1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix b/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix
new file mode 100644
index 000000000000..c6a90bcf1a51
--- /dev/null
+++ b/nixpkgs/nixos/modules/tasks/filesystems/xfs.nix
@@ -0,0 +1,29 @@
+{ 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 ${pkgs.xfsprogs.bin}/bin/fsck.xfs
+      '';
+
+    # Trick just to set 'sh' after the extraUtils nuke-refs.
+    boot.initrd.extraUtilsCommandsTest = mkIf inInitrd
+      ''
+        sed -i -e 's,^#!.*,#!'$out/bin/sh, $out/bin/fsck.xfs
+      '';
+  };
+}