From e72b2acfc12939419285378b6ed45be7645788e6 Mon Sep 17 00:00:00 2001
From: RiskeyL <7a8y@163.com>
Date: Thu, 28 May 2026 11:50:06 +0800
Subject: [PATCH] fix: correct backport PR template syntax and clear
 auto-assignee

---
 .backportrc.json                              |  3 ++-
 .github/workflows/backport-clear-assignee.yml | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/backport-clear-assignee.yml

diff --git a/.backportrc.json b/.backportrc.json
index 55f9a3215..00a9eaa10 100644
--- a/.backportrc.json
+++ b/.backportrc.json
@@ -2,7 +2,8 @@
   "branchLabelMapping": {
     "^backport-to-(release/.+)$": "$1"
   },
-  "prTitle": "{commitMessages} (backport to {targetBranch})",
+  "prTitle": "{{commitMessages}} (backport to {{targetBranch}})",
+  "prDescription": "# Backport\n\nThis will backport the following commits from `{{sourceBranch}}` to `{{targetBranch}}`:\n\n- {{commitMessages}}",
   "targetPRLabels": ["backport"],
   "autoMerge": false
 }
diff --git a/.github/workflows/backport-clear-assignee.yml b/.github/workflows/backport-clear-assignee.yml
new file mode 100644
index 000000000..b5ec85600
--- /dev/null
+++ b/.github/workflows/backport-clear-assignee.yml
@@ -0,0 +1,18 @@
+name: Clear assignee on backport PRs
+on:
+  pull_request_target:
+    types: [assigned]
+permissions:
+  pull-requests: write
+jobs:
+  clear:
+    if: startsWith(github.event.pull_request.head.ref, 'backport/')
+    runs-on: depot-ubuntu-24.04
+    steps:
+      - name: Remove the newly added assignee
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR: ${{ github.event.pull_request.number }}
+          USER: ${{ github.event.assignee.login }}
+          REPO: ${{ github.repository }}
+        run: gh pr edit "$PR" --repo "$REPO" --remove-assignee "$USER"