From ee1118e8f8bbfc574950b46ff5c9112f488c0ea0 Mon Sep 17 00:00:00 2001
From: Ezra Brooks <ezra@brooks.cx>
Date: Wed, 4 Sep 2024 20:09:38 -0600
Subject: [PATCH] Add commit message checker job

This commit is deliberately bad, to fail CI!
---
 .github/workflows/check-commit-messages.yml | 32 +++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 .github/workflows/check-commit-messages.yml

diff --git a/.github/workflows/check-commit-messages.yml b/.github/workflows/check-commit-messages.yml
new file mode 100644
index 0000000..9658c39
--- /dev/null
+++ b/.github/workflows/check-commit-messages.yml
@@ -0,0 +1,32 @@
+name: Commit message standards checks
+
+on:
+  pull_request:
+
+jobs:
+  check_issue_references:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v4
+        with:
+          lfs: true
+          submodules: recursive
+          # Don't do a shallow clone since we need to poke around in the Git history
+          fetch-depth: 0
+
+      - name: Check that every commit name includes an issue reference like "#1"
+        run: |
+          IFS=$'\n'
+
+          for f in $(git log --oneline ${{github.base_ref}}..${{github.head_ref}})
+          do
+            if [[ $f =~ ^.*#[0-9]+.*$ ]];
+            then
+              continue
+            else
+              echo "Found commit with no issue number: $f"
+              exit 1
+            fi
+          done
+        shell: /usr/bin/bash -eo pipefail {0}