nixos/evcc: Fix unit environment

In some recent version evcc started requiring `getent` in the PATH, or
else it would fail to start.

It also now requires an sqlite database, which it tries to create a
directory for at `$HOME/.evcc`, so we now need to provide a
StateDirectory.

1 files changed, 5 insertions, 1 deletions

diff --git a/nixos/modules/services/home-automation/evcc.nix b/nixos/modules/services/home-automation/evcc.nix
index c12ba9d0c1e2..efa2cf244313 100644
--- a/nixos/modules/services/home-automation/evcc.nix
+++ b/nixos/modules/services/home-automation/evcc.nix
@@ -48,7 +48,10 @@ in
       wantedBy = [
         "multi-user.target"
       ];
-
+      environment.HOME = "/var/lib/evcc";
+      path = with pkgs; [
+        glibc # requires getent
+      ];
       serviceConfig = {
         ExecStart = "${package}/bin/evcc --config ${configFile} ${escapeShellArgs cfg.extraArgs}";
         CapabilityBoundingSet = [ "" ];
@@ -77,6 +80,7 @@ in
         ProtectKernelModules = true;
         ProtectKernelTunables = true;
         ProtectProc = "invisible";
+        StateDirectory = "evcc";
         SystemCallArchitectures = "native";
         SystemCallFilter = [
           "@system-service"