send-email: simplify Gmail example in the documentation

diff --git a/builtin/clone.c b/builtin/clone.c
index 661639255c564acf3f811e20a0ca3141805cde5d..5f867e67d8066fe70fdd67c3d8e2853ea6c3eaa1 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -40,6 +40,7 @@ static const char * const builtin_clone_usage[] = {
 
 static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
 static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
+static int option_shallow_submodules = -1;
 static char *option_template, *option_depth;
 static char *option_origin = NULL;
 static char *option_branch = NULL;
@@ -51,6 +52,7 @@ static enum transport_family family;
 static struct string_list option_config;
 static struct string_list option_reference;
 static int option_dissociate;
+static int max_jobs = -1;
 
 static struct option builtin_clone_options[] = {
        OPT__VERBOSITY(&option_verbosity),
@@ -73,6 +75,8 @@ static struct option builtin_clone_options[] = {
                    N_("initialize submodules in the clone")),
        OPT_BOOL(0, "recurse-submodules", &option_recursive,
                    N_("initialize submodules in the clone")),
+       OPT_INTEGER('j', "jobs", &max_jobs,
+                   N_("number of submodules cloned in parallel")),
        OPT_STRING(0, "template", &option_template, N_("template-directory"),
                   N_("directory from which templates will be used")),
        OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
@@ -89,6 +93,8 @@ static struct option builtin_clone_options[] = {
                    N_("create a shallow clone of that depth")),
        OPT_BOOL(0, "single-branch", &option_single_branch,
                    N_("clone only one branch, HEAD or --branch")),
+       OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
+                   N_("any cloned submodules will be shallow")),
        OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
                   N_("separate git dir from working tree")),
        OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
@@ -100,10 +106,6 @@ static struct option builtin_clone_options[] = {
        OPT_END()
 };
 
-static const char *argv_submodule[] = {
-       "submodule", "update", "--init", "--recursive", NULL
-};
-
 static const char *get_repo_path_1(struct strbuf *path, int *is_bundle)
 {
        static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
@@ -732,8 +734,20 @@ static int checkout(void)
        err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
                           sha1_to_hex(sha1), "1", NULL);
 
-       if (!err && option_recursive)
-               err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
+       if (!err && option_recursive) {
+               struct argv_array args = ARGV_ARRAY_INIT;
+               argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
+
+               if (option_shallow_submodules == 1
+                   || (option_shallow_submodules == -1 && option_depth))
+                       argv_array_push(&args, "--depth=1");
+
+               if (max_jobs != -1)
+                       argv_array_pushf(&args, "--jobs=%d", max_jobs);
+
+               err = run_command_v_opt(args.argv, RUN_GIT_CMD);
+               argv_array_clear(&args);
+       }
 
        return err;
 }