lazydocker: add module

modules/programs/lazydocker.nix

@@ -0,0 +1,62 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.lazydocker;
+
+  yamlFormat = pkgs.formats.yaml { };
+
+  inherit (pkgs.stdenv.hostPlatform) isDarwin;
+
+in {
+  meta.maintainers = [ maintainers.hausken ];
+
+  options.programs.lazydocker = {
+    enable = mkEnableOption
+      "lazydocker, a simple terminal UI for both docker and docker compose";
+
+    package = mkPackageOption pkgs "lazydocker" { };
+
+    settings = mkOption {
+      type = yamlFormat.type;
+      default = {
+        commandTemplates.dockerCompose =
+          "docker compose"; # Lazydocker uses docker-compose by default which will not work
+      };
+      example = literalExpression ''
+        {
+          gui.theme = {
+            activeBorderColor = ["red" "bold"];
+            inactiveBorderColor = ["blue"];
+          };
+          commandTemplates.dockerCompose = "docker compose compose -f docker-compose.yml";
+        }
+      '';
+      description = ''
+        Configuration written to
+        {file}`$XDG_CONFIG_HOME/lazydocker/config.yml`
+        on Linux or on Darwin if [](#opt-xdg.enable) is set, otherwise
+        {file}`~/Library/Application Support/jesseduffield/lazydocker/config.yml`.
+        See
+        <https://github.com/jesseduffield/lazydocker/blob/master/docs/Config.md>
+        for supported values.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    home.file."Library/Application Support/jesseduffield/lazydocker/config.yml" =
+      mkIf (cfg.settings != { } && (isDarwin && !config.xdg.enable)) {
+        source = yamlFormat.generate "lazydocker-config" cfg.settings;
+      };
+
+    xdg.configFile."lazydocker/config.yml" =
+      mkIf (cfg.settings != { } && !(isDarwin && !config.xdg.enable)) {
+        source = yamlFormat.generate "lazydocker-config" cfg.settings;
+      };
+  };
+}