From ded522b2ee00b8f325b5f5fe216d67dd8a15f42a Mon Sep 17 00:00:00 2001
From: Paul Ouellette <oue.paul18@gmail.com>
Date: Sat, 26 Jan 2019 08:12:20 -0500
Subject: [PATCH] Fix pkgmgr game install with RUN_IN_PLACE=0 (#8113)

---
 src/script/lua_api/l_mainmenu.cpp | 27 +++++++++++----------------
 src/script/lua_api/l_mainmenu.h   |  7 ++++---
 2 files changed, 15 insertions(+), 19 deletions(-)

diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 145ff0970..9b9211593 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -687,7 +687,7 @@ int ModApiMainMenu::l_get_texturepath_share(lua_State *L)
 int ModApiMainMenu::l_create_dir(lua_State *L) {
 	const char *path = luaL_checkstring(L, 1);
 
-	if (ModApiMainMenu::isMinetestPath(path)) {
+	if (ModApiMainMenu::mayModifyPath(path)) {
 		lua_pushboolean(L, fs::CreateAllDirs(path));
 		return 1;
 	}
@@ -703,7 +703,7 @@ int ModApiMainMenu::l_delete_dir(lua_State *L)
 
 	std::string absolute_path = fs::RemoveRelativePathComponents(path);
 
-	if (ModApiMainMenu::isMinetestPath(absolute_path)) {
+	if (ModApiMainMenu::mayModifyPath(absolute_path)) {
 		lua_pushboolean(L, fs::RecursiveDelete(absolute_path));
 		return 1;
 	}
@@ -728,7 +728,7 @@ int ModApiMainMenu::l_copy_dir(lua_State *L)
 	std::string absolute_destination = fs::RemoveRelativePathComponents(destination);
 	std::string absolute_source = fs::RemoveRelativePathComponents(source);
 
-	if ((ModApiMainMenu::isMinetestPath(absolute_destination))) {
+	if ((ModApiMainMenu::mayModifyPath(absolute_destination))) {
 		bool retval = fs::CopyDir(absolute_source,absolute_destination);
 
 		if (retval && (!keep_source)) {
@@ -750,7 +750,7 @@ int ModApiMainMenu::l_extract_zip(lua_State *L)
 
 	std::string absolute_destination = fs::RemoveRelativePathComponents(destination);
 
-	if (ModApiMainMenu::isMinetestPath(absolute_destination)) {
+	if (ModApiMainMenu::mayModifyPath(absolute_destination)) {
 		fs::CreateAllDirs(absolute_destination);
 
 		io::IFileSystem *fs = RenderingEngine::get_filesystem();
@@ -838,28 +838,23 @@ int ModApiMainMenu::l_get_mainmenu_path(lua_State *L)
 }
 
 /******************************************************************************/
-bool ModApiMainMenu::isMinetestPath(std::string path)
+bool ModApiMainMenu::mayModifyPath(const std::string &path)
 {
-	if (fs::PathStartsWith(path,fs::TempPath()))
+	if (fs::PathStartsWith(path, fs::TempPath()))
 		return true;
 
-	/* games */
-	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_share + DIR_DELIM + "games")))
+	if (fs::PathStartsWith(path, fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM "games")))
 		return true;
 
-	/* mods */
-	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "mods")))
+	if (fs::PathStartsWith(path, fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM "mods")))
 		return true;
 
-	/* mods */
-	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "textures")))
+	if (fs::PathStartsWith(path, fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM "textures")))
 		return true;
 
-	/* worlds */
-	if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "worlds")))
+	if (fs::PathStartsWith(path, fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM "worlds")))
 		return true;
 
-
 	return false;
 }
 
@@ -895,7 +890,7 @@ int ModApiMainMenu::l_download_file(lua_State *L)
 	//check path
 	std::string absolute_destination = fs::RemoveRelativePathComponents(target);
 
-	if (ModApiMainMenu::isMinetestPath(absolute_destination)) {
+	if (ModApiMainMenu::mayModifyPath(absolute_destination)) {
 		if (GUIEngine::downloadFile(url,absolute_destination)) {
 			lua_pushboolean(L,true);
 			return 1;
diff --git a/src/script/lua_api/l_mainmenu.h b/src/script/lua_api/l_mainmenu.h
index ae68edccf..9e7792197 100644
--- a/src/script/lua_api/l_mainmenu.h
+++ b/src/script/lua_api/l_mainmenu.h
@@ -53,11 +53,12 @@ private:
 	static int getBoolData(lua_State *L, std::string name,bool& valid);
 
 	/**
-	 * check if a path is within some of minetests folders
+	 * Checks if a path may be modified. Paths in the temp directory or the user
+	 * games, mods, textures, or worlds directories may be modified.
 	 * @param path path to check
-	 * @return true/false
+	 * @return true if the path may be modified
 	 */
-	static bool isMinetestPath(std::string path);
+	static bool mayModifyPath(const std::string &path);
 
 	//api calls