Gentoo, оверлей для crossdev

parse_repo_config() {
        # Ugh, ini parser here we come.
        # [DEFAULT]
        # main-repo = gentoo
        # [crossdev]
        # location = /usr/local/portage
        # masters = gentoo
        # priority = 0
        local repo_config=$(portageq repositories_configuration "${ROOT}")
        local flat_config=$(echo "${repo_config}" | gawk '
                {
                        if ($1 == "main-repo") {
                                main_repo = $NF
                        } else if ($1 ~ /^\[/) {
                                if (repo_name && loc)
                                        repos[prio] = repo_name ":" loc
                                repo_name = gensub(/\[([^\]]*)\]/, "\\1", "", $1)
                                loc = prio = ""
                        } else if ($1 == "priority") {
                                prio = $3
                        } else if ($1 == "location") {
                                loc = $3
                        }
                }
                END {
                        repos[prio] = repo_name ":" loc

                        print(main_repo)
                        asorti(repos, prios)
                        for (prio in prios)
                                print(repos[prios[prio]])
                }
        ')

        MAIN_REPO_NAME=$(echo "${flat_config}" | head -1)
        REPO_CONFIG=$(echo "${flat_config}" | sed 1d)
        MAIN_REPO_PATH=$(echo "${REPO_CONFIG}" | sed -n "/^${MAIN_REPO_NAME}:/s,^[^:]*:,,p")
        if [[ -z ${SEARCH_OVERLAYS} ]] ; then
                # see if user gave us an overlay search list, otherwise
                # default to whatever is configured in portage
                SEARCH_OVERLAYS=$(echo "${REPO_CONFIG}" | sed -e "/^${MAIN_REPO_NAME}:/d" -e 's,^[^:]*:,,')
        fi
}