From a786bda1248a6081e7cf8edcc5f508e11d091e3c Mon Sep 17 00:00:00 2001
From: Ash Berlin-Taylor <ash_github@firemirror.com>
Date: Thu, 28 May 2020 11:30:00 +0100
Subject: [PATCH] Cancel queued/running builds on second push to PR

This uses an action from the marketplace to cancel any running builds
for our main "CI" workflow (the only one we have at the moment)
---
 .github/workflows/cancel.yml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 .github/workflows/cancel.yml

diff --git a/.github/workflows/cancel.yml b/.github/workflows/cancel.yml
new file mode 100644
index 0000000000000..b4bf0d7f8bfbd
--- /dev/null
+++ b/.github/workflows/cancel.yml
@@ -0,0 +1,30 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Cancel
+on: [push]
+jobs:
+  cancel:
+    name: 'Cancel Previous Runs'
+    runs-on: ubuntu-latest
+    timeout-minutes: 3
+    steps:
+      - uses: styfle/cancel-workflow-action@0.3.2
+        with:
+          # Fetch via https://api.github.com/repos/apache/airflow/actions/workflows/ci.yml
+          workflow_id: 1029499
+          access_token: ${{ github.token }}