patch provided by David Brown adding simple-build-tool which builds Scala packages

svn path=/nixpkgs/trunk/; revision=21671

pkgs/development/tools/build-managers/simple-build-tool/default.nix

@@ -0,0 +1,41 @@
+{ stdenv, fetchurl }:
+
+# Depends on a JRE at runtime.
+
+let
+  version = "0.7.3";
+in
+  stdenv.mkDerivation rec {
+    name = "simple-build-tool-${version}";
+    src = fetchurl {
+      url = "http://simple-build-tool.googlecode.com/files/sbt-launch-${version}.jar";
+      sha256 = "1nciifzf00cs54a4h57a7v1hyklm5vgln0sscmz5kzv96ggphs6k";
+    };
+
+    installPhase = ''
+      mkdir -pv "$out/lib/java"
+      cp $src "$out/lib/java/sbt-launch-${version}.jar"
+      mkdir -p "$out/bin"
+      cat > "$out/bin/sbt" <<EOF
+      #! /bin/sh
+      exec java -jar $out/lib/java/sbt-launch-${version}.jar "\$@"
+      EOF
+      chmod u+x "$out/bin/sbt"
+    '';
+
+    phases = "installPhase";
+
+    meta = {
+      description = "A build tool for Scala";
+      longDescription = ''
+        sbt is a simple build tool for Scala projects that aims to do the
+        basics well.
+
+	This package is the sbt launcher which automatically manages
+	and downloads dependencies, including the SBT package and the
+	Scala compiler.
+      '';
+      homepage = http://code.google.com/p/simple-build-tool/;
+      license = "bsd";
+    };
+  }

pkgs/top-level/all-packages.nix

@@ -3327,6 +3327,10 @@ let
     inherit fetchurl stdenv python makeWrapper;
   };
 
+  simpleBuildTool = import ../development/tools/build-managers/simple-build-tool {
+    inherit fetchurl stdenv;
+  };
+
   sloccount = import ../development/tools/misc/sloccount {
     inherit fetchurl stdenv perl;
   };