From 790108746678cf48023eb98e17644d3364e37486 Mon Sep 17 00:00:00 2001
From: cx384 <cx384@proton.me>
Date: Mon, 12 Feb 2024 23:21:19 +0100
Subject: [PATCH] Rename `MINETEST_SUBGAME_PATH` to `MINETEST_GAME_PATH`
 (#14351)

---
 doc/minetest.6                         |  2 +-
 src/content/subgames.cpp               | 15 ++++++++++++++-
 src/unittest/test_servermodmanager.cpp |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/doc/minetest.6 b/doc/minetest.6
index 06062721e..dcd38501f 100644
--- a/doc/minetest.6
+++ b/doc/minetest.6
@@ -119,7 +119,7 @@ Display an interactive terminal over ncurses during execution.
 
 .SH ENVIRONMENT
 .TP
-.B MINETEST_SUBGAME_PATH
+.B MINETEST_GAME_PATH
 Colon delimited list of directories to search for games.
 .TP
 .B MINETEST_MOD_PATH
diff --git a/src/content/subgames.cpp b/src/content/subgames.cpp
index c50c6f429..c1d8189e6 100644
--- a/src/content/subgames.cpp
+++ b/src/content/subgames.cpp
@@ -77,8 +77,21 @@ struct GameFindPath
 
 std::string getSubgamePathEnv()
 {
+	static bool has_warned = false;
 	char *subgame_path = getenv("MINETEST_SUBGAME_PATH");
-	return subgame_path ? std::string(subgame_path) : "";
+	if (subgame_path && !has_warned) {
+		warningstream << "MINETEST_SUBGAME_PATH is deprecated, use MINETEST_GAME_PATH instead."
+				<< std::endl;
+		has_warned = true;
+	}
+
+	char *game_path = getenv("MINETEST_GAME_PATH");
+
+	if (game_path)
+		return std::string(game_path);
+	else if (subgame_path)
+		return std::string(subgame_path);
+	return "";
 }
 
 SubgameSpec findSubgame(const std::string &id)
diff --git a/src/unittest/test_servermodmanager.cpp b/src/unittest/test_servermodmanager.cpp
index 30b02f184..f023e3a3b 100644
--- a/src/unittest/test_servermodmanager.cpp
+++ b/src/unittest/test_servermodmanager.cpp
@@ -82,7 +82,7 @@ void TestServerModManager::runTests(IGameDef *gamedef)
 	TEST(testGetModNames);
 	TEST(testGetModMediaPathsWrongDir);
 	TEST(testGetModMediaPaths);
-	// TODO: test MINETEST_SUBGAME_PATH
+	// TODO: test MINETEST_GAME_PATH
 
 	unsetenv("MINETEST_MOD_PATH");
 }