From 02c4d51fd0869ba7f132c286a22788056774eba7 Mon Sep 17 00:00:00 2001
From: Simon Cruanes <simon.cruanes.2007@m4x.org>
Date: Tue, 25 Nov 2025 20:12:06 -0500
Subject: [PATCH] chore: CI

---
 .github/workflows/format.yml | 28 ++++++++++++++++++++++++++++
 .github/workflows/main.yml   |  2 +-
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/format.yml

diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 00000000..acbf3d16
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,28 @@
+name: format
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  format:
+    name: format
+    strategy:
+      matrix:
+        ocaml-compiler:
+            - '5.3'
+    runs-on: 'ubuntu-latest'
+    steps:
+      - uses: actions/checkout@main
+      - name: Use OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v3
+        with:
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+          dune-cache: true
+          allow-prerelease-opam: true
+
+      - run: opam install ocamlformat.0.27.0
+      - run: opam exec -- make format-check
+
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ac0df631..5c1096c9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
             - '4.08'
             - '4.10'
             - '4.14'
-            - '5.2'
+            - '5.3'
             - 'ocaml-variants.5.0.0+options,ocaml-option-bytecode-only'
 
     runs-on: ${{ matrix.os }}