Nix modules: change docspell user to be a normal user

Seems that unoconv requires a shell.

nix/buildvm.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+if [ "$1" = "-f" ]; then
+    echo "Deleting current state image..."
+    rm *.qcow2
+fi
+
+nixos-rebuild build-vm \
+  -I nixos-config=./configuration-test.nix \
+  -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-19.09.tar.gz

nix/configuration-test.nix

@@ -28,9 +28,11 @@ in
 
   services.docspell-joex = {
     enable = true;
-    base-url = "http://docspelltest:7878";
+    bind.address = "0.0.0.0";
+    base-url = "http://localhost:7878";
   };
   services.docspell-restserver = {
+    bind.address = "0.0.0.0";
     enable = true;
   };
   services.docspell-consumedir = {

nix/module-joex.nix

@@ -600,7 +600,9 @@ in {
 
     users.users."${user}" = mkIf (cfg.runAs == null) {
       name = user;
-      isSystemUser = true;
+      isSystemUser = false;
+      createHome = true;
+      home = "/var/docspell";
       description = "Docspell user";
     };
 
@@ -613,7 +615,6 @@ in {
           description = "Unoconv Listener";
           after = [ "networking.target" ];
           wantedBy = [ "multi-user.target" ];
-          path = [ pkgs.unoconv ];
           serviceConfig = {
             Restart = "always";
           };

nix/module-server.nix

@@ -246,7 +246,9 @@ in {
 
     users.users."${user}" = mkIf (cfg.runAs == null) {
       name = user;
-      isSystemUser = true;
+      isSystemUser = false;
+      createHome = true;
+      home = "/var/docspell";
       description = "Docspell user";
     };