From e5dfc9cb276fa4542dac30e85d2767fcd33d5899 Mon Sep 17 00:00:00 2001
From: Will Hickey <will.hickey@solana.com>
Date: Fri, 20 Oct 2023 11:01:52 -0500
Subject: [PATCH] Add check for CHANGELOG.md change when changelog label
 applied to PR (#33675)

* Add check for CHANGELOG.md change when changelog label applied to PR

* Update changelog
---
 .github/scripts/check-changelog.sh    | 10 ++++++++++
 .github/workflows/changelog-label.yml | 20 ++++++++++++++++++++
 CHANGELOG.md                          |  1 +
 3 files changed, 31 insertions(+)
 create mode 100755 .github/scripts/check-changelog.sh
 create mode 100644 .github/workflows/changelog-label.yml

diff --git a/.github/scripts/check-changelog.sh b/.github/scripts/check-changelog.sh
new file mode 100755
index 000000000..a310000d8
--- /dev/null
+++ b/.github/scripts/check-changelog.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+set -uo pipefail
+
+CHANGELOG_FILE="CHANGELOG.md"
+echo "Checking: git diff --exit-code origin/${BASE_REF} -- ${CHANGELOG_FILE}"
+
+if git diff --exit-code "origin/${BASE_REF}" -- "${CHANGELOG_FILE}"; then
+    >&2 echo "Error: this pull request requires an entry in $CHANGELOG_FILE, but no entry was found"
+    exit 1
+fi
diff --git a/.github/workflows/changelog-label.yml b/.github/workflows/changelog-label.yml
new file mode 100644
index 000000000..c63f7821c
--- /dev/null
+++ b/.github/workflows/changelog-label.yml
@@ -0,0 +1,20 @@
+name: Require changelog entry
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, labeled, unlabeled]
+
+jobs:
+  check-changelog:
+    if: contains(github.event.pull_request.labels.*.name, 'changelog')
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - name: Check if changes to CHANGELOG.md
+      shell: bash
+      env:
+        BASE_REF: ${{ github.event.pull_request.base.ref }}
+      run: .github/scripts/check-changelog.sh
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bc3ceb4d..a99a5ffe0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ Release channels have their own copy of this changelog:
 <a name="edge-channel"></a>
 ## [1.18.0] - Unreleased
 * Changes
+  * Added a github check to support `changelog` label
 * Upgrade Notes
 
 ## [1.17.0]