modules/system/settei: add settei.programs.podman module

modules/system/settei/default.nix

@@ -15,6 +15,7 @@
     (import ./sane-defaults.nix {inherit isLinux;})
     (import ./flake-qol.nix {inherit perInput;})
     ./user.nix
+    (import ./programs {inherit isLinux;})
   ];
 
   options.settei = with lib; {

modules/system/settei/programs/default.nix

@@ -0,0 +1,7 @@
+{isLinux}: {
+  _file = ./default.nix;
+
+  imports = [
+    (import ./podman.nix {inherit isLinux;})
+  ];
+}

modules/system/settei/programs/podman.nix

@@ -0,0 +1,34 @@
+{isLinux}: {
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  sharedConfig = {
+    environment.systemPackages = [pkgs.podman-compose];
+  };
+
+  linuxConfig = lib.optionalAttrs isLinux {
+    virtualisation.podman = {
+      enable = true;
+      dockerCompat = lib.mkDefault true;
+      defaultNetwork.settings.dns_enabled = lib.mkDefault true;
+    };
+  };
+
+  darwinConfig = lib.optionalAttrs (!isLinux) {
+    environment.systemPackages = [pkgs.podman];
+  };
+
+  finalConfig = lib.mkMerge [
+    sharedConfig
+    linuxConfig
+    darwinConfig
+  ];
+in {
+  _file = ./podman.nix;
+
+  options.settei.programs.podman.enable = lib.mkEnableOption "Podman";
+
+  config = lib.mkIf config.settei.programs.podman.enable finalConfig;
+}