cp437: init at v0.6

Emulates an old-style "code page 437" / "IBM-PC" character set terminal
on a modern UTF-8 terminal emulator.

Signed-off-by: William Casarin <jb55@jb55.com>

pkgs/tools/misc/cp437/default.nix

@@ -0,0 +1,28 @@
+{ stdenv, fetchFromGitHub }:
+let version = "0.6";
+in
+stdenv.mkDerivation {
+  pname = "cp437";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "keaston";
+    repo  = "cp437";
+    rev   = "v${version}";
+    sha256 = "18f4mnfnyviqclbhmbhix80k823481ypkwbp26qfvhnxdgzbggcc";
+  };
+
+  installPhase = ''
+    install -Dm755 cp437 -t $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = ''
+      Emulates an old-style "code page 437" / "IBM-PC" character
+      set terminal on a modern UTF-8 terminal emulator
+    '';
+    homepage = "https://github.com/keaston/cp437";
+    license = licenses.bsd3;
+    maintainer = with maintainers; [ jb55 ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -192,6 +192,8 @@ in
 
   comedilib = callPackage ../development/libraries/comedilib {  };
 
+  cp437 = callPackage ../tools/misc/cp437 { };
+
   cpu-x = callPackage ../applications/misc/cpu-x { };
 
   dhallToNix = callPackage ../build-support/dhall-to-nix.nix {