From 8ae7b23480b896e2cb6e5dda6610d15ae6d903ff Mon Sep 17 00:00:00 2001
From: Stan Ulbrych <stan@ulbrych.org>
Date: Fri, 6 Mar 2026 17:15:46 +0000
Subject: [PATCH] Add workflow to check for `DO-NOT-MERGE` label

---
 .github/workflows/require-pr-label.yml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 .github/workflows/require-pr-label.yml

diff --git a/.github/workflows/require-pr-label.yml b/.github/workflows/require-pr-label.yml
new file mode 100644
index 000000000..08d79bbb7
--- /dev/null
+++ b/.github/workflows/require-pr-label.yml
@@ -0,0 +1,23 @@
+name: Check labels
+
+on:
+  pull_request:
+    types: [opened, reopened, labeled, unlabeled, synchronize]
+
+jobs:
+  label-dnm:
+    name: DO-NOT-MERGE
+    if: github.repository_owner == 'python'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: read
+    timeout-minutes: 10
+
+    steps:
+      - name: Check there's no DO-NOT-MERGE
+        uses: mheap/github-action-required-labels@v5
+        with:
+          mode: exactly
+          count: 0
+          labels: |
+            DO-NOT-MERGE