From f4d8f253fed38e942654bb7b7a17d88be0549840 Mon Sep 17 00:00:00 2001
From: Sora Morimoto <sora@morimoto.io>
Date: Sun, 3 Oct 2021 08:48:09 +0900
Subject: [PATCH] Add lint-fmt job to GitHub Actions workflow

Signed-off-by: Sora Morimoto <sora@morimoto.io>
---
 .github/workflows/ci.yml | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e096a7a..2fc91d3f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,3 +56,25 @@ jobs:
         with:
           name: sesterl-${{ matrix.os }}
           path: sesterl
+
+  lint-fmt:
+    strategy:
+      matrix:
+        ocaml-compiler:
+          - 4.13.x
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Use OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+          dune-cache: true
+
+      - run: opam depext ocamlformat=$(awk -F = 'NR==1 {print $2}' .ocamlformat) --install
+
+      - run: opam exec -- dune build @fmt