feat(fs): add bcachefs

global/fs/bcachefs.nix

@@ -0,0 +1,22 @@
+{ pkgs
+, lib
+, config
+, ... }: with lib; let
+  cfg = config.global.fs;
+in {
+  options.global.fs.bcachefs = {
+    options = mkOption {
+      type = with types; listOf str;
+      default = [ "noatime" "compression=zstd" ];
+      description = "bcachefs mount options";
+    };
+  };
+
+  config = mkIf (cfg.type == "bcachefs") {
+    fileSystems."/nix" =
+    { inherit (cfg.bcachefs) options;
+      device = "/dev/disk/by-uuid/${cfg.store}";
+      fsType = "bcachefs";
+    };
+  };
+}

global/fs/default.nix

@@ -9,7 +9,7 @@ in {
     ./f2fs.nix
     ./xfs.nix
     ./zfs.nix
-    #./bcachefs.nix
+    ./bcachefs.nix
   ];
 
   options.global.fs = {