From 90f5a9440c62340aad9341cb9314462600e9b76f Mon Sep 17 00:00:00 2001
From: Rubidium <rubidium@openttd.org>
Date: Sun, 2 Feb 2025 23:23:08 +0100
Subject: [PATCH] Codechange: add automation for (re)setting the 'work: needs
 rebase' label on PRs

---
 .github/workflows/rebase-checker.yml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 .github/workflows/rebase-checker.yml

diff --git a/.github/workflows/rebase-checker.yml b/.github/workflows/rebase-checker.yml
new file mode 100644
index 0000000000..29ac833a39
--- /dev/null
+++ b/.github/workflows/rebase-checker.yml
@@ -0,0 +1,19 @@
+name: "Update 'work: needs rebase' label status"
+on:
+  # So that PRs touching the same files as the push are updated
+  push:
+  # So that the `dirtyLabel` is removed if conflicts are resolve
+  # We recommend `pull_request_target` so that github secrets are available.
+  # In `pull_request` we wouldn't be able to change labels of fork PRs
+  pull_request_target:
+    types: [synchronize]
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: check if prs are in need of a rebase
+        uses: eps1lon/actions-label-merge-conflict@v3
+        with:
+          dirtyLabel: "work: needs rebase"
+          repoToken: "${{ secrets.GITHUB_TOKEN }}"