From adfbfc0397887e668d8f91c45be013c044c53870 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Sat, 2 Oct 2021 15:28:48 +0200
Subject: nixos/mandoc: add package option

---
 nixos/modules/misc/mandoc.nix | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/misc/mandoc.nix b/nixos/modules/misc/mandoc.nix
index 939f87a3178..3da60f2f8e6 100644
--- a/nixos/modules/misc/mandoc.nix
+++ b/nixos/modules/misc/mandoc.nix
@@ -1,7 +1,7 @@
 { config, lib, pkgs, ... }:
 
 let
-  makewhatis = "${lib.getBin pkgs.mandoc}/bin/makewhatis";
+  makewhatis = "${lib.getBin cfg.package}/bin/makewhatis";
 
   cfg = config.documentation.man.mandoc;
 
@@ -26,12 +26,22 @@ in {
           The first value given takes priority.
         '';
       };
+
+      package = lib.mkOption {
+        type = lib.types.package;
+        default = pkgs.mandoc;
+        defaultText = lib.literalExpression "pkgs.mandoc";
+        description = ''
+          The <literal>mandoc</literal> derivation to use. Useful to override
+          configuration options used for the package.
+        '';
+      };
     };
   };
 
   config = lib.mkIf cfg.enable {
     environment = {
-      systemPackages = [ pkgs.mandoc ];
+      systemPackages = [ cfg.package ];
 
       # tell mandoc about man pages
       etc."man.conf".text = lib.concatMapStrings (path: ''
-- 
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