nixos/modules/tasks/filesystems/xfs.nix


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{ config, lib, pkgs, ... }:

with lib;

let

  inInitrd = any (fs: fs == "xfs") config.boot.initrd.supportedFilesystems;

in

{
  config = mkIf (any (fs: fs == "xfs") config.boot.supportedFilesystems) {

    system.fsPackages = [ pkgs.xfsprogs.bin ];

    boot.initrd.availableKernelModules = mkIf inInitrd [ "xfs" "crc32c" ];

    boot.initrd.extraUtilsCommands = mkIf inInitrd
      ''
        copy_bin_and_libs ${pkgs.xfsprogs.bin}/bin/fsck.xfs
        copy_bin_and_libs ${pkgs.xfsprogs.bin}/bin/xfs_repair
      '';

    # Trick just to set 'sh' after the extraUtils nuke-refs.
    boot.initrd.extraUtilsCommandsTest = mkIf inInitrd
      ''
        sed -i -e 's,^#!.*,#!'$out/bin/sh, $out/bin/fsck.xfs
      '';
  };
}