arm-incremental-typespec-preview.yaml

name: ARM Incremental TypeSpec (Preview)

on:
  pull_request:
    paths:
      # Always trigger on changes to WF itself
      - ".github/**"
      # Only trigger if PR includes at least one non-example RM swagger, since this is only way WF can return "true"
      # All consumers of workflow must treat "skipped" as equal to "completed false"
      - "**/resource-manager/**/*.json"
      - "!**/examples/**/*.json"

permissions:
  contents: read

jobs:
  arm-incremental-typespec-preview:
    name: ARM Incremental TypeSpec (Preview)

    runs-on: ubuntu-24.04

    steps:
      - uses: actions/checkout@v4
        with:
          # Required to detect changed files in PR
          fetch-depth: 2
          # Check only needs to view contents of changed files as a string, so can use
          # "git show" on specific files instead of cloning whole repo
          sparse-checkout: |
            .github

      # Output is "true" if PR contains only incremental changes to an existing TypeSpec RP
      - id: incremental-typespec
        name: ARM Incremental TypeSpec (Preview)
        uses: actions/github-script@v7
        with:
          result-encoding: string
          script: |
            const { default: incrementalTypeSpec } =
              await import('${{ github.workspace }}/.github/workflows/src/arm-incremental-typespec-preview.js');
            return await incrementalTypeSpec({ github, context, core });

      - name: Upload artifact with results
        uses: ./.github/actions/add-empty-artifact
        with:
          name: "incremental-typespec"
          value: ${{ steps.incremental-typespec.outputs.result }}