diff --git a/flake.nix b/flake.nix
index 43c56a7..83695e0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,66 +15,63 @@
     };
   };
 
-  outputs =
-    {
-      self,
-      nixpkgs,
-      quickshell,
-      treefmt-nix,
-    }:
-    let
-      system = "x86_64-linux";
-      pkgs = nixpkgs.legacyPackages.${system};
+  outputs = {
+    self,
+    nixpkgs,
+    quickshell,
+    treefmt-nix,
+  }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
 
-      quickshellWithModules = quickshell.packages.${system}.default.withModules [
-        pkgs.qt6.qtbase
-        pkgs.qt6.qtdeclarative
-        pkgs.qt6.qtmultimedia
-        pkgs.qt6.qttranslations
-      ];
+    quickshellWithModules = quickshell.packages.${system}.default.withModules [
+      pkgs.qt6.qtbase
+      pkgs.qt6.qtdeclarative
+      pkgs.qt6.qtmultimedia
+      pkgs.qt6.qttranslations
+    ];
 
-      treefmtEval = treefmt-nix.lib.evalModule pkgs {
-        projectRootFile = "flake.nix";
+    treefmtEval = treefmt-nix.lib.evalModule pkgs {
+      projectRootFile = "flake.nix";
 
-        programs = {
-          nixfmt.enable = true;
-          qmlformat.enable = true;
-          clang-format.enable = true;
-        };
-      };
-    in
-    rec {
-      formatter.${system} = treefmtEval.config.build.wrapper;
-
-      packages.${system} = {
-        tshell = pkgs.callPackage ./package.nix {
-          inherit quickshellWithModules;
-        };
-        default = packages.${system}.tshell;
-      };
-
-      devShells.${system}.default = pkgs.mkShell {
-        packages = [
-          quickshellWithModules
-          pkgs.cava
-          pkgs.wallust
-          pkgs.dbus
-          pkgs.cmake
-          pkgs.ninja
-          pkgs.qt6.qtbase
-          pkgs.qt6.qtdeclarative
-        ];
-
-        shellHook = ''
-          if [ -d "$PWD/plugin/dist/lib/qt-6/qml" ]; then
-            export NIXPKGS_QT6_QML_IMPORT_PATH="$PWD/plugin/dist/lib/qt-6/qml''${NIXPKGS_QT6_QML_IMPORT_PATH:+:$NIXPKGS_QT6_QML_IMPORT_PATH}"
-            export QML2_IMPORT_PATH="$PWD/plugin/dist/lib/qt-6/qml''${QML2_IMPORT_PATH:+:$QML2_IMPORT_PATH}"
-          else
-            echo "gpu plugin is not built; run from the repo root to enable 'import Tshell.Cardwire':"
-            echo "  cmake -S plugin -B plugin/dist -DCMAKE_INSTALL_PREFIX=\$PWD/plugin/dist"
-            echo "  cmake --build plugin/dist --target install"
-          fi
-        '';
+      programs = {
+        alejandra.enable = true;
+        qmlformat.enable = true;
+        clang-format.enable = true;
       };
     };
+  in rec {
+    formatter.${system} = treefmtEval.config.build.wrapper;
+
+    packages.${system} = {
+      tshell = pkgs.callPackage ./package.nix {
+        inherit quickshellWithModules;
+      };
+      default = packages.${system}.tshell;
+    };
+
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [
+        quickshellWithModules
+        pkgs.cava
+        pkgs.wallust
+        pkgs.dbus
+        pkgs.cmake
+        pkgs.ninja
+        pkgs.qt6.qtbase
+        pkgs.qt6.qtdeclarative
+      ];
+
+      shellHook = ''
+        if [ -d "$PWD/plugin/dist/lib/qt-6/qml" ]; then
+          export NIXPKGS_QT6_QML_IMPORT_PATH="$PWD/plugin/dist/lib/qt-6/qml''${NIXPKGS_QT6_QML_IMPORT_PATH:+:$NIXPKGS_QT6_QML_IMPORT_PATH}"
+          export QML2_IMPORT_PATH="$PWD/plugin/dist/lib/qt-6/qml''${QML2_IMPORT_PATH:+:$QML2_IMPORT_PATH}"
+        else
+          echo "gpu plugin is not built; run from the repo root to enable 'import Tshell.Cardwire':"
+          echo "  cmake -S plugin -B plugin/dist -DCMAKE_INSTALL_PREFIX=\$PWD/plugin/dist"
+          echo "  cmake --build plugin/dist --target install"
+        fi
+      '';
+    };
+  };
 }
diff --git a/package.nix b/package.nix
index a2cbbe9..35ebf3a 100644
--- a/package.nix
+++ b/package.nix
@@ -10,73 +10,71 @@
   cava,
   wallust,
   nerd-fonts,
-  extraRuntimeDeps ? [ ],
-}:
-let
+  extraRuntimeDeps ? [],
+}: let
   version = "0.1.0";
 
