5 files changed, 44 insertions, 10 deletions
diff --git a/nixos/modules/config/no-x-libs.nix b/nixos/modules/config/no-x-libs.nix
index 74cf74d74181..873b8073fed9 100644
--- a/nixos/modules/config/no-x-libs.nix
+++ b/nixos/modules/config/no-x-libs.nix
@@ -34,7 +34,6 @@ with lib;
       networkmanager-openvpn = super.networkmanager-openvpn.override { withGnome = false; };
       networkmanager-vpnc = super.networkmanager-vpnc.override { withGnome = false; };
       networkmanager-iodine = super.networkmanager-iodine.override { withGnome = false; };
-      pinentry = super.pinentry.override { gtk2 = null; gcr = null; qt4 = null; qt5 = null; };
       gobject-introspection = super.gobject-introspection.override { x11Support = false; };
     }));
   };
diff --git a/nixos/modules/installer/tools/tools.nix b/nixos/modules/installer/tools/tools.nix
index 329260059598..9e6eead3c4d7 100644
--- a/nixos/modules/installer/tools/tools.nix
+++ b/nixos/modules/installer/tools/tools.nix
@@ -120,7 +120,11 @@ in
         # Some programs need SUID wrappers, can be configured further or are
         # started in user sessions.
         # programs.mtr.enable = true;
-        # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
+        # programs.gnupg.agent = {
+        #   enable = true;
+        #   enableSSHSupport = true;
+        #   flavour = "gnome3";
+        # };
 
         # List services that you want to enable:
 
diff --git a/nixos/modules/profiles/installation-device.nix b/nixos/modules/profiles/installation-device.nix
index fd30220ce1c9..4596e163404c 100644
--- a/nixos/modules/profiles/installation-device.nix
+++ b/nixos/modules/profiles/installation-device.nix
@@ -31,9 +31,6 @@ with lib;
     # Let the user play Rogue on TTY 8 during the installation.
     #services.rogue.enable = true;
 
-    # Disable some other stuff we don't need.
-    services.udisks2.enable = mkDefault false;
-
     # Use less privileged nixos user
     users.users.nixos = {
       isNormalUser = true;
diff --git a/nixos/modules/programs/gnupg.nix b/nixos/modules/programs/gnupg.nix
index bcbc994efe9b..4fb7c43c8b2e 100644
--- a/nixos/modules/programs/gnupg.nix
+++ b/nixos/modules/programs/gnupg.nix
@@ -6,6 +6,19 @@ let
 
   cfg = config.programs.gnupg;
 
+  xserverCfg = config.services.xserver;
+
+  defaultPinentryFlavor =
+    if xserverCfg.desktopManager.lxqt.enable
+    || xserverCfg.desktopManager.plasma5.enable then
+      "qt"
+    else if xserverCfg.desktopManager.xfce.enable then
+      "gtk2"
+    else if xserverCfg.enable then
+      "gnome3"
+    else
+      null;
+
 in
 
 {
@@ -54,6 +67,20 @@ in
       '';
     };
 
+    agent.pinentryFlavor = mkOption {
+      type = types.nullOr (types.enum pkgs.pinentry.flavors);
+      example = "gnome3";
+      description = ''
+        Which pinentry interface to use. If not null, the path to the
+        pinentry binary will be passed to gpg-agent via commandline and
+        thus overrides the pinentry option in gpg-agent.conf in the user's
+        home directory.
+        If not set at all, it'll pick an appropriate flavor depending on the
+        system configuration (qt flavor for lxqt and plasma5, gtk2 for xfce
+        4.12, gnome3 on all other systems with X enabled, ncurses otherwise).
+      '';
+    };
+
     dirmngr.enable = mkOption {
       type = types.bool;
       default = false;
@@ -64,6 +91,16 @@ in
   };
 
   config = mkIf cfg.agent.enable {
+    programs.gnupg.agent.pinentryFlavor = mkDefault defaultPinentryFlavor;
+
+    # This overrides the systemd user unit shipped with the gnupg package
+    systemd.user.services.gpg-agent = mkIf (cfg.agent.pinentryFlavor != null) {
+      serviceConfig.ExecStart = [ "" ''
+        ${pkgs.gnupg}/bin/gpg-agent --supervised \
+          --pinentry-program ${pkgs.pinentry.${cfg.agent.pinentryFlavor}}/bin/pinentry
+      '' ];
+    };
+
     systemd.user.sockets.gpg-agent = {
       wantedBy = [ "sockets.target" ];
     };
@@ -83,7 +120,7 @@ in
     systemd.user.sockets.dirmngr = mkIf cfg.dirmngr.enable {
       wantedBy = [ "sockets.target" ];
     };
-    
+
     environment.systemPackages = with pkgs; [ cfg.package ];
     systemd.packages = [ cfg.package ];
 
diff --git a/nixos/modules/services/hardware/udisks2.nix b/nixos/modules/services/hardware/udisks2.nix
index ed8703be921c..e898f3260585 100644
--- a/nixos/modules/services/hardware/udisks2.nix
+++ b/nixos/modules/services/hardware/udisks2.nix
@@ -34,10 +34,7 @@ with lib;
 
     services.dbus.packages = [ pkgs.udisks2 ];
 
-    system.activationScripts.udisks2 =
-      ''
-        mkdir -m 0755 -p /var/lib/udisks2
-      '';
+    systemd.tmpfiles.rules = [ "d /var/lib/udisks2 0755 root root -" ];
 
     services.udev.packages = [ pkgs.udisks2 ];