# Copyright 2021-2024 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html

name: Coding style validation 

on: [pull_request]

env:
  PR_NUMBER: ${{ github.event.number }}
  GH_TOKEN: ${{ github.token }}

permissions:
  contents: read

jobs:
  check-style:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0
        path: openssl
    - name: check style for each commit 
      working-directory: openssl
      shell: bash
      run: |
        ERRORS_FOUND=0
        git fetch origin $GITHUB_BASE_REF:$GITHUB_BASE_REF
        REFSTART=$(git rev-parse $GITHUB_BASE_REF)
        REFEND=$(git rev-parse HEAD)
        echo "Checking from $REFSTART to $REFEND"
        for i in $(git log --no-merges --format=%H $REFSTART..$REFEND)
        do
          echo "::group::Style report for commit $i"
          set +e
          ./util/check-format-commit.sh $i
          if [ $? -ne 0 ]
          then
            ERRORS_FOUND=1
          fi
          set -e
          echo "::endgroup::"
        done
        SKIP_TEST=$(gh pr view $PR_NUMBER --json labels --jq '.labels[] | select(.name == "style: waived") | .name')
        if [ -z "$SKIP_TEST" ]
        then
          exit $ERRORS_FOUND
        else
          echo "PR $PR_NUMBER is marked with style: waived, waiving style check errors"
          exit 0
        fi