fish: Add fish 2.0.0

pkgs/shells/fish/default.nix

@@ -0,0 +1,22 @@
+{ stdenv, fetchurl, autoconf, ncurses, which }:
+
+stdenv.mkDerivation rec {
+  name = "fish-2.0.0";
+
+  src = fetchurl {
+    url = http://fishshell.com/files/2.0.0/fish-2.0.0.tar.gz;
+    sha1 = "2d28553e2ff975f8e5fed6b266f7a940493b6636";
+  };
+
+  nativeBuildInputs = [ autoconf ];
+
+  buildInputs = [ ncurses which ];
+
+  preConfigure = ''
+    autoconf
+  '';
+
+  meta = {
+    homepage = http://fishshell.com;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2004,6 +2004,8 @@ let
 
   dash = callPackage ../shells/dash { };
 
+  fish = callPackage ../shells/fish { };
+
   tcsh = callPackage ../shells/tcsh { };
 
   rush = callPackage ../shells/rush { };