Stop echoing the command

mkClojureLib.nix

@@ -31,23 +31,21 @@ in stdenv.mkDerivation {
   nativeBuildInputs = [ clojure ];
   buildInputs = (map (x: x.paths) clj-deps.packages);
 
-  buildPhase = let
+  buildPhase = ''
-    cmd = ''
+    HOME=$TEMP/home
-      HOME=$TEMP/home
+    mkdir -p $HOME
-      mkdir -p $HOME
+    mkdir -p ${target}
-      mkdir -p ${target}
 
-      clojure \
+    clojure \
-        -Scp     .:${build-tools-jar}:${classpath} \
+      -Scp     .:${build-tools-jar}:${classpath} \
-        -Sdeps   ${build-tool-deps} \
+      -Sdeps   ${build-tools-deps} \
-        -X:build \
+      -X:build \
-        lib-uberjar \
+      lib-uberjar \
-        :project ${group}/${name} \
+      :project ${group}/${name} \
-        :version ${version} \
+      :version ${version} \
-        :srcs    ${concatStringsSep "," src-paths} \
+      :srcs    ${concatStringsSep "," src-paths} \
-        :target  ${target}
+      :target  ${target}
-    '';
+  '';
-  in builtins.trace cmd cmd;
 
   installPhase = ''
     mv ${target}/${name}-${version}-standalone.jar $out