Merge branch 'jl/test-pause'
[gitweb.git] / builtin / clone.c
index 5f20082d6d0688c7481d012fd9461c92437e38f2..9dcc5fe775dc8dd38bb905869ee87a9dc685dfcf 100644 (file)
@@ -37,7 +37,7 @@ static const char * const builtin_clone_usage[] = {
        NULL
 };
 
-static int option_no_checkout, option_bare, option_mirror;
+static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
 static int option_local, option_no_hardlinks, option_shared, option_recursive;
 static char *option_template, *option_depth;
 static char *option_origin = NULL;
@@ -46,7 +46,9 @@ static const char *real_git_dir;
 static char *option_upload_pack = "git-upload-pack";
 static int option_verbosity;
 static int option_progress;
+static struct string_list option_config;
 static struct string_list option_reference;
+static const char *src_ref_prefix = "refs/heads/";
 
 static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
 {
@@ -83,17 +85,20 @@ static struct option builtin_clone_options[] = {
                   "directory from which templates will be used"),
        OPT_CALLBACK(0 , "reference", &option_reference, "repo",
                     "reference repository", &opt_parse_reference),
-       OPT_STRING('o', "origin", &option_origin, "branch",
-                  "use <branch> instead of 'origin' to track upstream"),
+       OPT_STRING('o', "origin", &option_origin, "name",
+                  "use <name> instead of 'origin' to track upstream"),
        OPT_STRING('b', "branch", &option_branch, "branch",
                   "checkout <branch> instead of the remote's HEAD"),
        OPT_STRING('u', "upload-pack", &option_upload_pack, "path",
                   "path to git-upload-pack on the remote"),
        OPT_STRING(0, "depth", &option_depth, "depth",
                    "create a shallow clone of that depth"),
+       OPT_BOOL(0, "single-branch", &option_single_branch,
+                   "clone only one branch, HEAD or --branch"),
        OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir",
                   "separate git dir from working tree"),
-
+       OPT_STRING_LIST('c', "config", &option_config, "key=value",
+                       "set config inside the new repository"),
        OPT_END()
 };
 
@@ -421,11 +426,32 @@ static void remove_junk_on_signal(int signo)
 static struct ref *wanted_peer_refs(const struct ref *refs,
                struct refspec *refspec)
 {
-       struct ref *local_refs = NULL;
-       struct ref **tail = &local_refs;
+       struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD"));
+       struct ref *local_refs = head;
+       struct ref **tail = head ? &head->next : &local_refs;
+
+       if (option_single_branch) {
+               struct ref *remote_head = NULL;
+
+               if (!option_branch)
+                       remote_head = guess_remote_head(head, refs, 0);
+               else {
+                       struct strbuf sb = STRBUF_INIT;
+                       strbuf_addstr(&sb, src_ref_prefix);
+                       strbuf_addstr(&sb, option_branch);
+                       remote_head = find_ref_by_name(refs, sb.buf);
+                       strbuf_release(&sb);
+               }
+
+               if (!remote_head && option_branch)
+                       warning(_("Could not find remote branch %s to clone."),
+                               option_branch);
+               else
+                       get_fetch_map(remote_head, refspec, &tail, 0);
+       } else
+               get_fetch_map(refs, refspec, &tail, 0);
 
-       get_fetch_map(refs, refspec, &tail, 0);
-       if (!option_mirror)
+       if (!option_mirror && !option_single_branch)
                get_fetch_map(refs, tag_refspec, &tail, 0);
 
        return local_refs;
@@ -435,13 +461,47 @@ static void write_remote_refs(const struct ref *local_refs)
 {
        const struct ref *r;
 
-       for (r = local_refs; r; r = r->next)
+       for (r = local_refs; r; r = r->next) {
+               if (!r->peer_ref)
+                       continue;
                add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
+       }
 
        pack_refs(PACK_REFS_ALL);
        clear_extra_refs();
 }
 
+static void write_followtags(const struct ref *refs, const char *msg)
+{
+       const struct ref *ref;
+       for (ref = refs; ref; ref = ref->next) {
+               if (prefixcmp(ref->name, "refs/tags/"))
+                       continue;
+               if (!suffixcmp(ref->name, "^{}"))
+                       continue;
+               if (!has_sha1_file(ref->old_sha1))
+                       continue;
+               update_ref(msg, ref->name, ref->old_sha1,
+                          NULL, 0, DIE_ON_ERR);
+       }
+}
+
+static int write_one_config(const char *key, const char *value, void *data)
+{
+       return git_config_set_multivar(key, value ? value : "true", "^$", 0);
+}
+
+static void write_config(struct string_list *config)
+{
+       int i;
+
+       for (i = 0; i < config->nr; i++) {
+               if (git_config_parse_parameter(config->items[i].string,
+                                              write_one_config, NULL) < 0)
+                       die("unable to write parameters to config file");
+       }
+}
+
 int cmd_clone(int argc, const char **argv, const char *prefix)
 {
        int is_bundle = 0, is_local;
@@ -456,7 +516,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
        struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
        struct transport *transport = NULL;
-       char *src_ref_prefix = "refs/heads/";
        int err = 0;
 
        struct refspec *refspec;
@@ -476,6 +535,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                usage_msg_opt(_("You must specify a repository to clone."),
                        builtin_clone_usage, builtin_clone_options);
 
+       if (option_single_branch == -1)
+               option_single_branch = option_depth ? 1 : 0;
+
        if (option_mirror)
                option_bare = 1;
 
@@ -555,11 +617,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 
        if (0 <= option_verbosity) {
                if (option_bare)
-                       printf(_("Cloning into bare repository %s...\n"), dir);
+                       printf(_("Cloning into bare repository '%s'...\n"), dir);
                else
-                       printf(_("Cloning into %s...\n"), dir);
+                       printf(_("Cloning into '%s'...\n"), dir);
        }
        init_db(option_template, INIT_DB_QUIET);
+       write_config(&option_config);
 
        /*
         * At this point, the config exists, so we do not need the
@@ -622,6 +685,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                if (option_depth)
                        transport_set_option(transport, TRANS_OPT_DEPTH,
                                             option_depth);
+               if (option_single_branch)
+                       transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
 
                transport_set_verbosity(transport, option_verbosity, option_progress);
 
@@ -640,6 +705,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                clear_extra_refs();
 
                write_remote_refs(mapped_refs);
+               if (option_single_branch)
+                       write_followtags(refs, reflog_msg.buf);
 
                remote_head = find_ref_by_name(refs, "HEAD");
                remote_head_points_at =