add commitish to dirname
add commitish to dirname

DICE-UNC/contrib,DICE-UNC/contrib,seandavi/irods_contrib,seandavi/irods_contrib,irods/contrib,seandavi/irods_contrib,DICE-UNC/contrib,DICE-UNC/contrib,irods/contrib,seandavi/irods_contrib,irods/contrib,irods/contrib