name: Common issues check

on: [pull_request]

jobs:
  pre-commit:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - run: |
        git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*

    - name: Get changed files
      id: file_changes
      run: |
        export DIFF=$(git diff --name-only origin/${{ github.base_ref }} ${{ github.sha }})
        echo "Diff between ${{ github.base_ref }} and ${{ github.sha }}"
        echo "::set-output name=files::$( echo "$DIFF" | xargs echo )"

    - name: Install shfmt
      run: |
        curl -L "$(curl -s https://api.github.com/repos/mvdan/sh/releases/latest | grep -o -E -m 1 "https://.+?linux_amd64")" > shfmt \
        && chmod +x shfmt && sudo mv shfmt /usr/bin/
    # Need to success pre-commit fix push
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0
        ref: ${{ github.event.pull_request.head.sha }}

    - uses: actions/setup-python@v2
      with:
        python-version: '3.9'
    - name: Execute pre-commit
      uses: pre-commit/action@v2.0.0
      env:
        SKIP: no-commit-to-branch
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        extra_args: --color=always --show-diff-on-failure --files ${{ steps.file_changes.outputs.files }}