From 9028c172481d91f544106ed47192684fb05cb423 Mon Sep 17 00:00:00 2001
From: Yuhong Sun <yuhongsun96@gmail.com>
Date: Thu, 24 Oct 2024 18:50:20 -0700
Subject: [PATCH] k

---
 .github/pull_request_template.md              | 30 ++++++-----
 .github/workflows/pr-backport-autotrigger.yml | 52 +++++++++++++++++++
 2 files changed, 69 insertions(+), 13 deletions(-)
 create mode 100644 .github/workflows/pr-backport-autotrigger.yml

diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index e57283f0377..c49908b1d54 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -6,20 +6,24 @@
 [Describe the tests you ran to verify your changes]
 
 
-## Accepted Risk
-[Any know risks or failure modes to point out to reviewers]
+## Accepted Risk (provide if relevant)
+N/A
 
 
-## Related Issue(s)
-[If applicable, link to the issue(s) this PR addresses]
+## Related Issue(s) (provide if relevant)
+N/A
 
 
-## Checklist:
-- [ ] All of the automated tests pass
-- [ ] All PR comments are addressed and marked resolved
-- [ ] If there are migrations, they have been rebased to latest main
-- [ ] If there are new dependencies, they are added to the requirements
-- [ ] If there are new environment variables, they are added to all of the deployment methods
-- [ ] If there are new APIs that don't require auth, they are added to PUBLIC_ENDPOINT_SPECS
-- [ ] Docker images build and basic functionalities work
-- [ ] Author has done a final read through of the PR right before merge
+## Mental Checklist:
+- All of the automated tests pass
+- All PR comments are addressed and marked resolved
+- If there are migrations, they have been rebased to latest main
+- If there are new dependencies, they are added to the requirements
+- If there are new environment variables, they are added to all of the deployment methods
+- If there are new APIs that don't require auth, they are added to PUBLIC_ENDPOINT_SPECS
+- Docker images build and basic functionalities work
+- Author has done a final read through of the PR right before merge
+
+## Backporting (check the box to trigger backport action)
+Note: You have to check that the action passes, otherwise resolve the conflicts manually and tag the patches.
+[ ] This PR should be backported (make sure to check that the backport attempt succeeds)
diff --git a/.github/workflows/pr-backport-autotrigger.yml b/.github/workflows/pr-backport-autotrigger.yml
new file mode 100644
index 00000000000..4ba5136a82c
--- /dev/null
+++ b/.github/workflows/pr-backport-autotrigger.yml
@@ -0,0 +1,52 @@
+name: Backport on Merge
+
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  backport:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Check for Backport Checkbox
+        id: checkbox-check
+        run: |
+          PR_BODY="${{ github.event.pull_request.body }}"
+          if [[ "$PR_BODY" == *"[x] This PR should be backported"* ]]; then
+            echo "::set-output name=backport::true"
+          else
+            echo "::set-output name=backport::false"
+          fi
+
+      - name: List and sort release branches
+        id: list-branches
+        run: |
+          git fetch --all
+          BRANCHES=$(git branch -r | grep 'origin/release/v' | sed 's|origin/release/v||' | sort -Vr)
+          BETA=$(echo "$BRANCHES" | head -n 1)
+          STABLE=$(echo "$BRANCHES" | head -n 2 | tail -n 1)
+          echo "::set-output name=beta::$BETA"
+          echo "::set-output name=stable::$STABLE"
+
+      - name: Trigger Backport
+        if: steps.checkbox-check.outputs.backport == 'true'
+        run: |
+          echo "Backporting to beta ${{ steps.list-branches.outputs.beta }} and stable ${{ steps.list-branches.outputs.stable }}"
+          # Fetch all history for all branches and tags
+          git fetch --prune --unshallow
+          # Checkout the beta branch
+          git checkout ${{ steps.list-branches.outputs.beta }}
+          # Cherry-pick the last commit from the merged PR
+          git cherry-pick ${{ github.event.pull_request.merge_commit_sha }}
+          # Push the changes to the beta branch
+          git push origin ${{ steps.list-branches.outputs.beta }}
+          # Checkout the stable branch
+          git checkout ${{ steps.list-branches.outputs.stable }}
+          # Cherry-pick the last commit from the merged PR
+          git cherry-pick ${{ github.event.pull_request.merge_commit_sha }}
+          # Push the changes to the stable branch
+          git push origin ${{ steps.list-branches.outputs.stable }}