wails/.github/workflows/pr-v3.yml

name: PR Checks v3

on:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]

jobs:
  changed_files:
    name: Prevent runtime build artifact changes
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          persist-credentials: 'true'

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v45
        with:
          files: v3/internal/runtime/desktop/@wailsio/runtime/{dist,docs,types}/**

      - name: Get merge base
        id: merge-base
        if: steps.changed-files.outputs.any_changed == 'true'
        env:
          BASE_SHA: ${{github.event.pull_request.base.sha}}
          HEAD_SHA: ${{github.event.pull_request.head.sha}}
        run: |
          echo "MERGE_BASE_SHA=$(git merge-base "$BASE_SHA" "$HEAD_SHA")" >> $GITHUB_OUTPUT

      - name: Fail and report
        uses: actions/github-script@v7
        if: steps.changed-files.outputs.any_changed == 'true'
        env:
          MERGE_BASE_SHA: ${{steps.merge-base.outputs.MERGE_BASE_SHA}}
        with:
          script: |
            process.exitCode = 1
            core.error(
              'The CI pipeline will rebuild and publish the runtime automatically.\n' +
              'Please run the following command (or equivalent) in your local wails repo\n' +
              'to revert all build artifact changes, then update the PR:\n\n' +
              '    cd v3/internal/runtime/desktop/@wailsio/runtime &&\n' +
              `    git restore -s ${process.env.MERGE_BASE_SHA} -W -S -- dist docs types &&${"\n"}` +
              '    git commit -m "Revert build artifact changes"',
              { title: "Build artifact changes detected" }
            );