upstream-release-sync.yml

name: Sync upstream release

on:
  schedule:
    - cron: '39 6 * * Tue'
  workflow_dispatch:

concurrency:
  group: upstream-release-sync

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/create-github-app-token@v3
        id: app-token
        with:
          app-id: ${{ secrets.SYNC_AGENT_APP_ID }}
          private-key: ${{ secrets.SYNC_AGENT_PRIVATE_KEY }}

      - name: Setup GitHub CLI
        run: |
          git init --bare
          git remote add origin https://x-access-token:${{ steps.app-token.outputs.token }}@github.com/${{ github.repository }}.git
          gh repo set-default ${{ github.repository }}
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: Get latest upstream release
        id: upstream
        run: |
          tag=$(gh release view --repo misskey-dev/misskey --json tagName --jq '.tagName')
          echo "tag=$tag" >> "$GITHUB_OUTPUT"
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: Check if PR already exists
        id: check
        run: |
          if gh pr list --json isCrossRepository --state all --base develop --head upstream/${{ steps.upstream.outputs.tag }} | \
              jq -e '.[] | select(.isCrossRepository == false)' > /dev/null 2>&1
          then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: Get GitHub App User ID
        id: get-user-id
        run: echo "user-id=$(gh api "/users/${{ steps.app-token.outputs.app-slug }}[bot]" --jq .id)" >> "$GITHUB_OUTPUT"
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: Sync from origin
        if: steps.check.outputs.exists == 'false'
        run: git fetch --filter=blob:none origin develop

      - name: Add upstream remote and fetch tag
        if: steps.check.outputs.exists == 'false'
        run: |
          git remote add upstream https://github.com/misskey-dev/misskey.git
          git fetch upstream tag "${{ steps.upstream.outputs.tag }}" --no-tags

      - name: Create and push branch
        if: steps.check.outputs.exists == 'false'
        id: branch
        run: |
          if git merge-base --is-ancestor ${{ steps.upstream.outputs.tag }} origin/develop; then
            echo "develop branch is newer than tag:${{ steps.upstream.outputs.tag }}"
            echo "newer=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          git push origin "refs/tags/${{ steps.upstream.outputs.tag }}:refs/heads/upstream/${{ steps.upstream.outputs.tag }}"

      - name: Create PR
        if: steps.branch.outputs.newer != 'true'
        run: |
          body=$(gh release view "${{ steps.upstream.outputs.tag }}" --repo misskey-dev/misskey --json body --jq '.body')
          if [[ -z "$body" ]]; then
            body="Sync upstream release: ${{ steps.upstream.outputs.tag }}"
          fi
          echo "$body" > /tmp/pr-body.txt
          gh pr create \
            --title "upstream: ${{ steps.upstream.outputs.tag }}" \
            --body-file /tmp/pr-body.txt \
            --head "upstream/${{ steps.upstream.outputs.tag }}" \
            --base develop
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}