name: Changelog

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  workflow_dispatch:

env:
  CARGO_UNSTABLE_SPARSE_REGISTRY: true
  CARGO_TERM_COLOR: always

jobs:
  check-changelogs:
    name: Check changelogs
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0  # 需要完整提交历史来比较差异

      - name: Get changed files
        run: |
          # 获取基准和当前提交的差异文件列表
          git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} > changed_files.txt

      - name: Validate changes
        run: |
          # 需要检查的目录数组
          directories=(
            "library/sbi-rt"
            "library/sbi-spec" 
            "library/sbi-testing" 
            "library/rustsbi"
            "library/macros"
          )

          exit_code=0
          while IFS= read -r file; do
            for dir in "${directories[@]}"; do
              # 检查文件是否属于当前目录
              if [[ "$file" == "$dir/"* ]]; then
                # 检查对应的CHANGELOG是否被修改
                if ! grep -q "^$dir/CHANGELOG.md" changed_files.txt; then
                  echo "::error file=$dir/CHANGELOG.md::Detected changes in $dir but the corresponding CHANGELOG.md was not updated"
                  exit_code=1
                else
                  echo "CHANGELOG.md updated for $dir file changes."
                fi
                break  # 已匹配目录，跳出内层循环
              fi
            done
          done < changed_files.txt

          exit $exit_code