memory.yml

name: Memory usage report

on:
  pull_request:
  
permissions:
  contents: write
  pull-requests: write

jobs:
  ci:
    name: Report memory usage
    runs-on: ubuntu-latest
    steps:
      # To get the potential changes to CI
      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive
      
      - name: Generate memory usage report (base branch)
        id: base
        uses: ./.github/actions/memory-report
        with:
          branch: ${{ github.base_ref }}
      - name: Generate memory usage report (head branch) # I.e. the PR branch
        id: head
        uses: ./.github/actions/memory-report
        with:
          branch: ${{ github.head_ref }}

      - name: Compare
        run: |
          echo "$BASE_REPORT" > base_report.txt
          echo "$HEAD_REPORT" > head_report.txt
          python3 -m pip install -r scripts/ci/reports/requirements.txt
          python3 scripts/ci/reports/parse-reports.py \
                  head_report.txt \
                  base_report.txt \
                  report
        env:
          BASE_REPORT: ${{ steps.base.outputs.report }}
          HEAD_REPORT: ${{ steps.head.outputs.report }}
      
      # This in conjunction with create-or-update-comment allows us to only
      # comment once and update it after
      - name: Find Comment
        uses: peter-evans/find-comment@v3
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: Memory usage after merging this PR
    
      - name: Create or update comment
        uses: peter-evans/create-or-update-comment@v4
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body-path: report.md
          edit-mode: replace