minecraftServers: move to by-name

pkgs/by-name/mi/minecraft-server/package.nix

@@ -0,0 +1 @@
+{ callPackage }: (callPackage ./versions.nix { }).vanilla

pkgs/by-name/mi/minecraft-server/versions.nix

@@ -0,0 +1,50 @@
+{
+  lib,
+  javaPackages,
+  stdenv,
+  fetchurl,
+  nixosTests,
+  makeWrapper,
+  udev,
+}:
+let
+  versions = lib.importJSON ./versions.json;
+
+  latestVersion = lib.last (builtins.sort lib.versionOlder (builtins.attrNames versions));
+  escapeVersion = builtins.replaceStrings [ "." ] [ "-" ];
+
+  getJavaVersion = v: (builtins.getAttr "openjdk${toString v}" javaPackages.compiler).headless;
+
+  mkVersion = (
+    version: value: {
+      name = "vanilla-${escapeVersion version}";
+      value = import ./derivation.nix {
+        inherit
+          lib
+          stdenv
+          fetchurl
+          nixosTests
+          makeWrapper
+          udev
+          ;
+        inherit (value) version url sha1;
+        jre_headless = getJavaVersion (
+          if value.javaVersion == null then
+            8
+          else if value.javaVersion == 16 then
+            17
+          else
+            value.javaVersion
+        ); # versions <= 1.6 will default to 8
+      };
+    }
+  );
+
+  packages = lib.mapAttrs' mkVersion versions;
+in
+lib.recurseIntoAttrs (
+  packages
+  // {
+    vanilla = (mkVersion latestVersion versions.${latestVersion}).value;
+  }
+)

pkgs/top-level/all-packages.nix

@@ -11137,8 +11137,7 @@ with pkgs;
     enableServer = true;
   };
 
-  minecraftServers = import ../games/minecraft-servers { inherit callPackage lib javaPackages; };
-  minecraft-server = minecraftServers.vanilla; # backwards compatibility
+  minecraftServers = callPackage ../by-name/mi/minecraft-server/versions.nix { };
 
   luanti-client = luanti.override { buildServer = false; };
   luanti-server = luanti.override { buildClient = false; };