add zfs commands

nixos/homes/common/default.nix

@@ -3,6 +3,7 @@
   imports = [
     ./packages.nix
     ./terminal.nix
+    ./zfs.nix
   ];
   options.gui.enable = lib.mkEnableOption "should GUI packages be anabled?";
 }

nixos/homes/common/zfs.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, lib, ... }:
+with pkgs;
+with lib;
+{
+  config = mkMerge [
+    {
+      home.packages = [
+        (
+          let
+            options = [
+              "name"
+              "mountpoint"
+              "com.sun:auto-snapshot:yearly"
+              "com.sun:auto-snapshot:monthly"
+              "com.sun:auto-snapshot:daily"
+              "com.sun:auto-snapshot:hourly"
+            ];
+          in
+          pkgs.writers.writeBashBin "zfs-overview" ''
+            ${pkgs.zfs}/bin/zfs list -o ${concatStringsSep "," options} "$@"
+          ''
+        )
+      ];
+    }
+  ];
+}