lua{54,Jit}Packages.lua-pam: mark as broken

Removes the roll-your-own-broken-attribute that `disabled` was. The
advantage of `meta.broken`: It can be caught and properly handled by CI,
while the custom `throw` can not.

(cherry picked from commit 236cf1200e)

pkgs/development/lua-modules/generic/default.nix

@@ -5,15 +5,11 @@
 }:
 
 {
-  disabled ? false,
   propagatedBuildInputs ? [ ],
   makeFlags ? [ ],
   ...
 }@attrs:
 
-if disabled then
-  throw "${attrs.name} not supported by interpreter lua-${lua.luaversion}"
-else
 toLuaModule (
   lua.stdenv.mkDerivation (
     attrs

pkgs/top-level/lua-packages.nix

@@ -121,8 +121,6 @@ rec {
     buildLuaPackage rec {
       pname = "lua-pam";
       version = "unstable-2015-07-03";
-      # Needed for `disabled`, overridden in buildLuaPackage
-      name = "${pname}-${version}";
 
       src = fetchFromGitHub {
         owner = "devurandom";
@@ -147,10 +145,9 @@ rec {
         runHook postInstall
       '';
 
-      # The package does not build with lua 5.4 or luaJIT
-      disabled = luaAtLeast "5.4" || isLuaJIT;
-
       meta = with lib; {
+        # The package does not build with lua 5.4 or luaJIT
+        broken = luaAtLeast "5.4" || isLuaJIT;
         description = "Lua module for PAM authentication";
         homepage = "https://github.com/devurandom/lua-pam";
         license = licenses.mit;