#

require lv_list_lvs
require lv_list_lv_vgs
require array_ismember_unique

lv_get_parent_vg ()
{
    local wantlv=$1

    local i
    local thislv
    local thisvg

    lvs=(`lv_list_lvs`)
    array_ismember_unique lvs $wantlv || return 1

    lvvgs=(`lv_list_lv_vgs`)

    for ((i = 0; i < ${#lvvgs[@]}; i += 2))
    do
        thislv=${lvvgs[i]}
        thisvg=${lvvgs[i+1]}

        [[ "$thislv" ]] || return 1 # catch loops

        if [[ $thislv == $wantlv ]]
        then
            printf $thisvg
            return 0
        fi
    done

    return 1
}
# vim:syn=sh:ft=sh