From 499913fbc629f8fc206bf290bb7041d9d4f39c13 Mon Sep 17 00:00:00 2001
From: Shumpei Wakabayashi <42209144+shmpwk@users.noreply.github.com>
Date: Thu, 2 May 2024 11:05:01 +0900
Subject: [PATCH] ci: add comment-on-pr.yaml (#400)

---
 .github/workflows/comment-on-pr.yaml | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .github/workflows/comment-on-pr.yaml

diff --git a/.github/workflows/comment-on-pr.yaml b/.github/workflows/comment-on-pr.yaml
new file mode 100644
index 0000000000..3cfec4bf14
--- /dev/null
+++ b/.github/workflows/comment-on-pr.yaml
@@ -0,0 +1,25 @@
+name: comment-on-pr
+
+on:
+  pull_request:
+    types:
+      - opened
+    branches:
+      - beta/v0.[0-9]+.[1-9]+
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create comments
+        run: |
+          cat << EOF > comments
+          ### Merging guidelines for the beta branch
+          Please use `Squash and merge` as the default.
+          However, when incorporating multiple changes with cherry-pick, use a `Create a merge commit` to preserve the changes in the history.
+          EOF
+      - name: Post comments
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          URL: ${{ github.event.pull_request.html_url }}
+        run: gh pr comment -F ./comments "${URL}"