diff.yml

name: Export Changed Files

on:
  push:
    branches:
      - main

jobs:
  export-changes:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Find Changed Files
        id: find_changed_files
        run: |
          CHANGED_FILES=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }})
          if [ -z "$CHANGED_FILES" ]; then
            echo "No changes detected."
            exit 0
          fi
          echo "::set-output name=changed_files::$CHANGED_FILES"

      - name: Create Directory for Changed Files
        run: mkdir changed_files

      - name: Copy Changed Files
        if: steps.find_changed_files.outputs.changed_files != ''
        run: |
          while read file; do
            cp --parents "$file" changed_files/
          done <<< "${{ steps.find_changed_files.outputs.changed_files }}"

      - name: Upload Changed Files
        if: steps.find_changed_files.outputs.changed_files != ''
        uses: actions/upload-artifact@v3
        with:
          name: changed-files
          path: changed_files/