liquidctl: 1.5.1 -> 1.6.1; fix and polish a bit

add python.pkgs.i2c-tools
  required since 1.5.0

add man page output
add bash completion
add udev rules file
add the incl. tests

add myself as a maintainer

and clarify license

pkgs/development/python-modules/liquidctl/default.nix

@@ -2,40 +2,61 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
+, installShellFiles
 , docopt
 , hidapi
 , pyusb
 , smbus-cffi
+, i2c-tools
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "liquidctl";
-  version = "1.5.1";
+  version = "1.6.1";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner  = pname;
     repo   = pname;
     rev    = "v${version}";
-    sha256 = "1l6cvm8vs2gkmg4qwg5m5vqjql1gah2vd9vs7pcj2v5hf0cm5v9x";
+    sha256 = "sha256-FYpr1mYzPc0rOE75fUNjxe/57EWl+zcbIbkqFseDhzI=";
   };
 
+  nativeBuildInputs = [ installShellFiles ];
+
   propagatedBuildInputs = [
     docopt
     hidapi
     pyusb
     smbus-cffi
+    i2c-tools
   ];
 
-  # does not contain tests
-  doCheck = false;
+  outputs = [ "out" "man" ];
+
+  postInstall = ''
+    installManPage liquidctl.8
+    installShellCompletion extra/completions/liquidctl.bash
+
+    mkdir -p $out/lib/udev/rules.d
+    cp extra/linux/71-liquidctl.rules $out/lib/udev/rules.d/.
+  '';
+
+  checkInputs = [ pytestCheckHook ];
+
+  postBuild = ''
+    # needed for pythonImportsCheck
+    export XDG_RUNTIME_DIR=$TMPDIR
+  '';
+
   pythonImportsCheck = [ "liquidctl" ];
 
   meta = with lib; {
     description = "Cross-platform CLI and Python drivers for AIO liquid coolers and other devices";
     homepage    = "https://github.com/liquidctl/liquidctl";
     changelog   = "https://github.com/liquidctl/liquidctl/blob/master/CHANGELOG.md";
-    license     = licenses.gpl3;
-    maintainers = with maintainers; [ arturcygan ];
+    license     = licenses.gpl3Plus;
+    maintainers = with maintainers; [ arturcygan evils ];
   };
 }