some nurpkgs updates

mods/nurPkgs/caps.nix

@@ -0,0 +1,39 @@
+{ stdenv
+, fetchFromGitHub
+, ncurses
+, autoreconfHook
+, lib
+}:
+
+stdenv.mkDerivation rec {
+	pname = "caps";
+	version = "master";
+
+	src = fetchFromGitHub {
+		owner = "jhunt";
+		repo = "caps";
+    rev = "d0c499a351edd2c1fd9a59655d32789078c8eba1";
+    sha256 = "sha256-qotSsgHTYSmAINuVA4phJCbOtOehR1CMLwGSPXyqTX8=";
+	};
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ./caps $out/bin
+  '';
+
+  meta = with lib; {
+    description = "A small tool to parse linux capabilities";
+    longDescription = ''
+      caps is a utility I wrote to make sense of the Linux Capability bitflags you get from the lovely /proc filesystem, which look like: sudo cat /proc/self/status | grep Cap
+      CapInh:  0000000000000000
+      CapPrm:  0000003fffffffff
+      CapEff:  0000003fffffffff
+      CapBnd:  0000003fffffffff
+      CapAmb:  0000000000000000
+    '';
+    homepage = "https://github.com/jhunt/caps";
+    license = licenses.mit;
+    #maintainers = [ ];
+    platforms = platforms.all;
+  };
+}