From 7c74ffd16c44e46ec510e69f81fbebbd2f8dca10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Hurlin?= <clement.hurlin@moduscreate.com>
Date: Thu, 25 Apr 2024 11:51:02 +0200
Subject: [PATCH] CI: run actionlint

---
 .github/workflows/actionlint-exceptions.txt |  1 +
 .github/workflows/actionlint.yml            | 44 +++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 .github/workflows/actionlint-exceptions.txt
 create mode 100644 .github/workflows/actionlint.yml

diff --git a/.github/workflows/actionlint-exceptions.txt b/.github/workflows/actionlint-exceptions.txt
new file mode 100644
index 0000000000..3055b04595
--- /dev/null
+++ b/.github/workflows/actionlint-exceptions.txt
@@ -0,0 +1 @@
+.github/workflows/check-stylish-haskell.yml
diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
new file mode 100644
index 0000000000..25a05cf9e3
--- /dev/null
+++ b/.github/workflows/actionlint.yml
@@ -0,0 +1,44 @@
+name: Actionlint
+
+on:
+  pull_request:
+
+jobs:
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      # We want to install Nix to provision shellcheck, so that actionlint doesn't install
+      # its own shellcheck. This will also make sure that this pipeline runs using
+      # the same shellcheck as the ones in Nix shells of developers.
+      - name: Install Nix with good defaults
+        uses: input-output-hk/install-nix-action@v20
+        with:
+          extra_nix_config: |
+            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
+            substituters = https://cache.iog.io/ https://cache.nixos.org/
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: cachix/install-nix-action@v18
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      # Make the Nix environment available to next steps
+      - uses: rrbutani/use-nix-shell-action@v1
+
+      - name: Install actionlint
+        run: |
+          # Puts the "actionlint" binary in the working folder
+          bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+
+      - name: Run Actionlint
+        run: |
+          for file in $(git ls-files ".github/workflows/*.y*ml")
+          do
+            if grep -q "$file" ".github/workflows/actionlint-exceptions.txt"
+            then
+              echo "⚠️ $file is ignored from actionlint's verifications. Please consider fixing it."
+            else
+              echo "./actionlint $file"
+              ./actionlint "$file"
+            fi
+          done