From 9eb200121764dfa8a57acd906dfccf60d760e2fc Mon Sep 17 00:00:00 2001
From: toonn <toonn@toonn.io>
Date: Wed, 9 Mar 2022 13:15:08 +0100
Subject: [PATCH] mupdf: Patch out which

This popped up while fixing up the expression for Darwin. Apparently
`which` isn't on the PATH there for Nix builds. May be considered an
impurity on Linux. `command -v` is the POSIX way to do basically the
same thing so I just patched out `which`.
---
 pkgs/applications/misc/mupdf/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/applications/misc/mupdf/default.nix b/pkgs/applications/misc/mupdf/default.nix
index 7bb9a89b8b39..cbe50cfdb3ce 100644
--- a/pkgs/applications/misc/mupdf/default.nix
+++ b/pkgs/applications/misc/mupdf/default.nix
@@ -39,6 +39,8 @@ stdenv.mkDerivation rec {
     sha256 = "1vfyhlqq1a0k0drcggly4bgsjasmf6lmpfbdi5xcrwdbzkagrbr1";
   };
 
+  patches = ./0001-Use-command-v-in-favor-of-which.patch;
+
   postPatch = ''
     sed -i "s/__OPENJPEG__VERSION__/${openJpegVersion}/" source/fitz/load-jpx.c
   '';