* Latest unstable Nix.

svn path=/nixpkgs/trunk/; revision=9274

pkgs/tools/archivers/p7zip/default.nix

@@ -2,11 +2,18 @@
 
 stdenv.mkDerivation {
   name = "p7zip-4.53";
+  
   src = fetchurl {
     url = mirror://sourceforge/p7zip/p7zip_4.53_src_all.tar.bz2;
     sha256 = "0pbgvpq852qnzq4isgc13p4nnp416xhy5vmn1rcwm8fk43l5rbqd";
   };
+  
   preConfigure = "
     makeFlagsArray=(DEST_HOME=$out)
   ";
+
+  meta = {
+    homepage = http://p7zip.sourceforge.net/;
+    description = "A port of the 7-zip archiver";
+  };
 }

pkgs/tools/package-management/nix/unstable.nix

@@ -3,12 +3,14 @@
 , stateDir ? "/nix/var"
 }:
 
+let version = "0.11pre9253"; in
+
 stdenv.mkDerivation {
-  name = "nix-0.11pre9217";
+  name = "nix-${version}";
   
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/nix/nix-0.11pre9217/nix-0.11pre9217.tar.bz2;
-    sha256 = "79707d04e7a2bd0869b55fbfe05dcb673a2c864fb1fb72c390ae18db5ba633e5";
+    url = "http://nix.cs.uu.nl/dist/nix/nix-${version}/nix-${version}.tar.bz2";
+    md5 = "d060c66394b921373430f21dac1c2c4d";
   };
 
   buildInputs = [perl curl openssl];