update_and_convert_schemas.yaml

name: Validate and update schemas

on:
  pull_request:
    types: [opened, synchronize, reopened]
    branches: ["*"]

jobs:
  process-changed-files:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0  # OR "2" -> To retrieve the preceding commit.
        ref: ${{ github.head_ref }}

    # This part might need revision.  This avoids the extra merge commit.
    - name: Fetch updates from the target branch
      run: |
        git config --global user.name 'GitHub Actions'
        git config --global user.email 'actions@github.com'
        git fetch origin ${{ github.event.pull_request.base.ref }}
        git rebase origin/${{ github.event.pull_request.base.ref }}

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'

    - name: Determine if branch is main
      run: |
        if [ "${{ github.base_ref }}" = "main" ]; then
          echo "SINCE_LAST_REMOTE_COMMIT=false" >> $GITHUB_ENV
        else
          echo "SINCE_LAST_REMOTE_COMMIT=true" >> $GITHUB_ENV
        fi

    - name: Get changed files
      id: changed-files
      uses: tj-actions/changed-files@v41
      with:
        since_last_remote_commit: ${{ env.SINCE_LAST_REMOTE_COMMIT }}

    - name: List all changed files
      env:
        ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
      run: |
        for file in "$ALL_CHANGED_FILES"; do
          echo "$file was changed"
        done

    - name: Install dependencies
      run: pip install git+https://github.com/hed-standard/hed-python.git@develop

    - name: Update schemas
      env:
        ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
      run: |
        SOURCE_BRANCH="${{ github.head_ref }}"
        TARGET_BRANCH="${{ github.base_ref }}"
        echo "Source Branch: $SOURCE_BRANCH"
        echo "Target Branch: $TARGET_BRANCH"
        if  [ "$SOURCE_BRANCH" = "develop" ] && [ "$TARGET_BRANCH" = "main" ]; then
          echo "Error: Source branch 'develop' is not allowed for this operation."
          exit 1
        elif [ "$TARGET_BRANCH" = "main" ]; then
          hed_update_schemas $ALL_CHANGED_FILES --set-ids
        else
          hed_update_schemas $ALL_CHANGED_FILES
        fi

    - name: Check for changes
      id: check-changes
      run: |
        if ! git diff --quiet || ! git diff --cached --quiet || git ls-files --others --exclude-standard | grep -q .; then
          echo "changes_exist=true" >> $GITHUB_ENV
        else
          echo "changes_exist=false" >> $GITHUB_ENV
        fi

    - name: Commit and push changes
      if: env.changes_exist == 'true'
      run: |
        git add .
        git commit -m "Automatic file updates"
        git push --force-with-lease origin HEAD:refs/heads/${{ github.head_ref }}