Add qrcode minimalistic QR-code decode/encode tool (for pure codes only)

pkgs/tools/graphics/qrcode/default.nix

@@ -0,0 +1,34 @@
+{stdenv, fetchgit}:
+let
+  s =
+  rec {
+    baseName = "qrcode";
+    date = "2014-01-01";
+    version = "git-${date}";
+    name = "${baseName}-${version}";
+    url = "https://github.com/qsantos/qrcode";
+    rev = "2843cbada3b768f60ee1ae13c65160083558cc03";
+    sha256 = "0x321xhzxk6ldvpr2090w14khj9n2gfay9db5vvvli16affpcrvb";
+  };
+  buildInputs = [
+  ];
+in
+stdenv.mkDerivation {
+  inherit (s) name version;
+  inherit buildInputs;
+  src = fetchgit {
+    inherit (s) rev url sha256;
+  };
+  installPhase = ''
+    mkdir -p "$out"/{bin,share/doc/qrcode}
+    cp qrcode "$out/bin"
+    cp DOCUMENTATION LICENCE "$out/share/doc/qrcode"
+  '';
+  meta = {
+    inherit (s) version;
+    description = ''A small QR-code tool'';
+    license = stdenv.lib.licenses.gpl3Plus;
+    maintainers = [stdenv.lib.maintainers.raskin];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -10507,6 +10507,8 @@ let
 
   qmmp = callPackage ../applications/audio/qmmp { };
 
+  qrcode = callPackage ../tools/graphics/qrcode {};
+
   qsampler = callPackage ../applications/audio/qsampler { };
 
   qsynth = callPackage ../applications/audio/qsynth { };