From 9131bf59a70817f5cf190f5b24945955b4f53335 Mon Sep 17 00:00:00 2001
From: Michael Peyton Jones <me@michaelpj.com>
Date: Sun, 26 May 2019 14:24:10 +0100
Subject: [PATCH] nixos: add StateDirectory for fprintd

---
 nixos/modules/services/security/fprintd.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nixos/modules/services/security/fprintd.nix b/nixos/modules/services/security/fprintd.nix
index 8ece1ca1901..5662ebc61d2 100644
--- a/nixos/modules/services/security/fprintd.nix
+++ b/nixos/modules/services/security/fprintd.nix
@@ -50,6 +50,13 @@ in
 
     systemd.packages = [ cfg.package ];
 
+
+    # The upstream unit does not use StateDirectory, and will
+    # fail if the directory it needs is not present. Should be
+    # fixed when https://gitlab.freedesktop.org/libfprint/fprintd/merge_requests/5
+    # is merged.
+    systemd.services.fprintd.serviceConfig.StateDirectory = "fprint";
+
   };
 
 }