2023-01-30

1 files changed, 56 insertions, 0 deletions

diff --git a/modules/nixos/common/ark.nix b/modules/nixos/common/ark.nix
new file mode 100644
index 0000000..3a12050
--- /dev/null
+++ b/modules/nixos/common/ark.nix
@@ -0,0 +1,56 @@
+{
+  config,
+  inputs,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.nixfiles.modules.ark;
+in {
+  imports = [
+    (mkAliasOptionModule ["ark"] ["nixfiles" "modules" "ark"])
+    inputs.impermanence.nixosModules.impermanence
+  ];
+
+  options.nixfiles.modules.ark = let
+    mkListOfAnythingOption = mkOption {
+      type = with types; listOf anything; # Assumed to be matching with the upstream type.
+      default = [];
+    };
+  in {
+    enable = mkEnableOption "persistent storage support via impermanence";
+
+    path = mkOption {
+      type = types.str;
+      default = "/ark";
+    };
+
+    directories = mkListOfAnythingOption;
+    files = mkListOfAnythingOption;
+    # hm = {
+    #   directories = mkListOfAnythingOption;
+    #   files = mkListOfAnythingOption;
+    # };
+  };
+
+  config = mkIf cfg.enable {
+    environment.persistence.${cfg.path} = {
+      hideMounts = true;
+      enableDebugging = false;
+      inherit (cfg) directories files;
+    };
+
+    # NOTE We can't reliably[1] use this, so for the time being, this will stay
+    # commented out. Probably forever.
+    #
+    # [1]: https://github.com/nix-community/impermanence/issues/18
+    #
+    # hm = {
+    #   imports = [inputs.impermanence.nixosModules.home-manager.impermanence];
+    #   home.persistence."${cfg.path}/${config.my.home}" = {
+    #     allowOther = false;
+    #     inherit (cfg.hm) directories files;
+    #   };
+    # };
+  };
+}