Add packages scsh, The Scheme Shell

svn path=/nixpkgs/trunk/; revision=18248

pkgs/development/interpreters/scsh/default.nix

@@ -0,0 +1,26 @@
+{stdenv, fetchurl}:
+
+let
+  pname = "scsh";
+  version = "0.6.7";
+  name = "${pname}-${version}";
+in
+
+stdenv.mkDerivation {
+  inherit name;
+
+  src = fetchurl {
+    url = "mirror://sourceforge/${pname}/${name}.tar.gz";
+    sha256 = "c4a9f7df2a0bb7a7aa3dafc918aa9e9a566d4ad33a55f0192889de172d1ddb7f";
+  };
+
+  meta = {
+    description = "a Scheme shell";
+    longDescription = ''
+      SCSH is an implementation of the Scheme shell.  It is implemented as
+      a heap image which is interpreted by the Scheme 48 virtual machine.
+    '';
+    homepage = http://www.scsh.net/;
+    license = "BSD";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2498,6 +2498,8 @@ let
     inherit fetchurl stdenv sqlite ruby ;
   };
 
+  scsh = import ../development/interpreters/scsh { inherit stdenv fetchurl; };
+
   spidermonkey = import ../development/interpreters/spidermonkey {
     inherit fetchurl stdenv readline;
   };