release-notes-monitor.yml

name: Release Notes Monitor

on:
  workflow_dispatch:
  schedule:
    - cron: '0 */3 * * *'  # every 3 hours

jobs:
  get-list-of-prs:
    name: Get Release Notes for new PRs
    outputs:
      matrix: ${{ steps.get-pr-list.outputs.matrix }}
      new_commit_hash: ${{ steps.get-pr-list.outputs.new_commit_hash }}
      existing_commit_tag: ${{ steps.get-pr-list.outputs.existing_commit_tag }}
      new_tag: ${{ steps.get-pr-list.outputs.new_tag }}
      sui_version: ${{ steps.get-pr-list.outputs.sui_version }}
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout sui repo main branch
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # Pin v4.1.1
      with:
        fetch-depth: 0
        ref: main

    - name: Get list of PRs
      id: get-pr-list
      working-directory: ./
      run: |
        export new_commit_hash=$(git rev-parse HEAD)
        export existing_commit_tag=$(git tag --points-at ${new_commit_hash} | grep -E 'sui_v(.*)_rel_notes' | head -n 1)

        export previous_tag=$(git tag | grep -E 'sui_v1(.*)_rel_notes' | sort -rV | head -1)
        export previous_commit_hash=$(git rev-list -n 1 ${previous_tag})
        
        export list_of_prs=$(git log --grep "\[x\]" --pretty=oneline --abbrev-commit ${previous_commit_hash}...${new_commit_hash} -- consensus crates dashboards doc docker external-crates kiosk nre sui-execution | grep -o '#[0-9]\+' | grep -o '[0-9]\+' | jq -R -s -c 'split("\n")[:-1]')

        echo "matrix=${list_of_prs}" >> $GITHUB_OUTPUT
        echo "new_commit_hash=${new_commit_hash}" >> $GITHUB_OUTPUT
        echo "existing_commit_tag=${existing_commit_tag}" >> $GITHUB_OUTPUT
        
        export sui_crate_version=$(cat Cargo.toml | grep "^version =" | tr -d '"' | awk '{ print $3 }')
        export new_tag=$(echo "sui_v${sui_crate_version}_$(date +%s)_rel_notes")
        echo "new_tag=${new_tag}" >> $GITHUB_OUTPUT
        echo "sui_version=${sui_crate_version}" >> $GITHUB_OUTPUT
        
  process-prs:
    name: Processing PR
    needs: [ get-list-of-prs ]
    if: ${{ needs.get-list-of-prs.outputs.matrix != '[]' && needs.get-list-of-prs.outputs.matrix != '' }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
         pr: ${{ fromJson(needs.get-list-of-prs.outputs.matrix) }}

    steps:
    - name: Reading Release notes
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        echo "Processing PR#${{ matrix.pr }}"
        
        # old format
        export rel_notes=$(gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/MystenLabs/sui/pulls/${{ matrix.pr }} --jq ".body" | awk '/### Release notes/{p=1; next} p' | sed '/^[[:space:]]*$/d')
        
        # new format
        [[ -z $rel_notes ]] && export rel_notes=$(gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/MystenLabs/sui/pulls/${{ matrix.pr }} --jq ".body" | awk '/^\- \[x\]/')

        # make text json payload friendly
        rel_notes="${rel_notes//\\/\\\\}"
        rel_notes="${rel_notes//\"/\\\"}"
        rel_notes="${rel_notes//$'\r'/}"
        echo "release_notes=${rel_notes}" >> $GITHUB_ENV

    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@e3dd6a429d7300a6a4c196c26e071d42e0343502 # pin v4.0.2
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: us-west-2

    - name: Get PR author
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        export author=$(gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/MystenLabs/sui/pulls/${{ matrix.pr }} --jq ".user.login")
        export slack_id=$(aws s3 cp s3://mysten-employees-dir/employees.json - | jq --arg AUTHOR "${author}" '.[] | if .github_handle == $AUTHOR then .slack_id else empty end')

        # if we don't have the slack id or the author is not part of Mysten org, get the reviewer instead
        if [ -z "$slack_id" ]; then
          export reviewer=$(gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/MystenLabs/sui/pulls/${{ matrix.pr }}/reviews --jq ".[0].user.login")
          export slack_id=$(aws s3 cp s3://mysten-employees-dir/employees.json - | jq --arg AUTHOR "${reviewer}" '.[] | if .github_handle == $AUTHOR then .slack_id else empty end')
        fi

        echo "slack_id=$(echo ${slack_id} | tr -d '"')" >> $GITHUB_ENV

    - name: Post to a Slack channel
      uses: slackapi/slack-github-action@34c3fd73326693ef04728f8611669d918a2d781d # pin@v1.19.0
      env:
        SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
      with:
        channel-id: '#ext-mysten-release-notes'
        slack-message: |
          "PR *${{ matrix.pr }}* Release Notes
          *PR* <https://github.com/MystenLabs/sui/pull/${{ matrix.pr }}|${{ matrix.pr }}> by <@${{ env.slack_id }}>
          <@U03LRLPR1QX> and <@U04A8V9E203> please review release notes for upcoming `v${{ needs.get-list-of-prs.outputs.sui_version }}` release.
          *Release Notes:*
          ${{ env.release_notes }}

  tag:
    name: Adding git tag to processed commit
    needs: [ get-list-of-prs ]
    if: ${{ success() && needs.get-list-of-prs.outputs.existing_commit_tag == '' }}
    uses: mystenlabs/sui/.github/workflows/tag.yml@main
    with:
      sui_commit: ${{ needs.get-list-of-prs.outputs.new_commit_hash }}
      tag_name: ${{ needs.get-list-of-prs.outputs.new_tag }}
    secrets: inherit