From f67c9cd6a6e5311e0b4aef663c38376eb89bc4cd Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Wed, 13 May 2026 01:09:42 +0200
Subject: [PATCH 1/2] chkcrontab: migration to pyproject

---
 pkgs/by-name/ch/chkcrontab/package.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/ch/chkcrontab/package.nix b/pkgs/by-name/ch/chkcrontab/package.nix
index 2205eefcc159..55445ae320a3 100644
--- a/pkgs/by-name/ch/chkcrontab/package.nix
+++ b/pkgs/by-name/ch/chkcrontab/package.nix
@@ -9,13 +9,21 @@ with python3.pkgs;
 buildPythonApplication (finalAttrs: {
   pname = "chkcrontab";
   version = "1.7";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit (finalAttrs) pname version;
     sha256 = "0gmxavjkjkvjysgf9cf5fcpk589gb75n1mn20iki82wifi1pk1jn";
   };
 
+  postPatch = ''
+    # cannot install the manpage as it is not present in the wheel
+    substituteInPlace setup.py \
+      --replace-fail "'doc/chkcrontab.1'" ""
+  '';
+
+  build-system = [ setuptools ];
+
   meta = {
     description = "Tool to detect crontab errors";
     mainProgram = "chkcrontab";

From b6595a154173206ea04ecc8211b0eb1a45b8eeb5 Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Wed, 13 May 2026 01:10:08 +0200
Subject: [PATCH 2/2] chkcrontab: inline with usage

---
 pkgs/by-name/ch/chkcrontab/package.nix | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/pkgs/by-name/ch/chkcrontab/package.nix b/pkgs/by-name/ch/chkcrontab/package.nix
index 55445ae320a3..04b8a2c8bc45 100644
--- a/pkgs/by-name/ch/chkcrontab/package.nix
+++ b/pkgs/by-name/ch/chkcrontab/package.nix
@@ -1,12 +1,10 @@
 {
   lib,
-  python3,
+  python3Packages,
   fetchPypi,
 }:
 
-with python3.pkgs;
-
-buildPythonApplication (finalAttrs: {
+python3Packages.buildPythonApplication (finalAttrs: {
   pname = "chkcrontab";
   version = "1.7";
   pyproject = true;
@@ -22,7 +20,7 @@ buildPythonApplication (finalAttrs: {
       --replace-fail "'doc/chkcrontab.1'" ""
   '';
 
-  build-system = [ setuptools ];
+  build-system = [ python3Packages.setuptools ];
 
   meta = {
     description = "Tool to detect crontab errors";