Backmerge master to staging

.github/workflows/backmerge.yml

@@ -0,0 +1,35 @@
+name: Backmerge master to staging
+
+on:
+  push:
+    branches: [ master ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  backmerge:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Check for Pull Request
+        id: check
+        run: |
+          PR_LIST=$(gh pr list --base="staging" --head="master" --state="open" --json="number")
+          echo $PR_LIST
+          echo "::set-output name=pr_list::$PR_LIST"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create Pull Request
+        run: |
+          if [ $PR_LIST = "[]" ]
+          then
+            gh pr create --title="Backmerge master to staging" --body="" --base="staging" --head="master"
+          else
+            echo "Open PR already exists"
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_LIST: ${{ steps.check.outputs.pr_list }}

CODEOWNERS

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+/README.md   @samatcolumn
+
+/foo/        @hatboysam
+/foo/baz/    @hatboysam-test
+
+/bar/        @hatboysam-test

README.md

@@ -1 +1,3 @@
-# testbed
+# testbed - apple
+
+Update the README. Again.

bar/file.txt

@@ -0,0 +1 @@
+bar/file.txt

foo/baz/file.txt

@@ -0,0 +1 @@
+foo/baz/file.txt

foo/file.txt

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+foo/file.txt