nixos stage-1: move keymap handling to kbd module

nixos/modules/system/boot/stage-1-init.sh

@@ -172,10 +172,6 @@ udevadm trigger --action=add
 udevadm settle
 
 
-# Load boot-time keymap before any LVM/LUKS initialization
-@extraUtils@/bin/busybox loadkmap < "@busyboxKeymap@"
-
-
 # XXX: Use case usb->lvm will still fail, usb->luks->lvm is covered
 @preLVMCommands@
 

nixos/modules/system/boot/stage-1.nix

@@ -185,15 +185,6 @@ let
   };
 
 
-  # The binary keymap for busybox to load at boot.
-  busyboxKeymap = pkgs.runCommand "boottime-keymap"
-    { preferLocalBuild = true; }
-    ''
-      ${pkgs.kbd}/bin/loadkeys -qb "${config.i18n.consoleKeyMap}" > $out ||
-        ${pkgs.kbd}/bin/loadkeys -qbu "${config.i18n.consoleKeyMap}" > $out
-    '';
-
-
   # The init script of boot stage 1 (loading kernel modules for
   # mounting the root FS).
   bootStage1 = pkgs.substituteAll {
@@ -203,7 +194,7 @@ let
 
     isExecutable = true;
 
-    inherit udevRules extraUtils modulesClosure busyboxKeymap;
+    inherit udevRules extraUtils modulesClosure;
 
     inherit (config.boot) resumeDevice devSize runSize;
 

nixos/modules/tasks/kbd.nix

@@ -61,7 +61,7 @@ in
       default = false;
       type = types.bool;
       description = ''
-        Enable setting font and keymap as early as possible (in initrd).
+        Enable setting font as early as possible (in initrd).
       '';
     };
 
@@ -83,6 +83,20 @@ in
         environment.etc."vconsole.conf".source = vconsoleConf;
         # Provide kbd with additional packages.
         environment.etc."kbd".source = "${kbdEnv}/share";
+
+        boot.initrd.preLVMCommands = mkBefore ''
+          kbd_mode ${if isUnicode then "-u" else "-a"} -C /dev/console
+          printf "\033%%${if isUnicode then "G" else "@"}" >> /dev/console
+          loadkmap < ${optimizedKeymap}
+
+          ${optionalString config.boot.earlyVconsoleSetup ''
+            setfont -C /dev/console $extraUtils/share/consolefonts/font.psf
+          ''}
+
+          ${concatImapStringsSep "\n" (n: color: ''
+            printf "${makeColorCS n color}" >> /dev/console
+          '') config.i18n.consoleColors}
+        '';
       }
 
       (mkIf (!config.boot.earlyVconsoleSetup) {
@@ -112,18 +126,6 @@ in
             cp -L $font $out/share/consolefonts/font.psf
           fi
         '';
-
-        boot.initrd.preLVMCommands = mkBefore ''
-          kbd_mode ${if isUnicode then "-u" else "-a"} -C /dev/console
-          printf "\033%%${if isUnicode then "G" else "@"}" >> /dev/console
-          loadkmap < ${optimizedKeymap}
-
-          setfont -C /dev/console $extraUtils/share/consolefonts/font.psf
-
-          ${concatImapStringsSep "\n" (n: color: ''
-            printf "${makeColorCS n color}" >> /dev/console
-          '') config.i18n.consoleColors}
-        '';
       })
     ]))
   ];