name: "Copy the latest ebuild for the package as version given"
description: "Checks if the ebuild with the specified version exists and if not - copies the latest existing one over"
inputs:
  atom:
    description: "category/name package atom"
    required: true
  version:
    description: "the desired version of the ebuild"
    required: true
outputs:
  message:
    description: "space separated list of versions added"
    value: ${{ steps.copy.outputs.message }}
runs:
  using: composite
  steps:
    - id: copy
      shell: bash
      run: |
        set -euo pipefail
        ebuild_dir="./${{ inputs.atom }}"
        name=$(basename "${{ inputs.atom }}")
        want_ebuild="${ebuild_dir}/${name}-${{ inputs.version }}.ebuild"
        message=""
        if [[ -f "${want_ebuild}" ]]; then
          echo "Ebuild already exists"
        else
          existing_ebuilds=( "${ebuild_dir}"/*.ebuild )
          latest_existing_ebuild="${existing_ebuilds[-1]}"
          echo "Copying ${latest_existing_ebuild} to ${want_ebuild}"
          cp "${latest_existing_ebuild}" "${want_ebuild}"
          message="add ${{ inputs.version }}"
        fi
        echo "message=${message}" >> "${GITHUB_OUTPUT}"