nsuds: import from homebrew/games.

Formula/nsuds.rb

@@ -0,0 +1,24 @@
+class Nsuds < Formula
+  desc "Ncurses Sudoku system"
+  homepage "http://nsuds.sourceforge.net/"
+  url "https://downloads.sourceforge.net/project/nsuds/nsuds/nsuds-0.7B/nsuds-0.7B.tar.gz"
+  sha256 "6d9b3e53f3cf45e9aa29f742f6a3f7bc83a1290099a62d9b8ba421879076926e"
+
+  head do
+    url "git://git.code.sf.net/p/nsuds/code"
+    depends_on "autoconf" => :build
+    depends_on "automake" => :build
+  end
+
+  def install
+    system "autoreconf", "-i" if build.head?
+    system "./configure", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}"
+    inreplace "src/Makefile", /chgrp .*/, ""
+    system "make", "install"
+  end
+
+  test do
+    assert_match /nsuds version #{version}$/, shell_output("#{bin}/nsuds -v")
+  end
+end