1 files changed, 23 insertions, 18 deletions

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index b80fc4ba3d..13da32d3b7 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -348,7 +348,7 @@ static int module_list_compute(int argc, const char **argv,
 			i++;
 	}
 
-	if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
+	if (ps_matched && report_path_error(ps_matched, pathspec))
 		result = -1;
 
 	free(ps_matched);
@@ -566,12 +566,12 @@ static int module_foreach(int argc, const char **argv, const char *prefix)
 	};
 
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper foreach [--quiet] [--recursive] <command>"),
+		N_("git submodule--helper foreach [--quiet] [--recursive] [--] <command>"),
 		NULL
 	};
 
 	argc = parse_options(argc, argv, prefix, module_foreach_options,
-			     git_submodule_helper_usage, PARSE_OPT_KEEP_UNKNOWN);
+			     git_submodule_helper_usage, 0);
 
 	if (module_list_compute(0, NULL, prefix, &pathspec, &list) < 0)
 		return 1;
@@ -709,7 +709,7 @@ static int module_init(int argc, const char **argv, const char *prefix)
 	};
 
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper init [<path>]"),
+		N_("git submodule--helper init [<options>] [<path>]"),
 		NULL
 	};
 
@@ -1301,7 +1301,7 @@ static int add_possible_reference_from_superproject(
 				die(_("submodule '%s' cannot add alternate: %s"),
 				    sas->submodule_name, err.buf);
 			case SUBMODULE_ALTERNATE_ERROR_INFO:
-				fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
+				fprintf_ln(stderr, _("submodule '%s' cannot add alternate: %s"),
 					sas->submodule_name, err.buf);
 			case SUBMODULE_ALTERNATE_ERROR_IGNORE:
 				; /* nothing */
@@ -1816,11 +1816,10 @@ static int update_submodules(struct submodule_update_clone *suc)
 {
 	int i;
 
-	run_processes_parallel(suc->max_jobs,
-			       update_clone_get_next_task,
-			       update_clone_start_failure,
-			       update_clone_task_finished,
-			       suc);
+	run_processes_parallel_tr2(suc->max_jobs, update_clone_get_next_task,
+				   update_clone_start_failure,
+				   update_clone_task_finished, suc, "submodule",
+				   "parallel/update");
 
 	/*
 	 * We saved the output and put it out all at once now.
@@ -2097,7 +2096,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
 	};
 
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper embed-git-dir [<path>...]"),
+		N_("git submodule--helper absorb-git-dirs [<options>] [<path>...]"),
 		NULL
 	};
 
@@ -2108,8 +2107,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
 		return 1;
 
 	for (i = 0; i < list.nr; i++)
-		absorb_git_dir_into_superproject(prefix,
-				list.entries[i]->name, flags);
+		absorb_git_dir_into_superproject(list.entries[i]->name, flags);
 
 	return 0;
 }
@@ -2148,17 +2146,22 @@ static int check_name(int argc, const char **argv, const char *prefix)
 static int module_config(int argc, const char **argv, const char *prefix)
 {
 	enum {
-		CHECK_WRITEABLE = 1
+		CHECK_WRITEABLE = 1,
+		DO_UNSET = 2
 	} command = 0;
 
 	struct option module_config_options[] = {
 		OPT_CMDMODE(0, "check-writeable", &command,
 			    N_("check if it is safe to write to the .gitmodules file"),
 			    CHECK_WRITEABLE),
+		OPT_CMDMODE(0, "unset", &command,
+			    N_("unset the config in the .gitmodules file"),
+			    DO_UNSET),
 		OPT_END()
 	};
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper config name [value]"),
+		N_("git submodule--helper config <name> [<value>]"),
+		N_("git submodule--helper config --unset <name>"),
 		N_("git submodule--helper config --check-writeable"),
 		NULL
 	};
@@ -2170,15 +2173,17 @@ static int module_config(int argc, const char **argv, const char *prefix)
 		return is_writing_gitmodules_ok() ? 0 : -1;
 
 	/* Equivalent to ACTION_GET in builtin/config.c */
-	if (argc == 2)
+	if (argc == 2 && command != DO_UNSET)
 		return print_config_from_gitmodules(the_repository, argv[1]);
 
 	/* Equivalent to ACTION_SET in builtin/config.c */
-	if (argc == 3) {
+	if (argc == 3 || (argc == 2 && command == DO_UNSET)) {
+		const char *value = (argc == 3) ? argv[2] : NULL;
+
 		if (!is_writing_gitmodules_ok())
 			die(_("please make sure that the .gitmodules file is in the working tree"));
 
-		return config_set_in_gitmodules_file_gently(argv[1], argv[2]);
+		return config_set_in_gitmodules_file_gently(argv[1], value);
 	}
 
 	usage_with_options(git_submodule_helper_usage, module_config_options);