tiny-remapper: init

nix/pkgs/default.nix

@@ -18,5 +18,6 @@
   envoy = import ./envoy args;
   deluge = import ./deluge args;
   grafana-plugins = import ./grafana-plugins args;
+  tiny-remapper = import ./tiny-remapper.nix args;
 } // (import ./heptapod-runner.nix args)
   // (import ./lightspeed args)

nix/pkgs/tiny-remapper.nix

@@ -0,0 +1,27 @@
+{ depot, pkgs, ... }:
+let
+  inherit (pkgs) stdenvNoCC fetchurl makeWrapper;
+  java = pkgs.jdk;
+in
+stdenvNoCC.mkDerivation rec {
+  pname = "tiny-remapper";
+  version = "0.3.2";
+
+  src = fetchurl {
+    url = "https://maven.fabricmc.net/net/fabricmc/tiny-remapper/${version}/tiny-remapper-${version}-fat.jar";
+    sha256 = "d8301fbe684d10849003dc92d18f24ec53cf755c3a6fdfe371d581cb30bd47e1";
+  };
+
+  dontBuild = true;
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/lib $out/bin
+    cp $src $out/lib/tiny-remapper-${version}-fat.jar
+    makeWrapper ${java}/bin/java $out/bin/tiny-remapper \
+      --set JAVA_HOME ${java} \
+      --add-flags "-jar $out/lib/tiny-remapper-${version}-fat.jar"
+  '';
+}