From 9f24467eaab350b47ba331a2d187c6ea9804183e Mon Sep 17 00:00:00 2001
From: "opensearch-trigger-bot[bot]"
 <98922864+opensearch-trigger-bot[bot]@users.noreply.github.com>
Date: Fri, 8 Sep 2023 10:31:16 -0500
Subject: [PATCH] Add backport workflows (#12) (#16)

(cherry picked from commit 4693a76bc5f6f861cf38aa5c789d85f7857ba366)

Signed-off-by: Sayali Gaikawad <gaiksaya@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
---
 .github/workflows/backport.yml               | 40 ++++++++++++++++++++
 .github/workflows/delete-backport-branch.yml | 15 ++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 .github/workflows/backport.yml
 create mode 100644 .github/workflows/delete-backport-branch.yml

diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
new file mode 100644
index 0000000..607c6de
--- /dev/null
+++ b/.github/workflows/backport.yml
@@ -0,0 +1,40 @@
+name: Backport
+on:
+  pull_request_target:
+    types:
+      - closed
+      - labeled
+
+jobs:
+  backport:
+    name: Backport
+    runs-on: ubuntu-latest
+    # Only react to merged PRs for security reasons.
+    # See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target.
+    if: >
+      github.event.pull_request.merged
+      && (
+        github.event.action == 'closed'
+        || (
+          github.event.action == 'labeled'
+          && contains(github.event.label.name, 'backport')
+        )
+      )
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: GitHub App token
+        id: github_app_token
+        uses: tibdex/github-app-token@v1.5.0
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+          installation_id: 22958780
+
+      - name: Backport
+        uses: VachaShah/backport@v2.2.0
+        with:
+          github_token: ${{ steps.github_app_token.outputs.token }}
+          head_template: backport/backport-<%= number %>-to-<%= base %>
+          failure_labels: backport-failed
diff --git a/.github/workflows/delete-backport-branch.yml b/.github/workflows/delete-backport-branch.yml
new file mode 100644
index 0000000..387a124
--- /dev/null
+++ b/.github/workflows/delete-backport-branch.yml
@@ -0,0 +1,15 @@
+name: Delete merged branch of the backport PRs
+on: 
+  pull_request:
+    types:
+      - closed
+  
+jobs:
+  delete-branch:
+    runs-on: ubuntu-latest
+    if: startsWith(github.event.pull_request.head.ref,'backport/')
+    steps:
+      - name: Delete merged branch
+        uses: SvanBoxel/delete-merged-branch@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}