diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4264deb9..b02eb3b3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,6 +25,13 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.PUSH_TOKEN }}
+
+      - name: Set Git user info
+        run: |
+          git config user.name 'github-actions[bot]'
+          git config user.email 'github-actions[bot]@users.noreply.github.com'
 
       - name: Get short revision
         id: rev
@@ -41,13 +48,11 @@ jobs:
             'nixpkgs#nixfmt-rfc-style' -- .
 
       - name: Commit changes
-        env:
-          GITHUB_TOKEN: ${{ secrets.PUSH_TOKEN }}
-        uses: planetscale/ghcommit-action@v0.1.39
-        with:
-          commit_message: "style: format ${{ steps.rev.outputs.rev }}"
-          repo: "${{ github.repository }}"
-          branch: "${{ github.head_ref || github.ref_name }}"
+        run: |
+          if ! git diff --color=always --exit-code; then
+            git commit -am "style: format ${{ steps.rev.outputs.rev }}"
+            git push
+          fi
 
   validate-sources:
     name: Validate sources
diff --git a/dev/flake.nix b/dev/flake.nix
index f00b1d27..8e593a34 100644
--- a/dev/flake.nix
+++ b/dev/flake.nix
@@ -17,12 +17,12 @@
   };
 
   outputs =
-    {
-      self,
-      nixpkgs,
-      nixpkgs-stable,
-      home-manager,
-      home-manager-stable,
+    { self
+    , nixpkgs
+    , nixpkgs-stable
+    , home-manager
+    , home-manager-stable
+    ,
     }:
     let
       systems = [
@@ -41,11 +41,10 @@
     in
     {
       apps = forAllSystems (
-        {
-          lib,
-          pkgs,
-          system,
-          ...
+        { lib
+        , pkgs
+        , system
+        , ...
         }:
         {
           add-source = {
@@ -73,11 +72,10 @@
       );
 
       checks = forAllSystems (
-        {
-          lib,
-          pkgs,
-          system,
-          ...
+        { lib
+        , pkgs
+        , system
+        , ...
         }:
         lib.optionalAttrs pkgs.stdenv.isLinux {
           module-test-unstable = pkgs.callPackage ../test.nix { inherit home-manager; };
@@ -90,11 +88,10 @@
       formatter = forAllSystems (pkgs: pkgs.nixfmt-rfc-style);
 
       packages = forAllSystems (
-        {
-          lib,
-          pkgs,
-          system,
-          ...
+        { lib
+        , pkgs
+        , system
+        , ...
         }:
         let
           version = self.shortRev or self.dirtyShortRev or "unknown";