if [ -z "$RUN_BUILD_PACKAGES_PATH" ] ; then
# error; for some reason, the path is not accessible
# to the script (e.g. permissions re-evaled after suid)
if [ -z "$RUN_BUILD_PACKAGES_PATH" ] ; then
# error; for some reason, the path is not accessible
# to the script (e.g. permissions re-evaled after suid)