create-pr-build.yml

name: Create PR Build
run-name: "PR Build: #${{ github.event.pull_request.number }} (${{ github.run_attempt }}.${{ github.run_number }}) - ${{ github.event.pull_request.title }}"

on:
  pull_request:
    branches:
      - 'main'

defaults:
  run:
    shell: bash

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

jobs:

  set-pr-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.set-pr-version.outputs.version }}
    steps:

      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get previous git tag
        id: previous-tag
        uses: WyriHaximus/github-action-get-previous-tag@v1
        with:
          fallback: 0.0.0

      - name: Get next semver from previous tag
        id: next-semvers
        uses: WyriHaximus/github-action-next-semvers@v1
        with:
          version: ${{ steps.previous-tag.outputs.tag }}

      - name: Set PR version
        id: set-pr-version
        run: |
          PR_NUMBER=${{ github.event.pull_request.number }}
          PR_ITERATION=${{ github.run_attempt }}.${{ github.run_number }}
          echo "version=$(echo ${{ steps.next-semvers.outputs.patch }}-alpha+PR.${PR_NUMBER}.${PR_ITERATION})" >> $GITHUB_OUTPUT

  build:
    needs: ['set-pr-version']
    uses: "./.github/workflows/build.yml"
    secrets: inherit
    with:
      version: ${{ needs.set-pr-version.outputs.version }}
      build-type: 'PR'

  # This job is here to have only one final step to add for "Status Checks"
  # in GitHub, instead of adding every leaf test from 'build'
  final-check:
    needs: ['build']
    if: always() && (contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled'))
    runs-on: ubuntu-latest
    steps:
      - run: exit 1