From bea3f1818590d26221b702c2789932cfad552eee Mon Sep 17 00:00:00 2001
From: Justin Humm <justin.humm@posteo.de>
Date: Thu, 4 Oct 2018 18:06:12 +0200
Subject: [PATCH] notmuch: use test-database in checkPhase

for running all tests, notmuch requires a database file, which can be
downloaded at https://notmuchmail.org/releases/test-databases/

See test/README in notmuch sources for further info.
---
 .../networking/mailreaders/notmuch/default.nix            | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index 9b259cad6d0b..2d1b6ee15301 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -89,6 +89,14 @@ stdenv.mkDerivation rec {
     install_name_tool -change "$badname" "$goodname" "$prg"
   '';
 
+  preCheck = let
+    test-database = fetchurl {
+      url = "https://notmuchmail.org/releases/test-databases/database-v1.tar.xz";
+      sha256 = "1lk91s00y4qy4pjh8638b5lfkgwyl282g1m27srsf7qfn58y16a2";
+    };
+  in ''
+    ln -s ${test-database} test/test-databases/database-v1.tar.xz
+  '';
   doCheck = !stdenv.isDarwin && (versionAtLeast gmime.version "3.0");
   checkTarget = "test V=1";