name: Cache Gradle build directories
description: Restore or save module build/ trees for faster CI Gradle jobs

inputs:
  save:
    description: Save cache at job end. Use false on parallel jobs that share the same cache key.
    required: false
    default: "true"

outputs:
  cache-hit:
    description: Whether build directories were restored from cache
    value: ${{ steps.cache.outputs.cache-hit }}

runs:
  using: composite
  steps:
    - uses: actions/cache@v5
      id: cache
      with:
        lookup-only: ${{ inputs.save != 'true' }}
        path: |
          app/desktop/build
          app/shared/build
          app/android/build
          utils/shared/build
          utils/android/build
        key: gradle-build-${{ runner.os }}-${{ runner.arch }}-v1-${{ hashFiles('gradle/libs.versions.toml', 'settings.gradle.kts', 'gradle.properties', 'app/desktop/build.gradle.kts', 'app/desktop/proguard-rules.pro', 'app/shared/build.gradle.kts', 'app/android/build.gradle.kts', 'utils/shared/build.gradle.kts', 'utils/android/build.gradle.kts') }}
        restore-keys: |
          gradle-build-${{ runner.os }}-${{ runner.arch }}-v1-