1 files changed, 25 insertions, 0 deletions
diff --git a/nixos/modules/tasks/filesystems/vfat.nix b/nixos/modules/tasks/filesystems/vfat.nix
new file mode 100644
index 00000000000..958e27ae8a3
--- /dev/null
+++ b/nixos/modules/tasks/filesystems/vfat.nix
@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  inInitrd = any (fs: fs == "vfat") config.boot.initrd.supportedFilesystems;
+
+in
+
+{
+  config = mkIf (any (fs: fs == "vfat") config.boot.supportedFilesystems) {
+
+    system.fsPackages = [ pkgs.dosfstools ];
+
+    boot.initrd.kernelModules = mkIf inInitrd [ "vfat" "nls_cp437" "nls_iso8859-1" ];
+
+    boot.initrd.extraUtilsCommands = mkIf inInitrd
+      ''
+        copy_bin_and_libs ${pkgs.dosfstools}/sbin/dosfsck
+        ln -sv dosfsck $out/bin/fsck.vfat
+      '';
+
+  };
+}