trigger:
  branches:
    include:
    - '*' # Build for all branches if they have a azure-pipelines.yml file.
  tags:
    include:
    - 'v*' # Ensure that we are building for tags starting with 'v' (Official Versions)

# Build only for PRs for master branch
pr:
  autoCancel: true
  branches:
    include:
      - master
      - develop

variables:
  OFFICIAL_REPO: 'pyqtgraph/pyqtgraph'
  DEFAULT_MERGE_BRANCH: 'develop'

stages:
- stage: "pre_test"
  jobs:
  - job: check_diff_size
    pool:
      vmImage: 'Ubuntu 16.04'
    steps:
    - bash: |
        git config --global advice.detachedHead false
        mkdir ~/repo-clone && cd ~/repo-clone
        git init

        git remote add -t $(Build.SourceBranchName) origin $(Build.Repository.Uri)
        git remote add -t ${DEFAULT_MERGE_BRANCH} upstream https://github.com/${OFFICIAL_REPO}.git

        git fetch origin $(Build.SourceBranchName)
        git fetch upstream ${DEFAULT_MERGE_BRANCH}

        git checkout $(Build.SourceBranchName)
        MERGE_SIZE=`du -s . | sed -e "s/\t.*//"`
        echo -e "Merge Size ${MERGE_SIZE}"

        git checkout ${DEFAULT_MERGE_BRANCH}
        TARGET_SIZE=`du -s . | sed -e "s/\t.*//"`
        echo -e "Target Size ${TARGET_SIZE}"

        if [ "${MERGE_SIZE}" != "${TARGET_SIZE}" ]; then
          SIZE_DIFF=`expr \( ${MERGE_SIZE} - ${TARGET_SIZE} \)`;
        else
          SIZE_DIFF=0;
        fi;
        echo -e "Estimated content size difference = ${SIZE_DIFF} kB" &&
        test ${SIZE_DIFF} -lt 100;
      displayName: 'Diff Size Check'
      continueOnError: true

  - job: "style_check"
    pool:
      vmImage: "Ubuntu 16.04"
    steps:
    - task: UsePythonVersion@0
      inputs:
        versionSpec: 3.7
    - bash: |
        pip install flake8
        python setup.py style
      displayName: 'flake8 check'
      continueOnError: true

  - job: "build_wheel"
    pool:
      vmImage: 'Ubuntu 16.04'
    steps:
    - task: UsePythonVersion@0
      inputs:
        versionSpec: 3.7
    - script: |
        python -m pip install setuptools wheel
        python setup.py bdist_wheel --universal
      displayName: "Build Python Wheel"
      continueOnError: false
    - publish: dist
      artifact: wheel

- stage: "test"
  jobs:
  - template: azure-test-template.yml
    parameters:
      name: linux
      vmImage: 'Ubuntu 16.04'
  - template: azure-test-template.yml
    parameters:
      name: windows
      vmImage: 'vs2017-win2016'
  - template: azure-test-template.yml
    parameters:
      name: macOS
      vmImage: 'macOS-10.13'