bot.yml

on:
  issue_comment:
    types: [created]

name: Bot

jobs:
  pr_pre_comment:
    # This job only runs for pull request comments
    name: Comment before taking snapshots
    if: ${{ github.event.issue.pull_request && github.event.comment.body == '/snapshot' }}
    runs-on: ubuntu-latest
    steps:
    - uses: actions/github-script@v6
      with:
        script: |
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: "Start taking snapshots for this pull request.\n" +
                  `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`
          });
  pr_snapshot:
    # This job only runs for pull request comments
    name: Generate a snapshot
    needs: [pr_pre_comment]
    if: ${{ github.event.issue.pull_request && github.event.comment.body == '/snapshot' }}
    strategy:
      # Do not run in parallel because we may create a new commit
      max-parallel: 1
      matrix:
        name: [windows, linux]
        include:
        - name: windows
          os: windows-2022
        - name: linux
          os: ubuntu-latest
    runs-on: ${{ matrix.os }}
    env:
      # Set TRYCMD=overwrite to update snapshot
      TRYCMD: overwrite
    steps:
    - uses: actions/github-script@v6
      id: target-branch
      with:
        result-encoding: string
        script: |
          const pull_request = await github.rest.pulls.get({
            owner: context.repo.owner,
            repo: context.repo.repo,
            pull_number: context.issue.number
          });
          return pull_request.data.head.ref;
    - uses: actions/checkout@v2
      with:
        ref: ${{ steps.target-branch.outputs.result }}
    - uses: actions-rs/toolchain@v1
      with:
        components: rustfmt, clippy
      # Pinned to the commit hash of v2.2.1
    - uses: Swatinem/rust-cache@6fd3edff6979b79f87531400ad694fb7f2c84b1f
      with:
        shared-key: pr-snapshot-commented-${{ matrix.name }}
    - uses: actions-rs/cargo@v1
        # Generate new snapshots
      with:
        command: test
        args: cli_tests
    - if: matrix.name == 'linux'
      run: |
        git config user.name "github-actions[bot]"
        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
        git commit -am "test: update snapshot for ${{ matrix.name }}" || true
        git push || true
    - if: matrix.name == 'windows'
      run: |
        git config user.name "github-actions[bot]"
        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
        git commit -am "test: update snapshot for ${{ matrix.name }}"
        git push
  pr_post_comment:
    # This job only runs for pull request comments
    name: Comment after taking snapshots
    needs: [pr_snapshot]
    if: ${{ github.event.issue.pull_request && github.event.comment.body == '/snapshot' }}
    runs-on: ubuntu-latest
    steps:
    - uses: actions/github-script@v6
      with:
        script: |
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: 'Taking snapshots has been completed.'
          });