s6-overlay/builder/overlay-rootfs/usr/bin/with-contenv

#!/bin/execlineb -S0
importas -D 0 S6_KEEP_ENV S6_KEEP_ENV
ifelse { s6-test ${S6_KEEP_ENV} -eq 0 }
{
  /bin/exec -c --
  /usr/bin/justc-envdir -- /var/run/s6/container_environment
  /bin/exec --
  $@
}

$@