ckb: init at 0.2.6

ckb is a driver for Corsair keyboards/mice. It also contains a graphical tool for configuring their LED backlight settings.

The driver is implemented as a userland daemon. A NixOS module is included that runs this as a systemd service.

pkgs/tools/misc/ckb/ckb-animations-location.patch

@@ -0,0 +1,12 @@
+diff --git a/src/ckb/animscript.cpp b/src/ckb/animscript.cpp
+index d0b7f46..d7a3459 100644
+--- a/src/ckb/animscript.cpp
++++ b/src/ckb/animscript.cpp
+@@ -30,7 +30,7 @@ QString AnimScript::path(){
+ #ifdef __APPLE__
+     return QDir(QApplication::applicationDirPath() + "/../Resources").absoluteFilePath("ckb-animations");
+ #else
+-    return QDir(QApplication::applicationDirPath()).absoluteFilePath("ckb-animations");
++    return QDir(QApplication::applicationDirPath() + "/../libexec").absoluteFilePath("ckb-animations");
+ #endif
+ }

pkgs/tools/misc/ckb/default.nix

@@ -0,0 +1,43 @@
+{ stdenv, fetchFromGitHub, libudev, pkgconfig, qtbase, qmakeHook, zlib }:
+
+stdenv.mkDerivation rec {
+  version = "0.2.6";
+  name = "ckb-${version}";
+
+  src = fetchFromGitHub {
+    owner = "ccMSC";
+    repo = "ckb";
+    rev = "v${version}";
+    sha256 = "04h50qdzsbi77mj62jghr52i35vxvmhnvsb7pdfdq95ryry8bnwm";
+  };
+
+  buildInputs = [
+    libudev
+    qtbase
+    zlib
+  ];
+
+  nativeBuildInputs = [
+    pkgconfig
+    qmakeHook
+  ];
+
+  patches = [
+    ./ckb-animations-location.patch
+  ];
+
+  doCheck = false;
+
+  installPhase = ''
+    install -D --mode 0755 --target-directory $out/bin bin/ckb-daemon bin/ckb
+    install -D --mode 0755 --target-directory $out/libexec/ckb-animations bin/ckb-animations/*
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Driver and configuration tool for Corsair keyboards and mice";
+    homepage = https://github.com/ccMSC/ckb;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ kierdavis ];
+  };
+}