From 1a173c89426ab705aac55872740362bc1a0b6cfd Mon Sep 17 00:00:00 2001
From: enc0urage <127197575+enc0urage@users.noreply.github.com>
Date: Sat, 25 Mar 2023 11:05:23 +0000
Subject: [PATCH] cowsay: add COWPATH wrapper

---
 pkgs/tools/misc/cowsay/default.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/misc/cowsay/default.nix b/pkgs/tools/misc/cowsay/default.nix
index 87457e0a63d..62ae9994fff 100644
--- a/pkgs/tools/misc/cowsay/default.nix
+++ b/pkgs/tools/misc/cowsay/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, perl, fetchFromGitHub, fetchpatch, nix-update-script, testers, cowsay }:
+{ lib, stdenv, perl, fetchFromGitHub, fetchpatch, makeWrapper, nix-update-script, testers, cowsay }:
 
 stdenv.mkDerivation rec {
   pname = "cowsay";
@@ -22,8 +22,14 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ perl ];
 
+  postInstall = ''
+    wrapProgram $out/bin/cowsay \
+      --suffix COWPATH : $out/share/cowsay/cows
+  '';
+
   makeFlags = [
     "prefix=${placeholder "out"}"
   ];