Removed extra macros, used PLATFORM. Also removed MACOS, as it's redundant C code that's already encapsulated within PLATFORM.

data/core/keymap.lua

@@ -5,7 +5,7 @@ keymap.modkeys = {}
 keymap.map = {}
 keymap.reverse_map = {}
 
-local macos = rawget(_G, "MACOS")
+local macos = PLATFORM == "Mac OS X"
 
 -- Thanks to mathewmariani, taken from his lite-macos github repository.
 local modkeys_os = require("core.modkeys-" .. (macos and "macos" or "generic"))

data/core/start.lua

@@ -19,3 +19,4 @@ package.path = DATADIR .. '/?.lua;' .. package.path
 package.path = DATADIR .. '/?/init.lua;' .. package.path
 package.path = USERDIR .. '/?.lua;' .. package.path
 package.path = USERDIR .. '/?/init.lua;' .. package.path
+

src/main.c

@@ -140,8 +140,6 @@ init_lua:
   lua_setglobal(L, "EXEFILE");
 
 #ifdef __APPLE__
-  lua_pushboolean(L, true);
-  lua_setglobal(L, "MACOS");
   enable_momentum_scroll();
   #ifdef MACOS_USE_BUNDLE
     set_macos_bundle_resources(L);