sycl_detect_changes.yml

name: Identify changed files

on:
  workflow_call:
    outputs:
      filters:
        description: Matched filters
        value: ${{ jobs.need_check.outputs.filters }}

jobs:
  need_check:
    name: Decide which tests could be affected by the changes
    # Github's ubuntu-* runners are slow to allocate. Use our CUDA runner since
    # we don't use it for anything right now.
    runs-on: [Linux, build]
    timeout-minutes: 3
    outputs:
      filters: ${{ steps.result.outputs.result }}
    steps:
      - name: Check file changes
        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50
        id: changes
        with:
          filters: |
            llvm: &llvm
              - 'llvm/**'
            llvm_spirv: &llvm_spirv
              - *llvm
              - 'llvm-spirv/**'
            clang: &clang
              - *llvm
              - 'clang/**'
            sycl_fusion: &sycl-fusion
              - *llvm
              - 'sycl-fusion/**'
            xptifw: &xptifw
              - 'xptifw/**'
            libclc: &libclc
              - *llvm_spirv
              - *clang
              - 'libclc/**'
            sycl: &sycl
              - *clang
              - *sycl-fusion
              - *llvm_spirv
              - *xptifw
              - *libclc
              - 'sycl/*'
              - 'sycl/!(test-e2e|doc)/**'
            ci:
              - .github/workflows/**
              # devops/* contains config files, including drivers versions.
              # Allow them to be tested in pre-commit.
              - devops/*/**
            drivers:
              - devops/dependencies.json
              - devops/scripts/install_drivers.sh

      - name: Set output
        id: result
        uses: actions/github-script@v6
        with:
          script: |
            console.log("Number of files changed:");
            console.log(context.payload.pull_request.changed_files);
            if (context.payload.pull_request.changed_files < 500) {
              return '${{ steps.changes.outputs.changes }}';
            }
            // Treat everything as changed for huge PRs.
            return ["llvm", "llvm_spirv", "clang", "sycl_fusion", "xptifw", "libclc", "sycl", "ci"];

      - run: echo '${{ steps.result.outputs.result }}'