pr_validation.yml

name: PR Validation

on:
  workflow_dispatch:
  pull_request: 
    branches: [trunk]
    types: [opened, ready_for_review]

env:
  LDMX_DOCKER_TAG: ldmx/dev:latest
  LDMX_NUM_EVENTS: 10000

jobs:
  compile-ldmx-sw:
    runs-on: ubuntu-latest
    outputs:
      job_matrix: ${{steps.gen-mat.outputs.job_matrix}}
    steps:
    - name: Checkout ldmx-sw
      uses: actions/checkout@v4
      with:
        submodules: 'recursive'
        fetch-depth: 0

    - name: Compile and Install ldmx-sw
      uses: ./.github/actions/setup

    - name: Git Gold Histograms from trunk
      run: git checkout origin/trunk -- .github/validation_samples/*/gold.root .github/actions/validate/gold_label
      shell: bash

    - name: Package ldmx-sw Into Artifact
      run: tar cf ldmx-sw-package.tar install/ .github/

    - name: Upload ldmx-sw Package
      uses: actions/upload-artifact@v4
      with:
        name: ldmx-sw-build-${{ github.sha }}
        path: ldmx-sw-package.tar

    - name: Generate Job Matrix
      id: gen-mat
      uses: ./.github/actions/generate-matrix

  validation:
    needs: compile-ldmx-sw
    runs-on: ubuntu-latest
    env:
      LDMX_RUN_NUMBER: ${{matrix.run}}
    strategy:
      matrix: ${{fromJson(needs.compile-ldmx-sw.outputs.job_matrix)}}
      fail-fast: false
    steps:
    - name: Download ldmx-sw Package
      uses: actions/download-artifact@v4
      with:
        name: ldmx-sw-build-${{ github.sha }}

    - name: Unpack ldmx-sw Build
      run: |
        cd ${GITHUB_WORKSPACE}
        tar xf ldmx-sw-package.tar

    - name: Run Validation
      id: validation
      uses: ./.github/actions/validate
      with:
        sample: ${{matrix.sample}}

    - name: Upload Validation Plots
      uses: actions/upload-artifact@v4
      with:
        name: ${{matrix.sample}}-pr-validation
        path: ${{ steps.validation.outputs.plots }}

    - name: Did any validation plots fail?
      uses: ./.github/actions/check
      with:
        plots: ${{ steps.validation.outputs.plots }}