reference-python-plugins/.github/workflows/pr-build.yml at dev · Bespok3d/reference-python-plugins · GitHub

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# SPDX-FileCopyrightText: Copyright (C) 2026 unlucio and the Bespok3d contributors
# SPDX-License-Identifier: AGPL-3.0-or-later
name: pr-build

# Build, test, pack, and index every plugin in this repo WITHOUT publishing, so a pull request or a
# branch push gets a downloadable preview of exactly what would ship. Same pipeline as release, driven
# by the one reusable Bespok3d build Action (b3-builder) with publish: 'false': it still builds the bake
# payloads, packs the .b3 set, assembles the sub-list index, and runs each plugin's tests, but cuts no
# GitHub release and registers nothing in the main index. The produced .b3 (plus atoms and the assembled
# index.json) upload as a run artifact, downloadable from the PR's Checks tab and the Actions run page.
# Publishing stays main-only, in release.yml.
on:
  pull_request:
  push:
    branches-ignore: [main]
    paths:
      - '*/manifest.json'
      - '*/files/**'
      - '*/doc/**'
      - '*/src/**'
      - '*/toolchain/**'
      - '*/tests/**'
      - .github/workflows/pr-build.yml

# A branch push and the pull_request for the same head would otherwise build twice; collapse them into
# one run per head branch and cancel a superseded build when a newer commit lands.
concurrency:
  group: pr-build-${{ github.event.pull_request.head.ref || github.ref }}
  cancel-in-progress: true

jobs:
  pr-build:
    runs-on: ubuntu-latest
    permissions:
      contents: read  # checkout only: no release, no index commit, no comment (see pr-build-comment.yml)
    steps:
      - uses: actions/checkout@v4

      - uses: Bespok3d/b3-builder@5abdeb52902b6096c59134afcf52a479e6588e71  # main @ 2026-08-06
        with:
          unit: repo
          bake: 'true'
          publish: 'false'
          atom-repo: ${{ github.repository }}
          list-name: 'Reference Python Plugins'
          list-publisher: 'PLACEHOLDER'
          list-ref-name: 'Reference Python Plugins'

      - uses: actions/upload-artifact@v4
        with:
          name: b3-packages-${{ github.event.repository.name }}
          path: |
            dist/*.b3
            dist/*.atom.json
            dist/index.json
          if-no-files-found: error

      # A pull request FROM A FORK gets a read-only token whatever this workflow asks for, so this job
      # cannot post the comment that links the build: the attempt fails and the contributor sees a red
      # check on a build that passed. It records the pull request number instead, and
      # pr-build-comment.yml posts the link from this repo, where the token can write. The number has
      # to travel as an artifact: a workflow_run started by a fork's pull request carries an empty
      # pull_requests list, so a follow-up run has no other way to learn which pull request it was.
      - name: record the PR number for the comment workflow
        if: github.event_name == 'pull_request'
        env:
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: printf '%s' "$PR_NUMBER" > "$RUNNER_TEMP/pr-number.txt"

      - uses: actions/upload-artifact@v4
        if: github.event_name == 'pull_request'
        with:
          name: pr-number
          path: ${{ runner.temp }}/pr-number.txt
          if-no-files-found: error