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Sync with upstream

Sync with upstream #64

name: "Sync with upstream"
on:
schedule:
- cron: 20 4 * * *
workflow_dispatch:
env:
# repo to fetch changes from
UPSTREAM_REPO: vllm-project/vllm
# branch to sync
BRANCH: main
jobs:
upstream-sync:
name: Sync with upstream
runs-on: ubuntu-latest
permissions:
pull-requests: write
contents: write
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Fetch upstream repo
run: |
git remote add upstream https://github.com/${UPSTREAM_REPO}
git fetch upstream
- name: Check diff
id: diff
shell: bash
run: |
echo 'diff<<EOF' >> $GITHUB_OUTPUT
git diff --stat upstream/${BRANCH} | tee -a >(cat >> $GITHUB_OUTPUT)
echo 'EOF' >> $GITHUB_OUTPUT
- name: Create PR
if: ${{ steps.diff.outputs.diff != '' }}
env:
GH_TOKEN: ${{ github.token }}
run: |
set -xeu
git_hash="$(git rev-parse upstream/${BRANCH})"
echo "git_hash=$git_hash" >> $GITHUB_OUTPUT
git_describe="$(git describe --tags upstream/${BRANCH})"
echo "git_describe=$git_describe" >> $GITHUB_OUTPUT
# echo 'commits<<EOF' >> $GITHUB_OUTPUT
# git log --oneline ..upstream/${BRANCH} >> $GITHUB_OUTPUT
# echo 'EOF' >> $GITHUB_OUTPUT
upstream_url="https://github.com/${UPSTREAM_REPO}"
upstream_branch="$upstream_url/tree/${BRANCH}"
title="Sync with upstream@${git_describe}"
body="Merge [${UPSTREAM_REPO}]($upstream_url):[${BRANCH}]($upstream_branch)@[${git_describe}](${upstream_url}/commit/$git_hash) into $BRANCH"
gh repo set-default $GITHUB_REPOSITORY
pr_number=$(gh pr list -S "Sync with upstream@" --json number --jq '.[0].number')
if [[ -z $pr_number ]]; then
echo "Creating PR"
gh pr create \
--head $(echo $UPSTREAM_REPO | sed 's|/|:|g'):${BRANCH} \
--base ${BRANCH} \
--label code-sync \
--title "$title" \
--body "$body" \
--draft \
--no-maintainer-edit
exit 0
fi
echo "Updating PR \#${pr_number}"
gh pr edit \
$pr_number \
--body "$body" \
--title "$title"