* Use fixed-output hashes in fetchsvn.

* In nix-prefetch-svn, support setuid installations where the user has
  no write access to the Nix store.

svn path=/nixpkgs/trunk/; revision=2275

pkgs/build-support/fetchsvn/default.nix

@@ -4,6 +4,12 @@ stdenv.mkDerivation {
   name = "svn-export";
   builder = ./builder.sh;
   buildInputs = [subversion nix];
+
+  # Nix <= 0.7 compatibility.
   id = md5;
-  inherit url rev md5;
+
+  outputHashAlgo = "md5";
+  outputHash = md5;
+  
+  inherit url rev;
 }