From fc98bcd703c949c77977efad91ec9867d9bb69d6 Mon Sep 17 00:00:00 2001
From: Craig Ferguson <me@craigfe.io>
Date: Thu, 23 Jul 2020 22:03:08 +0200
Subject: [PATCH] Add a CI check for changelog entries

---
 .github/workflows/changelog-check.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 .github/workflows/changelog-check.yml

diff --git a/.github/workflows/changelog-check.yml b/.github/workflows/changelog-check.yml
new file mode 100644
index 00000000..35b77790
--- /dev/null
+++ b/.github/workflows/changelog-check.yml
@@ -0,0 +1,20 @@
+name: Changelog check
+
+on:
+  pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened, labeled, unlabeled ]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: git diff
+      if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-changelog-needed') }}
+      env:
+        BASE_REF: ${{ github.event.pull_request.base.ref }}
+      run: |
+        ! git diff --exit-code origin/$BASE_REF -- CHANGES.md