-  runtimeDeps = [
-    cava
-    wallust
-  ]
-  ++ extraRuntimeDeps;
+  runtimeDeps =
+    [
+      cava
+      wallust
+    ]
+    ++ extraRuntimeDeps;
 
   fontconfig = makeFontsConf {
-    fontDirectories = [ nerd-fonts.fira-code ];
+    fontDirectories = [nerd-fonts.fira-code];
   };
 
   # Unlike lib.fileset, this keeps untracked files (the flake only sees
   # git-tracked paths) while dropping build artifacts.
   src = lib.cleanSourceWith {
     src = lib.cleanSource ./.;
-    filter =
-      path: _:
-      let
-        name = baseNameOf path;
-      in
+    filter = path: _: let
+      name = baseNameOf path;
+    in
       !(name == "dist" || name == "result" || name == "result-bin" || lib.hasPrefix "build" name);
   };
 in
-stdenv.mkDerivation {
-  inherit version src;
-  pname = "tshell";
+  stdenv.mkDerivation {
+    inherit version src;
+    pname = "tshell";
 
-  dontWrapQtApps = true;
+    dontWrapQtApps = true;
 
-  preConfigure = ''
-    cd plugin
-  '';
+    preConfigure = ''
+      cd plugin
+    '';
 
-  nativeBuildInputs = [
-    cmake
-    ninja
-    makeWrapper
-  ];
-  buildInputs = [
-    qt6.qtbase
-    qt6.qtdeclarative
-  ];
-  propagatedBuildInputs = runtimeDeps;
+    nativeBuildInputs = [
+      cmake
+      ninja
+      makeWrapper
+    ];
+    buildInputs = [
+      qt6.qtbase
+      qt6.qtdeclarative
+    ];
+    propagatedBuildInputs = runtimeDeps;
 
-  postInstall = ''
-    mkdir -p $out/bin $out/share/tshell
+    postInstall = ''
+      mkdir -p $out/bin $out/share/tshell
 
-    for entry in shell.qml assets config modules services ui windows; do
-      cp -r "$src/$entry" $out/share/tshell/
-    done
+      for entry in shell.qml assets config modules services ui windows; do
+        cp -r "$src/$entry" $out/share/tshell/
+      done
 
-    makeWrapper ${quickshellWithModules}/bin/qs $out/bin/tshell \
-      --prefix PATH : "${lib.makeBinPath runtimeDeps}" \
-      --set FONTCONFIG_FILE "${fontconfig}" \
-      --suffix NIXPKGS_QT6_QML_IMPORT_PATH : "$out/lib/qt-6/qml" \
-      --add-flags "-p $out/share/tshell"
-  '';
+      makeWrapper ${quickshellWithModules}/bin/qs $out/bin/tshell \
+        --prefix PATH : "${lib.makeBinPath runtimeDeps}" \
+        --set FONTCONFIG_FILE "${fontconfig}" \
+        --suffix NIXPKGS_QT6_QML_IMPORT_PATH : "$out/lib/qt-6/qml" \
+        --add-flags "-p $out/share/tshell"
+    '';
 
-  meta = {
-    description = "tux's widgets for wayland";
-    homepage = "https://github.com/tuxdotrs/tshell";
-    license = lib.licenses.gpl3Only;
-    mainProgram = "tshell";
-    platforms = lib.platforms.linux;
-  };
-}
+    meta = {
+      description = "tux's widgets for wayland";
+      homepage = "https://github.com/tuxdotrs/tshell";
+      license = lib.licenses.gpl3Only;
+      mainProgram = "tshell";
+      platforms = lib.platforms.linux;
+    };
+  }