diff --git a/release.nix b/release.nix
index 7c45b7fa..ed15f22f 100644
--- a/release.nix
+++ b/release.nix
@@ -5,7 +5,7 @@
 
 
 rec {
-  tarball2 = 
+  tarball = 
     let pkgs = import nixpkgs {};
     in with pkgs;
 
@@ -17,54 +17,6 @@ rec {
       buildInputs = [ perl libxslt dblatex tetex ] ;
     };
 
-  tarball =
-    with import nixpkgs {};
-
-    releaseTools.makeSourceTarball {
-      name = "hydra-tarball";
-      version = "0.1";
-      src = hydraSrc;
-      inherit officialRelease;
-
-      buildInputs = [zip unzip];
-
-      jquery = fetchurl {
-        url = http://jqueryui.com/download/jquery-ui-1.8.4.custom.zip;
-        sha256 = "05ma2xm9dksq7x97lqs8lnkrrcy52h11p1dmnl8cwpfm45p0z7cp";
-      };
-
-      tablesorter = fetchurl {
-        url = http://tablesorter.com/jquery.tablesorter.zip;
-        sha256 = "013zgglvifvy0yg0ybjrl823sswy9v1ihf5nmighmcyigfd6nrhb";
-      };
-
-      flot = fetchurl {
-        url = http://flot.googlecode.com/files/flot-0.6.zip;
-        sha256 = "1k2mfijvr1jwga65wcd78lp9ia17v99f1cfm5nlmc0k8glllbj5a";
-      };
-
-      # Since we don't have a `make dist', just tar everything.
-      distPhase = ''
-        ensureDir src/root/static/js/jquery
-        unzip -d src/root/static/js/jquery $jquery
-        rm -rf src/root/static/js/tablesorter
-        unzip -d src/root/static/js $tablesorter
-        unzip -d src/root/static/js $flot
-
-        make -C src/sql
-
-        releaseName=hydra-0.1$VERSION_SUFFIX
-        ensureDir $out/tarballs
-        mkdir ../$releaseName
-        cp -prd . ../$releaseName
-        cd ..
-        tar cfj $out/tarballs/$releaseName.tar.bz2 $releaseName
-        tar cfz $out/tarballs/$releaseName.tar.gz $releaseName
-        zip -9r $out/tarballs/$releaseName.zip $releaseName
-      '';
-    };
-
-
   build = 
     { system ? "x86_64-linux" }:
 
@@ -74,38 +26,28 @@ rec {
 
     let nix = nixSqlite; in
 
-    stdenv.mkDerivation {
+    releaseTools.nixBuild {
       name = "hydra-${tarball.version}";
+      src = tarball; 
+      configureFlags = "--with-nix=${nix}";
 
       buildInputs =
-        [ perl makeWrapper libtool dblatex ]
+        [ perl makeWrapper libtool dblatex nix unzip ]
         ++ (import ./deps.nix) { inherit pkgs; };
 
-      preUnpack = ''
-        src=$(ls ${tarball}/tarballs/*.tar.bz2)
-      ''; 
-
       hydraPath = stdenv.lib.concatStringsSep ":" (map (p: "${p}/bin") ( [
         libxslt sqlite subversion openssh nix coreutils findutils
         gzip bzip2 lzma gnutar unzip git mercurial
         gnused graphviz
       ] ++ ( if stdenv.isLinux then [rpm dpkg cdrkit] else [] )));
 
-      installPhase = ''
+      postInstall = ''
         ensureDir $out/nix-support
 
-        ensureDir $out/libexec
-        cp -prd src $out/libexec/hydra
-
-        mv $out/libexec/hydra/script $out/bin
-
         cp ${"${nixpkgs}/pkgs/build-support/fetchsvn/nix-prefetch-svn"} $out/bin/nix-prefetch-svn
         cp ${"${nixpkgs}/pkgs/build-support/fetchgit/nix-prefetch-git"} $out/bin/nix-prefetch-git
         cp ${"${nixpkgs}/pkgs/build-support/fetchhg/nix-prefetch-hg"} $out/bin/nix-prefetch-hg
 
-        make -C src/c NIX=${nix} ATERM=${aterm}
-        cp src/c/hydra_eval_jobs $out/bin
-
         for i in $out/bin/*; do
             wrapProgram $i \
                 --prefix PERL5LIB ':' $out/libexec/hydra/lib:$PERL5LIB \
@@ -115,14 +57,8 @@ rec {
                 --set NIX_RELEASE ${nix.name}
         done
 
-        ensureDir $out/share/doc/hydra/manual
-        cp doc/manual/* $out/share/doc/hydra/manual/
-        make -C doc/manual manual.pdf
         echo "doc-pdf manual $out/share/doc/hydra/manual/manual.pdf" >> $out/nix-support/hydra-build-products
         echo "nix-build none $out" >> $out/nix-support/hydra-build-products
-
-        ensureDir $out/share/hydra/sql
-        cp src/sql/*.sql $out/share/hydra/sql/
       ''; # */
 
       meta = {