Write scripts.c to right location even when called from a different working directory

scripts/embed.lua

@@ -96,38 +96,40 @@
 		table.insert(scripts, 1, "_premake_main.lua")
 
 		-- Embed all the scripts to a temporary file first
-		local out = io.tmpfile()
-		out:write("/* Premake's Lua scripts, as static data buffers for release mode builds */\n")
-		out:write("/* DO NOT EDIT - this file is autogenerated - see BUILD.txt */\n")
-		out:write("/* To regenerate this file, run: premake5 embed */ \n\n")
-		out:write("const char* builtin_scripts[] = {\n")
+		local file = io.tmpfile()
+		file:write("/* Premake's Lua scripts, as static data buffers for release mode builds */\n")
+		file:write("/* DO NOT EDIT - this file is autogenerated - see BUILD.txt */\n")
+		file:write("/* To regenerate this file, run: premake5 embed */ \n\n")
+		file:write("const char* builtin_scripts[] = {\n")
 
-		for i,fn in ipairs(scripts) do
+		for i, fn in ipairs(scripts) do
 			local s = stripfile(path.join(dir, fn))
-			writefile(out, fn, s)
+			writefile(file, fn, s)
 		end
 
-		out:write("\t0\n};\n");
+		file:write("\t0\n};\n");
 
 		-- Now read it back in and compare it to the current scripts.c; only
 		-- write it out if changed.
 
-		out:seek("set", 0)
-		local newVersion = out:read("*a")
-		out:close()
+		file:seek("set", 0)
+		local newVersion = file:read("*a")
+		file:close()
 
 		local oldVersion
-		local scriptsFile = io.open(path.join(basedir, "src/host/scripts.c"), "r")
-		if scriptsFile then
-			oldVersion = scriptsFile:read("*a")
-			scriptsFile:close()
+		local scriptsFile = path.join(basedir, "src/host/scripts.c")
+
+		local file = io.open(scriptsFile, "r")
+		if file then
+			oldVersion = file:read("*a")
+			file:close()
 		end
 
 		if newVersion ~= oldVersion then
 			print("Writing scripts.c")
-			scriptsFile = io.open("src/host/scripts.c", "w+b")
-			scriptsFile:write(newVersion)
-			scriptsFile:close()
+			file = io.open(scriptsFile, "w+b")
+			file:write(newVersion)
+			file:close()
 		end
 
 	end