codeql.yml

name: CodeQL

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  schedule:
    # Re-scan weekly so newly published CodeQL queries catch issues in code
    # that hasn't changed since the last push.
    - cron: '27 4 * * 1'
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  analyze:
    name: Analyze (Java)
    runs-on: ubuntu-latest
    timeout-minutes: 45
    permissions:
      # required for actions/checkout of private repos and to upload results
      security-events: write
      actions: read
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v7

      # JDK 17 matches the build job; required to compile logback-android.
      - name: Set up JDK 17
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: '17'

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v6

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v4
        with:
          languages: java
          # Manual build: the Android Gradle plugin needs a real Gradle
          # invocation, so autobuild can't reliably trace compilation.
          build-mode: manual
          queries: security-and-quality

      # Compile the library so CodeQL can observe the bytecode. The Android SDK
      # is preinstalled on the ubuntu-latest runner (same as the build job).
      #
      # --no-daemon keeps javac in a process tree CodeQL's tracer can follow,
      # and --no-build-cache forces the compile tasks to actually run instead
      # of resolving FROM-CACHE (the project enables org.gradle.caching). Both
      # are needed or CodeQL extracts nothing and fails with "no source code
      # seen during build".
      - name: Assemble
        run: ./gradlew assembleRelease --no-daemon --no-build-cache

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v4
        with:
          category: '/language:java'