@@ -14,92 +19,83 @@ static const char ls_remote_usage[] =
 static int tail_match(const char **pattern, const char *path)
 {
        const char *p;
-       char pathbuf[PATH_MAX];
+       char *pathbuf;
 
        if (!pattern)
                return 1; /* no restriction */
 
-       if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
-               return error("insanely long ref %.*s...", 20, path);
+       pathbuf = xstrfmt("/%s", path);
        while ((p = *(pattern++)) != NULL) {
-               if (!fnmatch(p, pathbuf, 0))
+               if (!wildmatch(p, pathbuf, 0)) {
+                       free(pathbuf);
                        return 1;
+               }
        }
+       free(pathbuf);
        return 0;
 }
 
 int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 {
-       int i;
        const char *dest = NULL;
        unsigned flags = 0;
        int get_url = 0;
        int quiet = 0;
        int status = 0;
+       int show_symref_target = 0;
        const char *uploadpack = NULL;
        const char **pattern = NULL;
+       struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
+       int i;
+       struct string_list server_options = STRING_LIST_INIT_DUP;
 
        struct remote *remote;
        struct transport *transport;
        const struct ref *ref;
+       struct ref_array ref_array;
+       static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
 
-       if (argc == 2 && !strcmp("-h", argv[1]))
-               usage(ls_remote_usage);
-
-       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;
-                       }
-                       if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
-                               quiet = 1;
-                               continue;
-                       }
-                       if (!strcmp("--get-url", arg)) {
-                               get_url = 1;
-                               continue;
-                       }
-                       if (!strcmp("--exit-code", arg)) {
-                               /* return this code if no refs are reported */
-                               status = 2;
-                               continue;
-                       }
-                       usage(ls_remote_usage);
-               }
-               dest = arg;
-               i++;
-               break;
-       }
+       struct option options[] = {
+               OPT__QUIET(&quiet, N_("do not print remote URL")),
+               OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
+                          N_("path of git-upload-pack on the remote host")),
+               { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
+                          N_("path of git-upload-pack on the remote host"),
+                          PARSE_OPT_HIDDEN },
+               OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
+               OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
+               OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
+               OPT_BOOL(0, "get-url", &get_url,
+                        N_("take url.<base>.insteadOf into account")),
+               OPT_REF_SORT(sorting_tail),
+               OPT_SET_INT_F(0, "exit-code", &status,
+                             N_("exit with exit code 2 if no matching refs are found"),
+                             2, PARSE_OPT_NOCOMPLETE),
+               OPT_BOOL(0, "symref", &show_symref_target,
+                        N_("show underlying ref in addition to the object pointed by it")),
+               OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
+               OPT_END()
+       };
+
+       memset(&ref_array, 0, sizeof(ref_array));
+
+       argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
+                            PARSE_OPT_STOP_AT_NON_OPTION);
+       dest = argv[0];
 
-       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;
+       if (argc > 1) {
+               int i;
+               pattern = xcalloc(argc, sizeof(const char *));
+               for (i = 1; i < argc; i++) {
+                       pattern[i - 1] = xstrfmt("*/%s", argv[i]);
                }
        }
+
+       if (flags & REF_TAGS)
+               argv_array_push(&ref_prefixes, "refs/tags/");
+       if (flags & REF_HEADS)
+               argv_array_push(&ref_prefixes, "refs/heads/");
+
        remote = remote_get(dest);
        if (!remote) {
                if (dest)
@@ -111,26 +107,46 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 
        if (get_url) {
                printf("%s\n", *remote->url);
+               UNLEAK(sorting);
                return 0;
        }
 
        transport = transport_get(remote, NULL);
        if (uploadpack != NULL)
                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
+       if (server_options.nr)
+               transport->server_options = &server_options;
 
-       ref = transport_get_remote_refs(transport);
-       if (transport_disconnect(transport))
+       ref = transport_get_remote_refs(transport, &ref_prefixes);
+       if (transport_disconnect(transport)) {
+               UNLEAK(sorting);
                return 1;
+       }
 
        if (!dest && !quiet)
                fprintf(stderr, "From %s\n", *remote->url);
        for ( ; ref; ref = ref->next) {
+               struct ref_array_item *item;
                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);
+               item = ref_array_push(&ref_array, ref->name, &ref->old_oid);
+               item->symref = xstrdup_or_null(ref->symref);
+       }
+
+       if (sorting)
+               ref_array_sort(sorting, &ref_array);
+
+       for (i = 0; i < ref_array.nr; i++) {
+               const struct ref_array_item *ref = ref_array.items[i];
+               if (show_symref_target && ref->symref)
+                       printf("ref: %s\t%s\n", ref->symref, ref->refname);
+               printf("%s\t%s\n", oid_to_hex(&ref->objectname), ref->refname);
                status = 0; /* we found something */
        }
+
+       UNLEAK(sorting);
+       ref_array_clear(&ref_array);
        return status;
 }