dep-update-review.yml

name: Dependency Update Reviewer

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
    paths:
      - "**Cargo.lock"
      - "**Cargo.toml"

jobs:
  generate-report:
    runs-on: ubuntu-latest-xl
    name: Comment update review report on PR
    env:
      MAX_ALLOWED_CHARS: 65536
    steps:
      - name: checkout
        uses: actions/checkout@v2.3.4
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: checkout base ref
        uses: actions/checkout@v2.3.4
        with:
          ref: ${{ github.event.pull_request.base.sha }}
          path: diem-base
      - name: install depdive
        run: cargo install depdive --version=0.1.0
      - name: Get depdive update report
        id: set-update-report
        run: |
          output="$(depdive update-review paths ./diem-base/ ./)"
          echo "${output}"
          output="${output//'%'/'%25'}"
          output="${output//$'\n'/'%0A'}"
          output="${output//$'\r'/'%0D'}"
          echo "::set-output name=report::${output}"
          length=$(echo ${output} | wc -c)
          flag=$(( ${length} < ${MAX_ALLOWED_CHARS} ))
          echo "::set-output name=flag::${flag}"
      - name: make valid comment
        if: ${{ steps.set-update-report.outputs.report && steps.set-update-report.outputs.flag == 1 }}
        uses: diem/actions/comment@a5fa31ff2b54a544cd88ac912cda469742592e6c
        with:
          comment: |
            ${{ steps.set-update-report.outputs.report }}
          tag: update-review-report
          delete-older: true
      - name: make comment when output too big
        if: ${{ steps.set-update-report.outputs.flag == 0 }}
        uses: diem/actions/comment@a5fa31ff2b54a544cd88ac912cda469742592e6c
        with:
          # todo if comment too big, create a gist and post the gist link
          comment: |
            `This PR contains dependency updates.
            However, Depdive update review report exceeds max. characters allowed in a GitHub comment.
            Please, run depdive locally or check actions.`
          tag: update-review-report
          delete-older: true