From 00c9e4d874b313fe539b090a5146842e3d53f51f Mon Sep 17 00:00:00 2001
From: Owais Kazi <owaiskazi19@gmail.com>
Date: Tue, 12 Sep 2023 13:54:40 -0700
Subject: [PATCH] Adds backport workflow (#28)

Added backport workflow

Signed-off-by: Owais Kazi <owaiskazi19@gmail.com>
---
 .github/workflows/add-backport-label.yml     | 14 +++++++
 .github/workflows/backport.yml               | 39 ++++++++++++++++++++
 .github/workflows/delete-backport-branch.yml | 15 ++++++++
 3 files changed, 68 insertions(+)
 create mode 100644 .github/workflows/add-backport-label.yml
 create mode 100644 .github/workflows/backport.yml
 create mode 100644 .github/workflows/delete-backport-branch.yml

diff --git a/.github/workflows/add-backport-label.yml b/.github/workflows/add-backport-label.yml
new file mode 100644
index 000000000..89eca1976
--- /dev/null
+++ b/.github/workflows/add-backport-label.yml
@@ -0,0 +1,14 @@
+name: Add Backport Label
+on:
+  pull_request_target:
+    branches: main
+    types: opened
+
+jobs:
+  add_labels:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: backport 2.x
diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
new file mode 100644
index 000000000..26a7aa496
--- /dev/null
+++ b/.github/workflows/backport.yml
@@ -0,0 +1,39 @@
+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
+        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 %>
diff --git a/.github/workflows/delete-backport-branch.yml b/.github/workflows/delete-backport-branch.yml
new file mode 100644
index 000000000..f24f022b0
--- /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 }}