From 295a789c429ee269a6a18142f7f6f43d0024d767 Mon Sep 17 00:00:00 2001
From: Mads Marquart <mads@marquart.dk>
Date: Fri, 15 Mar 2024 15:22:38 +0100
Subject: [PATCH] Check commit message length in CI

---
 .github/workflows/check-commit-msg.yml | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 .github/workflows/check-commit-msg.yml

diff --git a/.github/workflows/check-commit-msg.yml b/.github/workflows/check-commit-msg.yml
new file mode 100644
index 0000000000..e39008068f
--- /dev/null
+++ b/.github/workflows/check-commit-msg.yml
@@ -0,0 +1,22 @@
+name: Check Commit Messages
+
+on:
+  pull_request:
+
+jobs:
+  length:
+    name: Check that length of commit messages are <72 characters
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Fetch branch data from origin
+        run: git fetch origin
+      - run: |
+          COMMIT_MESSAGES=$(git log --format=%s origin/$GITHUB_BASE_REF..HEAD)
+          for MESSAGE in $COMMIT_MESSAGES; do
+            LENGTH=$(echo $MESSAGE | wc -c)
+            if [ $LENGTH -gt 72 ]; then
+              echo "Commit message \"$MESSAGE\" is too long ($LENGTH characters). Please keep commit messages under 72 characters."
+              exit 1
+            fi
+          done