Added backdown, which is a downloadable J2SDK. However, the builder still has to use 'yes yes' and more = cat.

svn path=/nixpkgs/trunk/; revision=1323

pkgs/development/compilers/blackdown/blackdown-i686.nix

@@ -0,0 +1,13 @@
+{stdenv, fetchurl}: 
+
+assert stdenv.system == "i686-linux";
+
+stdenv.mkDerivation {
+  name = "blackdown-1.4.2";
+  dirname = "j2sdk1.4.2";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = ftp://ftp.nluug.nl/pub/os/Linux/java/jdk/JDK-1.4.2/i386/rc1/j2sdk-1.4.2-rc1-linux-i586-gcc3.2.bin;
+    md5 = "52ff3a059845ee8487faeaa7b0c157c8";
+  };
+}

pkgs/development/compilers/blackdown/builder.sh

@@ -0,0 +1,21 @@
+set -e
+
+. $stdenv/setup
+
+cp $src .
+bin=`basename $src`
+chmod u+x $bin
+
+alias more=cat
+yes yes | ./$bin
+
+mkdir $out
+mv $dirname/* $out/
+
+# remove crap in the root directory
+for file in $out/*
+do
+  if test -f $file ; then
+    rm $file
+  fi
+done

pkgs/development/compilers/blackdown/default.nix

@@ -0,0 +1,9 @@
+{stdenv, fetchurl}: 
+
+if stdenv.system == "i686-linux"
+  then
+    (import ./blackdown-i686.nix) {
+      inherit stdenv fetchurl;
+    }
+  else
+    false

pkgs/system/all-packages-generic.nix

@@ -286,6 +286,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  blackdown = (import ../development/compilers/blackdown) {
+    inherit fetchurl stdenv;
+  };
+
   j2sdk = (import ../development/compilers/j2sdk) {
     inherit fetchurl stdenv;
   };