move buildbot patch to package

Author: Mic92

nixosModules/packages.nix

@@ -18,15 +18,7 @@ in
 
     buildbot = lib.mkOption {
       type = lib.types.package;
-      default = pkgs.buildbot.overrideAttrs (o: {
-        patches = o.patches ++ [
-          (pkgs.fetchpatch {
-            name = "add-Build.skipBuildIf.patch";
-            url = "https://github.com/buildbot/buildbot/commit/f08eeef96e15c686a4f6ad52368ad08246314751.patch";
-            hash = "sha256-ACPYXMbjIfw02gsKwmDKIIZkGSxxLWCaW7ceEcgbtIU=";
-          })
-        ];
-      });
+      default = pkgs.callPackage ../packages/buildbot.nix { };
     };
 
     buildbot-worker = lib.mkOption {

packages/buildbot.nix

@@ -0,0 +1,10 @@
+{ buildbot, fetchpatch }:
+buildbot.overrideAttrs (o: {
+  patches = o.patches ++ [
+    (fetchpatch {
+      name = "add-Build.skipBuildIf.patch";
+      url = "https://github.com/buildbot/buildbot/commit/f08eeef96e15c686a4f6ad52368ad08246314751.patch";
+      hash = "sha256-ACPYXMbjIfw02gsKwmDKIIZkGSxxLWCaW7ceEcgbtIU=";
+    })
+  ];
+})

packages/flake-module.nix

@@ -9,7 +9,7 @@
       packages =
         {
           # useful for checking what buildbot version is used.
-          buildbot = pkgs.buildbot;
+          buildbot = pkgs.callPackage ./buildbot.nix { };
           buildbot-nix = pkgs.python3.pkgs.callPackage ./buildbot-nix.nix { };
           buildbot-gitea = pkgs.python3.pkgs.callPackage ./buildbot-gitea.nix {
             buildbot = pkgs.buildbot;