From 49109154a853952a476645814a1b23204a782874 Mon Sep 17 00:00:00 2001
From: Nanne Baars <nanne.baars@owasp.org>
Date: Wed, 29 Sep 2021 18:12:22 +0200
Subject: [PATCH] Add action to warn against PR against master (should be
 develop)

---
 .github/workflows/master_branch_pr.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 .github/workflows/master_branch_pr.yml

diff --git a/.github/workflows/master_branch_pr.yml b/.github/workflows/master_branch_pr.yml
new file mode 100644
index 000000000..5b6cc4e46
--- /dev/null
+++ b/.github/workflows/master_branch_pr.yml
@@ -0,0 +1,18 @@
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Post PR comment
+        if: failure()
+        uses: mshick/add-pr-comment@v1
+        with:
+          message: |
+            Hi @${{ github.event.pull_request.user.login }},
+
+            It looks like this pull request has been made against the ${{github.event.pull_request.head.repo.full_name}} `master` branch.
+            Since we use Git Flow all commits to master are through are from the develop branch.
+            You do not need to close this PR, you can change the target branch to `development` by clicking the _"Edit"_ button at the top of this page.
\ No newline at end of file