.github/workflows/analyze.yml

# Copyright (C) 2025 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Perfetto CI
on:
  # 1. continuous
  schedule:
    # Run every 6 hours
    - cron: '0 */6 * * *'

  # 2. postsubmit
  push:
    branches:
      - main

  # 3. presubmit
  pull_request:
    types: [opened, synchronize]
    branches:
      - main
      - dev/**/*

# If a new commit is pushed, cancel previous jobs for the same PR / branch.
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

jobs:
  analyze:
    runs-on: self-hosted
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      # Fetch the upstream branch as well, so we can diff and see the list of
      # changed files.
      - name: Fetch upstream branch
        run: git fetch origin ${{ github.base_ref }} --depth=1

      - name: Check if the change is trivial (docs/infra only)
        run: |
          if !(git diff --name-only origin/${{ github.base_ref }}...HEAD | egrep -qv '^(docs|infra|tools)/'); then
          echo "TRIVIAL_CHANGE=1" >> $GITHUB_OUTPUT
          else
          echo "TRIVIAL_CHANGE=0" >> $GITHUB_OUTPUT
          fi

      - name: Check if the change is UI only (skip linux/android tests)
        run: |
          if !(git diff --name-only origin/${{ github.base_ref }}...HEAD | egrep -qv '^(ui|test/data/ui-screenshots)/'); then
          echo "UI_ONLY_CHANGE=1" >> $GITHUB_OUTPUT
          else
          echo "UI_ONLY_CHANGE=0" >> $GITHUB_OUTPUT
          fi

  linux:
    needs: analyze
    if:
      needs.analyze.outputs.UI_ONLY_CHANGE == '0' &&
      needs.analyze.outputs.TRIVIAL_CHANGE == '0'
    uses: ./.github/workflows/linux-tests.yml

  android:
    needs: analyze
    if:
      needs.analyze.outputs.UI_ONLY_CHANGE == '0' &&
      needs.analyze.outputs.TRIVIAL_CHANGE == '0'
    uses: ./.github/workflows/android-tests.yml

  ui:
    needs: analyze
    if: needs.analyze.outputs.TRIVIAL_CHANGE == '0'
    uses: ./.github/workflows/ui-tests.yml

  bazel:
    needs: analyze
    if:
      needs.analyze.outputs.UI_ONLY_CHANGE == '0' &&
      needs.analyze.outputs.TRIVIAL_CHANGE == '0'
    uses: ./.github/workflows/bazel-tests.yml

  fuzzer:
    needs: analyze
    if:
      needs.analyze.outputs.UI_ONLY_CHANGE == '0' &&
      needs.analyze.outputs.TRIVIAL_CHANGE == '0'
    uses: ./.github/workflows/fuzzer-tests.yml

  repo-checks:
    needs: analyze
    if: needs.analyze.outputs.UI_ONLY_CHANGE == '0'
    uses: ./.github/workflows/repo-checks.yml