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name: CI - CPP build on CentOS 7
on:
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/**'
      - 'pulsar-client-cpp/**'
  push:
    branches:
      - branch-*
    paths:
      - '.github/workflows/**'
      - 'pulsar-client-cpp/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:

  cpp-build-centos7:
    name:
    runs-on: ubuntu-latest
    timeout-minutes: 120

    steps:
      - name: checkout
        uses: actions/checkout@v2

      - name: Tune Runner VM
        uses: ./.github/actions/tune-runner-vm

      - name: Detect changed files
        id:   changes
        uses: apache/pulsar-test-infra/paths-filter@master
        with:
          filters: .github/changes-filter.yaml
          list-files: csv

      - name: Check changed files
        id: check_changes
        run: echo "::set-output name=docs_only::${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.docs_count) && fromJSON(steps.changes.outputs.docs_count) > 0 }}"

      - name: build cpp client on centos 7
        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
        run: |
          echo "Build C++ client library on CentOS 7"
          pulsar-client-cpp/docker-build-centos7.sh