New package: sbt 0.12.3, a Scala build tool

pkgs/development/tools/build-managers/sbt/default.nix

@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, writeScript, bash, jre }:
+
+let 
+
+  sbt = writeScript "sbt.sh" ''
+    #!${bash}/bin/bash
+    ${jre}/bin/java -Xms512M -Xmx1536M -Xss1M -XX:+CMSClassUnloadingEnabled \
+      -XX:MaxPermSize=384M -jar @out@/lib/sbt-launch.jar "$@"
+  '';
+
+in stdenv.mkDerivation rec {
+  name = "sbt-${version}";
+
+  version = "0.12.3";
+
+  src = fetchurl {
+    url = "http://scalasbt.artifactoryonline.com/scalasbt/sbt-native-packages/org/scala-sbt/sbt/${version}/sbt.tgz";
+    sha256 = "154ydaxd6ink5sy4flzpyh47nnhgkxwpzmml8q16am7655fpib08";
+  };
+
+  installPhase = ''
+    mkdir -p $out/lib $out/bin
+    mv bin/sbt-launch.jar $out/lib/
+    cp ${sbt} $out/bin/sbt
+    substituteInPlace $out/bin/sbt --replace @out@ $out
+  '';
+}

pkgs/top-level/all-packages.nix

@@ -3416,6 +3416,8 @@ let
     jre = jdk;
   };
 
+  sbt = callPackage ../development/tools/build-managers/sbt { };
+
   scons = callPackage ../development/tools/build-managers/scons { };
 
   simpleBuildTool = callPackage ../development/tools/build-managers/simple-build-tool { };