verify-push.yaml

name: verify-push

on:
  push:
    branches-ignore:
      - 'master' # no need to run after merging to master
    tags-ignore:
      - '*' # do not run on pushing tags (see deploy-on-release-created)
  pull_request:

jobs:
  build:
    # run if push or pull_requests from fork
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository

    runs-on: ubuntu-latest
    timeout-minutes: 45

    strategy:
      fail-fast: false
      matrix:
        module:
          - matsim
          # sorted from longest to shortest (to minimise the overall test stage duration)
          # (used in travis; not respected in GitHub Action workflows)
          - contribs/vsp
          - contribs/common
          - contribs/taxi
          - contribs/minibus
          - contribs/signals
          - contribs/bicycle
          - contribs/cadytsIntegration
          - contribs/drt
          - contribs/drt-extensions
          - contribs/discrete_mode_choice
          - contribs/carsharing
          - contribs/commercialTrafficApplications
          - contribs/av
          - contribs/locationchoice
          - contribs/ev
          - contribs/dvrp
          - contribs/emissions
          - contribs/decongestion
          - contribs/noise
          - contribs/accidents
          - contribs/freight
          - contribs/freightreceiver
          - contribs/parking
          - contribs/matrixbasedptrouter
          - contribs/accessibility
          - contribs/integration
          - contribs/multimodal
          - contribs/protobuf
          - contribs/shared_mobility
          - contribs/socnetsim
          - contribs/sumo
          - contribs/pseudosimulation
          - contribs/railsim
          - contribs/roadpricing
          - contribs/analysis
          - contribs/hybridsim
          - contribs/informed-mode-choice
          - contribs/otfvis
          - contribs/osm
          - contribs/application
          - contribs/simwrapper
          - contribs/sbb-extensions
          - contribs/simulatedannealing
          - contribs/small-scale-traffic-generation
          - benchmark

    steps:
      - name: Checkout git repo
        uses: actions/checkout@v4

      - name: Detect changes against master
        # we only want to build matsim (module) if changes are not limited to contribs
        id: detect-changes
        uses: dorny/paths-filter@v3
        if: ${{matrix.module == 'matsim'}}
        with:
          filters: |
            outside-contribs:
              - '!contribs/**'

      - name: Setup Java
        if: ${{matrix.module != 'matsim' || steps.detect-changes.outputs.outside-contribs == 'true'}}
        uses: actions/setup-java@v4
        with:
          java-version: 21
          distribution: 'zulu'
          cache: 'maven'

      - name: Build module (with dependencies)
        if: ${{matrix.module != 'matsim' || steps.detect-changes.outputs.outside-contribs == 'true'}}
        run: mvn install --batch-mode --also-make --projects ${{matrix.module}} -DskipTests -Dsource.skip

      - name: Test module
        if: ${{matrix.module != 'matsim' || steps.detect-changes.outputs.outside-contribs == 'true'}}
        run: mvn verify --batch-mode -Dmaven.test.redirectTestOutputToFile -Dmatsim.preferLocalDtds=true --fail-at-end -Dsource.skip
        working-directory: ${{matrix.module}}

    env:
      MAVEN_OPTS: -Xmx2g

  verify-all-jobs-successful:
    # always() - to ensure this job is executed (regardless of the status of the previous job)
    # run if push or pull_requests from fork
    if: always() && (github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository)
    needs: build
    runs-on: ubuntu-latest

    # When running this workflow for internal PRs "verify-all-jobs-successful" is marked as skipped,
    # which GitHub takes as a green flag and will allow merging before "verify-all-jobs-successful"
    # is completed for the push event.
    # One way to avoid this is to create a job from a matrix on the fly. They will be created for
    # push events and PR events from forks (but not for PR events coming from internal forks),
    # so we can safely add a check "verify-all-jobs-successful (push-or-external-PR)"
    strategy:
      matrix:
        name: [ "push-or-external-PR" ]

    steps:
      - name: check if the whole job matrix is successful
        if: needs.build.result != 'success'
        run: exit 1 # fail if "build" was not successful