From bcc543135fc1a264f6199646b201222ed4aa94a3 Mon Sep 17 00:00:00 2001
From: Puck Meerburg <puck@puckipedia.com>
Date: Sat, 31 Aug 2019 18:20:48 +0000
Subject: [PATCH] notmuch: fix notmuch-emacs-mua

Before this patch, notmuch-emacs-mua would try to call emacs in PATH,
 which would obviously fail on systems with no emacs. This fixes that,
 while still keeping the capability to override your emacs' path.
---
 pkgs/applications/networking/mailreaders/notmuch/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index e3b55b719ca..01081ebfb3e 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -42,6 +42,10 @@ stdenv.mkDerivation rec {
 
     substituteInPlace lib/Makefile.local \
       --replace '-install_name $(libdir)' "-install_name $out/lib"
+
+    substituteInPlace emacs/notmuch-emacs-mua \
+      --replace 'EMACS:-emacs' 'EMACS:-${emacs}/bin/emacs' \
+      --replace 'EMACSCLIENT:-emacsclient' 'EMACSCLIENT:-${emacs}/bin/emacsclient'
   '';
 
   configureFlags = [ "--zshcompletiondir=${placeholder "out"}/share/zsh/site-functions" ];