vim-vint: fix

pkgs/by-name/vi/vim-vint/package.nix

@@ -2,6 +2,8 @@
   lib,
   python3Packages,
   fetchFromGitHub,
+  replaceVars,
+  versionCheckHook,
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -16,21 +18,16 @@ python3Packages.buildPythonApplication rec {
     hash = "sha256-A0yXDkB/b9kEEXSoLeqVdmdm4p2PYL2QHqbF4FgAn30=";
   };
 
-  build-system = with python3Packages; [ setuptools ];
-
-  dependencies = with python3Packages; [
-    ansicolor
-    chardet
-    pyyaml
-    setuptools # pkg_resources is imported during runtime
+  patches = [
+    # Otherwise, the following warning appears each time the binary is run:
+    # UserWarning: pkg_resources is deprecated as an API.
+    # This leads the `test/acceptance/test_cli.py::TestCLI::*` tests to fail
+    (replaceVars ./remove-pkg-resources.patch {
+      inherit version;
+    })
   ];
 
-  nativeCheckInputs = with python3Packages; [
-    pytestCheckHook
-    pytest-cov-stub
-  ];
-
-  preCheck = ''
+  postPatch = ''
     substituteInPlace \
       test/acceptance/test_cli.py \
       test/acceptance/test_cli_vital.py \
@@ -39,12 +36,29 @@ python3Packages.buildPythonApplication rec {
         "cmd = ['$out/bin/vint'"
   '';
 
-  meta = with lib; {
+  build-system = with python3Packages; [ setuptools ];
+
+  dependencies = with python3Packages; [
+    ansicolor
+    chardet
+    pyyaml
+  ];
+
+  nativeCheckInputs = [
+    versionCheckHook
+  ]
+  ++ (with python3Packages; [
+    pytestCheckHook
+    pytest-cov-stub
+  ]);
+  versionCheckProgramArg = "--version";
+
+  meta = {
     description = "Fast and Highly Extensible Vim script Language Lint implemented by Python";
     homepage = "https://github.com/Kuniwak/vint";
-    license = licenses.mit;
+    license = lib.licenses.mit;
     mainProgram = "vint";
     maintainers = [ ];
-    platforms = platforms.all;
+    platforms = lib.platforms.all;
   };
 }

pkgs/by-name/vi/vim-vint/remove-pkg-resources.patch

@@ -0,0 +1,28 @@
+diff --git a/vint/linting/cli.py b/vint/linting/cli.py
+index 55db52e..97f33e1 100644
+--- a/vint/linting/cli.py
++++ b/vint/linting/cli.py
+@@ -1,7 +1,6 @@
+ import sys
+ from argparse import ArgumentParser
+ from pathlib import PosixPath
+-import pkg_resources
+ import logging
+ 
+ from vint.linting.linter import Linter
+@@ -150,14 +149,7 @@ class CLI(object):
+ 
+ 
+     def _get_version(self):
+-        # In unit tests, pkg_resources cannot find vim-vint.
+-        # So, I decided to return dummy version
+-        try:
+-            version = pkg_resources.require('vim-vint')[0].version
+-        except pkg_resources.DistributionNotFound:
+-            version = 'test_mode'
+-
+-        return version
++        return "@version@"
+ 
+ 
+     def _adjust_log_level(self, env):