replay.yml

name: Replay

permissions:
  contents: read

on:
  workflow_call:
    inputs:
      name:
        description: 'Display name (if set, job shows only parse_mode)'
        required: false
        default: ''
        type: string
      repo_url:
        description: 'Git repository URL to clone and test against'
        required: false
        default: ''
        type: string
      commits:
        description: 'Commits to replay: number (e.g., 200), range (e.g., abc..def), or 0 for all'
        required: true
        type: string

  workflow_dispatch:
    inputs:
      repo_url:
        description: 'Git repository URL to clone and test against'
        required: true
        type: string
      commits:
        description: 'Commits to replay: number (e.g., 200), range (e.g., abc..def), or 0 for all'
        required: true
        default: '200'
        type: string

env:
  CARGO_INCREMENTAL: 0
  CARGO_TERM_COLOR: always
  CLICOLOR: 1
  CI: 1

jobs:
  replay:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        parse_mode: [unidiff, gitdiff]
    name: ${{ inputs.name && matrix.parse_mode || format('{0} ({1}, {2})', inputs.repo_url, matrix.parse_mode, inputs.commits) }}
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: ${{ inputs.repo_url && 1 || 0 }}
      - if: inputs.repo_url != ''
        env:
          REPO_URL: ${{ inputs.repo_url }}
          COMMITS: ${{ inputs.commits }}
        run: |
          set -euo pipefail
          # Guard against non-numeric values when computing --depth.
          # Range syntax (a..b) and "0" both require full history.
          if [[ "$COMMITS" == *".."* || "$COMMITS" == "0" ]]; then
            git clone "$REPO_URL" target/test-repo
          elif [[ "$COMMITS" =~ ^[0-9]+$ ]]; then
            git clone "$REPO_URL" --depth "$((COMMITS + 1))" target/test-repo
          else
            echo "invalid commits value: $COMMITS" >&2
            exit 1
          fi
      - run: rustup toolchain install stable --profile minimal
      - run: cargo test --release --test replay -F binary -- --ignored --nocapture
        env:
          DIFFY_TEST_REPO: ${{ inputs.repo_url == '' && '.' || 'target/test-repo' }}
          DIFFY_TEST_COMMITS: ${{ inputs.commits }}
          DIFFY_TEST_PARSE_MODE: ${{ matrix.parse_mode }}