aperture: add module

modules/programs/aperture.nix

@@ -0,0 +1,48 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  inherit (lib)
+    mkIf
+    mkEnableOption
+    mkPackageOption
+    mkOption
+    ;
+
+  cfg = config.programs.aperture;
+  yamlFormat = pkgs.formats.yaml { };
+in
+{
+  meta.maintainers = with lib.hm.maintainers; [ aguirre-matteo ];
+
+  options.programs.aperture = {
+    enable = mkEnableOption "aperture";
+    package = mkPackageOption pkgs "aperture" { nullable = true; };
+    settings = mkOption {
+      inherit (yamlFormat) type;
+      default = { };
+      example = {
+        listenaddr = "localhost:8081";
+        staticroot = "./static";
+        servestatic = false;
+        debuglevel = "debug";
+        autocert = false;
+        servername = "aperture.example.com";
+      };
+      description = ''
+        Configuration settings for aperture. All the available options can be found here:
+        <https://github.com/lightninglabs/aperture/blob/master/sample-conf.yaml>
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = mkIf (cfg.package != null) [ cfg.package ];
+    home.file.".aperture/aperture.yaml" = mkIf (cfg.settings != { }) {
+      source = yamlFormat.generate "aperture.yaml" cfg.settings;
+    };
+  };
+}