feat: add flake support

nix/default.nix

@@ -0,0 +1,64 @@
+{
+  lib,
+  libX11,
+  libinput,
+  libxcb,
+  libxkbcommon,
+  pixman,
+  pkg-config,
+  stdenv,
+  wayland,
+  wayland-protocols,
+  wayland-scanner,
+  wlroots_0_17,
+  xcbutilwm,
+  xwayland,
+  enableXWayland ? true,
+  meson,
+  ninja,
+}:
+let
+  pname = "maomaowm";
+in
+stdenv.mkDerivation {
+  inherit pname;
+  version = "nightly";
+
+  src = ../.;
+
+  patches = [
+    ./install-config-to-etc.patch
+  ];
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    wayland-scanner
+  ];
+
+  buildInputs =
+    [
+      libinput
+      libxcb
+      libxkbcommon
+      pixman
+      wayland
+      wayland-protocols
+      wlroots_0_17
+    ]
+    ++ lib.optionals enableXWayland [
+      libX11
+      xcbutilwm
+      xwayland
+    ];
+
+  meta = {
+    mainProgram = "maomao";
+    description = "A streamlined but feature-rich Wayland compositor";
+    homepage = "https://github.com/DreamMaoMao/maomaowm";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ ];
+    platforms = lib.platforms.linux;
+  };
+}

nix/hm-modules.nix

@@ -0,0 +1,47 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+
+let
+  maomaowm = pkgs.callPackage ./. { };
+in
+{
+  options = {
+    wayland.windowManager.maomaowm = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+      };
+
+      settings = lib.mkOption {
+        type = lib.types.str;
+        default = "";
+      };
+
+      autostart_sh = lib.mkOption {
+        type = lib.types.str;
+        default = "";
+      };
+    };
+  };
+
+  config = lib.mkIf config.wayland.windowManager.maomaowm.enable {
+    home.packages = [ maomaowm ];
+
+    home.file =
+      lib.optionalAttrs (config.wayland.windowManager.maomaowm.settings != "") {
+        ".config/maomao/config.conf" = {
+          text = config.wayland.windowManager.maomaowm.settings;
+        };
+      }
+      // lib.optionalAttrs (config.wayland.windowManager.maomaowm.autostart_sh != "") {
+        ".config/maomao/autostart.sh" = {
+          text = config.wayland.windowManager.maomaowm.autostart_sh;
+          executable = true;
+        };
+      };
+  };
+}

nix/install-config-to-etc.patch

@@ -0,0 +1,45 @@
+diff --git a/meson.build b/meson.build
+index eeec918..e0de85a 100644
+--- a/meson.build
++++ b/meson.build
+@@ -4,6 +4,10 @@ project('maomao', ['c', 'cpp'],
+ 
+ subdir('protocols')
+ 
++sysconfdir = get_option('sysconfdir')
++prefix = get_option('prefix')
++add_project_arguments('-DSYSCONFDIR="/@0@"'.format(join_paths(prefix, sysconfdir)), language : 'c')
++
+ # fs = import('fs')
+ #
+ # # 获取用户的主目录
+@@ -68,8 +72,7 @@ executable('maomao',
+   c_args : c_args
+ )
+ 
+-prefix = get_option('prefix')
+ desktop_install_dir = join_paths(prefix, 'share/wayland-sessions')
+ install_data('maomao.desktop', install_dir : desktop_install_dir)
+-install_data('config.conf', install_dir : '/etc/maomao')
++install_data('config.conf', install_dir : join_paths(sysconfdir, 'maomao'))
+ 
+diff --git a/parse_config.h b/parse_config.h
+index 395251d..e241f00 100644
+--- a/parse_config.h
++++ b/parse_config.h
+@@ -1024,7 +1024,7 @@ void parse_config(void) {
+     // 检查文件是否存在
+     if (access(filename, F_OK) != 0) {
+       // 如果文件不存在，则使用 /etc/maomao/config.conf
+-      snprintf(filename, sizeof(filename), "/etc/maomao/config.conf");
++      snprintf(filename, sizeof(filename), "%s/maomao/config.conf", SYSCONFDIR);
+     }
+   } else {
+     // 使用 MAOMAOCONFIG 环境变量作为配置文件夹路径
+@@ -1049,4 +1049,4 @@ void reload_config(const Arg *arg) {
+     }
+   }
+   arrange(selmon, false);
+-}
+\ No newline at end of file
++}