decryption function

hardware/fcs-tristan-nixbook.nix

@@ -6,6 +6,7 @@
   ...
 }: let
   user = config.user;
+  decrypt = import ../lib/decrypt.nix;
 in {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
@@ -22,19 +23,10 @@ in {
     options = ["subvol=@" "compress=zstd" "autodefrag"];
   };
 
-  boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
-    mkdir -m 0755 -p /key
-
-    until cryptsetup luksOpen /dev/disk/by-id/usb-Generic_Flash_Disk_BCC97785-0:0 usbkey
-    do
-      echo "Failed to unlock usbkey!"
-      echo "Found block devices:"
-      ls /dev/disk/by-id/
-      sleep 2
-    done
-
-    mount -n -t vfat -o ro /dev/mapper/usbkey /key
-  '';
+  boot.initrd.postDeviceCommands = pkgs.lib.mkBefore (decrypt {
+    keydevice = "/dev/disk/by-id/usb-Generic_Flash_Disk_BCC97785-0:0";
+    keypartname = "usbkey";
+  });
 
   boot.initrd.luks.devices."cryptroot" = {
     device = "/dev/disk/by-uuid/570cc51f-bd5c-4bee-a18f-f6aabaf60881";

hardware/zenix.nix

@@ -6,6 +6,7 @@
   ...
 }: let
   user = config.user;
+  decrypt = import ../lib/decrypt.nix;
 in {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
@@ -24,22 +25,10 @@ in {
     options = ["subvol=@" "compress=zstd" "autodefrag"];
   };
 
-  boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
-    mkdir -m 0755 -p /key
-
-    dev=/dev/disk/by-id/usb-Generic_Flash_Disk_BCC97785-0:0
-    sleep 1
-    until cryptsetup luksOpen "$dev" usbkey
-    do
-      echo "Insert key and press enter..."
-      read res
-      if test "$res" = "fzf"
-      then
-      	ls /dev/disk/by-id | ${pkgs.fzf}/bin/fzf
-      fi
-    done
-    mount -n -t vfat -o ro /dev/mapper/usbkey /key
-  '';
+  boot.initrd.postDeviceCommands = pkgs.lib.mkBefore (decrypt {
+    keydevice = "/dev/disk/by-id/usb-Generic_Flash_Disk_BCC97785-0:0";
+    keypartname = "usbkey";
+  });
 
   boot.initrd.luks.devices."cryptroot" = {
     device = "/dev/disk/by-uuid/cc0617df-8cbf-4618-abbc-df64c96de151";

home/programs/hyprland.nix

@@ -5,13 +5,12 @@
   ...
 }: let
   modifier = config.windowManager.modifierKey;
-
 in {
   imports = [
     (import ./swaylock.nix)
     (import ./swayidle.nix)
     (import ./waybar.nix)
-    (import ./hycov.nix)
+    # (import ./hycov.nix)
   ];
   xdg.portal = {
     enable = true;

lib/decrypt.nix

@@ -0,0 +1,15 @@
+{
+  keydevice,
+  keypartname,
+}: ''
+  mkdir -m 0755 -p /key
+
+  dev=${keydevice}
+  sleep 1
+  until cryptsetup luksOpen "$dev" usbkey
+  do
+    echo "Insert key and press enter..."
+    read res
+  done
+  mount -n -t vfat -o ro /dev/mapper/${keypartname} /key
+''

nixos/modules/display.nix

@@ -62,7 +62,8 @@ with lib; let
     name = display.name;
     value = let
       res = display.resolution;
-    in {
+    in
+      {
         mode =
           mkIf (!resUnset res)
           "${toString res.x}x${toString res.y}@${toString res.freq}Hz";
@@ -70,8 +71,7 @@ with lib; let
       }
       // lib.mkIf (display ? wallpaper && display.wallpaper != null) {
         bg = "${display.wallpaper} fill";
-    }
-    ;
+      };
   };
 
   resolutionType = types.submodule {