Merge branch 'jl/some-submodule-config-are-not-boolean' into maint

* jl/some-submodule-config-are-not-boolean:
  avoid segfault on submodule.*.path set to an empty "true"

Author: gitster

submodule.c

@@ -134,6 +134,9 @@ int parse_submodule_config_option(const char *var, const char *value)
 		return 0;
 
 	if (!strcmp(key, "path")) {
+		if (!value)
+			return config_error_nonbool(var);
+
 		config = unsorted_string_list_lookup(&config_name_for_path, value);
 		if (config)
 			free(config->util);
@@ -151,6 +154,9 @@ int parse_submodule_config_option(const char *var, const char *value)
 	} else if (!strcmp(key, "ignore")) {
 		char *name_cstr;
 
+		if (!value)
+			return config_error_nonbool(var);
+
 		if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
 		    strcmp(value, "all") && strcmp(value, "none")) {
 			warning("Invalid parameter \"%s\" for config option \"submodule.%s.ignore\"", value, var);

t/t7400-submodule-basic.sh

@@ -18,6 +18,16 @@ test_expect_success 'setup - initial commit' '
 	git branch initial
 '
 
+test_expect_success 'configuration parsing' '
+	test_when_finished "rm -f .gitmodules" &&
+	cat >.gitmodules <<-\EOF &&
+	[submodule "s"]
+		path
+		ignore
+	EOF
+	test_must_fail git status
+'
+
 test_expect_success 'setup - repository in init subdirectory' '
 	mkdir init &&
 	(