name: "Drop ebuilds matching the condition"
description: "Checks if any ebuild for the package matches the condition and if so - removes them"
inputs:
  atom:
    description: "category/name package atom"
    required: true
  condition:
    description: "version condition used to match ebuilds to drop"
    required: true
outputs:
  message:
    description: "space-separated list of removed ebuild versions"
runs:
  using: docker
  image: Dockerfile
  args:
    - -c
    - |
      set -euo pipefail
      condition_atom=$(echo "${{inputs.condition}}" | sed -r 's:^(<|>)=?:\0${{inputs.atom}}-:')
      existing_ebuilds=( "./${{inputs.atom}}"/*.ebuild )
      category=$(dirname "${{inputs.atom}}")
      message=""
      for ebuild in ${existing_ebuilds[@]}; do
        p="=${category}/$(basename "${ebuild%.*}")"
        echo "Checking ${p} vs ${condition_atom}"
        if qatom -qc "${p}" "${condition_atom}" | grep -cq '=='; then
          echo "Removing ${ebuild}"
          rm -f "${ebuild}"
          if [[ -z "${message}" ]]; then
            message="drop"
          fi
          message="${message} `qatom -F '%{PV}' "${p}"`"
        fi;
      done;
      echo "message=${message}" >> "${GITHUB_OUTPUT}"