blame: default to HEAD in a bare repo when no start commit is given

diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index 540d56429f5cec4ace8655dd9a870089fc872d2c..1d7f1f5ce27834cafcf934db2085b36d4301e3c0 100644 (file)
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -1,7 +1,9 @@
 #include "builtin.h"
 #include "cache.h"
 #include "transport.h"
+#include "ref-filter.h"
 #include "remote.h"
+#include "refs.h"
 
 static const char * const ls_remote_usage[] = {
        N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
@@ -43,10 +45,15 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
        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;
 
        struct option options[] = {
                OPT__QUIET(&quiet, N_("do not print remote URL")),
@@ -60,14 +67,19 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
                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_CALLBACK(0 , "sort", sorting_tail, N_("key"),
+                            N_("field name to sort on"), &parse_opt_ref_sorting),
                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];
@@ -75,10 +87,16 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
        if (argc > 1) {
                int i;
                pattern = xcalloc(argc, sizeof(const char *));
-               for (i = 1; i < argc; i++)
+               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)
@@ -90,28 +108,46 @@ 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;
+               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->name);
-               printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
+                       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;
 }