name: Cache key
description: Generate cache key for ccache

inputs:
  conan_profile:
    description: Conan profile name
    required: true
  build_type:
    description: Current build type (e.g. Release, Debug)
    required: true
    default: Release
  code_coverage:
    description: Whether code coverage is on
    required: true
    default: "false"

outputs:
  key:
    description: Generated cache key for ccache
    value: ${{ steps.key_without_commit.outputs.key }}-${{ steps.git_common_ancestor.outputs.commit }}
  restore_keys:
    description: Cache restore keys for fallback
    value: ${{ steps.key_without_commit.outputs.key }}

runs:
  using: composite
  steps:
    - name: Find common commit
      id: git_common_ancestor
      uses: ./.github/actions/git-common-ancestor

    - name: Set cache key without commit
      id: key_without_commit
      shell: bash
      env:
        RUNNER_OS: ${{ runner.os }}
        BUILD_TYPE: ${{ inputs.build_type }}
        CODE_COVERAGE: ${{ inputs.code_coverage == 'true' && '-code_coverage' || '' }}
        CONAN_PROFILE: ${{ inputs.conan_profile }}
      run: |
        echo "key=clio-ccache-${RUNNER_OS}-${BUILD_TYPE}${CODE_COVERAGE}-${CONAN_PROFILE}-develop" >> "${GITHUB_OUTPUT}"