push sheeet

nixos/modules/tasks/filesystems/vfat.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+with lib;
+
+let
+
+  inInitrd = config.boot.initrd.supportedFilesystems.vfat or false;
+
+in
+
+{
+  config = mkIf (config.boot.supportedFilesystems.vfat or false) {
+
+    system.fsPackages = [
+      pkgs.dosfstools
+      pkgs.mtools
+    ];
+
+    boot.initrd.kernelModules = mkIf inInitrd [
+      "vfat"
+      "nls_cp437"
+      "nls_iso8859-1"
+    ];
+
+    boot.initrd.extraUtilsCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable) ''
+      copy_bin_and_libs ${pkgs.dosfstools}/sbin/dosfsck
+      ln -sv dosfsck $out/bin/fsck.vfat
+    '';
+
+    boot.initrd.systemd.initrdBin = mkIf inInitrd [ pkgs.dosfstools ];
+
+  };
+}