nvchecker: install manpage

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

@@ -1,4 +1,21 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub, pythonOlder, pytestCheckHook, setuptools, toml, structlog, appdirs, pytest-asyncio, flaky, tornado, pycurl, aiohttp, pytest-httpbin }:
+{ stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+, setuptools
+, toml
+, structlog
+, appdirs
+, pytest-asyncio
+, flaky
+, tornado
+, pycurl
+, aiohttp
+, pytest-httpbin
+, docutils
+, installShellFiles
+}:
 
 buildPythonPackage rec {
   pname = "nvchecker";
@@ -12,11 +29,21 @@ buildPythonPackage rec {
     sha256 = "0zf9vhf8ka0v1mf1xhbvkc2nr54m0rkiw1i68ps4sgx2mdj6qrfk";
   };
 
+  nativeBuildInputs = [ installShellFiles docutils ];
   propagatedBuildInputs = [ setuptools toml structlog appdirs tornado pycurl aiohttp ];
   checkInputs = [ pytestCheckHook pytest-asyncio flaky pytest-httpbin ];
 
   disabled = pythonOlder "3.7";
 
+  postBuild = ''
+    patchShebangs docs/myrst2man.py
+    make -C docs man
+  '';
+
+  postInstall = ''
+    installManPage docs/_build/man/nvchecker.1
+  '';
+
   pytestFlagsArray = [ "-m 'not needs_net'" ];
 
   meta = with stdenv.lib; {