diff.yml

# Diff assets comment with "!diff"

name: Diff Assets

on:
  pull_request_review_comment:
    types: [created]
  issue_comment:
    types: [created]

jobs:
  get-runner-labels:
    name: Get Runner Labels
    uses: ./.github/workflows/get-runner-labels.yml

  build:
    name: Build
    needs: [get-runner-labels]
    if: (github.event_name == 'issue_comment' || github.event_name == 'pull_request_review_comment') && contains(github.event.comment.body, '!diff')
    strategy:
      matrix:
        array:
          - target: x86_64-unknown-linux-gnu # For Cloud IDE
            runner: ${{ needs.get-runner-labels.outputs.LINUX_RUNNER_LABELS }}
    uses: ./.github/workflows/reusable-build.yml
    with:
      profile: "debug"
      ref: refs/pull/${{ github.event.issue.number || github.event.pull_request.number }}/merge
      target: ${{ matrix.array.target }}
      runner: ${{ matrix.array.runner }}
      test: false

  diff:
    name: Diff Assets
    needs: [build, get-runner-labels]
    runs-on: ${{ fromJSON(needs.get-runner-labels.outputs.LINUX_RUNNER_LABELS) }}
    steps:
      - name: Checkout Branch
        uses: actions/checkout@v4
        with:
          fetch-depth: 1
          ref: refs/pull/${{ github.event.issue.number || github.event.pull_request.number }}/merge

      - name: Pnpm Cache
        uses: ./.github/actions/pnpm-cache

      - name: Download bindings
        uses: ./.github/actions/download-artifact
        with:
          name: bindings-x86_64-unknown-linux-gnu
          path: crates/node_binding/
          try-local-cache: true
          link-when-local: true

      - name: Build node packages
        run: pnpm run build:js

      - name: Run Diff
        run: node scripts/diff.cjs

      - name: Upload Report
        shell: bash
        env:
          API_TOKEN_GITHUB: ${{ secrets.RSPACK_REPORT_ACCESS_TOKEN }}
        run: |
          cache_dir="$HOME/.cache/diff_upload"
          clone_dir="$cache_dir/${{ github.run_id }}"

          # Cleaning history upload cache
          if [ -d $cache_dir ]
          then
            find $cache_dir -type d -maxdepth 1 -mindepth 1 -cmin +180 | xargs rm -rf
          fi

          # Cloning into dest directory
          mkdir -p $clone_dir
          git config --global user.email "lingyucoder@gmail.com"
          git config --global user.name "LingyuCoder"
          git clone --single-branch --branch main "https://x-access-token:$API_TOKEN_GITHUB@github.com/web-infra-dev/rspack-report-website.git" $clone_dir
          
          # Copying content into dest repo
          dest_dir="$clone_dir/diff/${{ github.run_id }}"
          cp -R diff_output/. $dest_dir

          # Committing and pushing
          cd $clone_dir

          current_time=$(date +%s)
          gap=$((30 * 24 * 60 * 60))
          for cur_dir in ./diff/* ; do
            create_time=$(git log --follow --format="%at" --date default $cur_dir | tail -1)
            diff=$(($current_time - $create_time))
            if [ $diff -gt $gap ]; then
              echo "Remove $cur_dir because it is older than a month"
              rm -rf $cur_dir 
            fi
          done

          commit_message="Update from https://github.com/web-infra-dev/rspack/commit/${{ github.sha }}"
          git add .
          if LC_ALL=C git status | grep -q "Changes to be committed"
          then
            git commit --message "$commit_message"
            git push -u origin HEAD:main
          else
            echo "No changes detected"
          fi

          # Cleaning upload cache
          if [ -d $clone_dir ]
          then
            rm -rf $clone_dir
          fi
      
      - name: Write a new comment
        uses: peter-evans/create-or-update-comment@v4
        continue-on-error: true
        with:
          issue-number: ${{ github.event.issue.number || github.event.pull_request.number }}
          body-path: 'diff_output/stats.md'