name: Test Valgrind

# like the docker tests, but running valgrind only on *.c/*.h changes.

on:
  push:
    paths:
      - "**.c"
      - "**.h"
  pull_request:
    paths:
      - "**.c"
      - "**.h"
  workflow_dispatch:

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        docker: [
          ubuntu-20.04-focal-amd64-valgrind,
        ]
        dockerTag: [main]

    name: ${{ matrix.docker }}

    steps:
    - uses: actions/checkout@v2

    - name: Build system information
      run: python3 .github/workflows/system-info.py

    - name: Docker pull
      run: |
        docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}

    - name: Build and Run Valgrind
      run: |
        # The Pillow user in the docker container is UID 1000
        sudo chown -R 1000 $GITHUB_WORKSPACE
        docker run --name pillow_container  -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
        sudo chown -R runner $GITHUB_WORKSPACE