% bash -O expand_aliases -c "alias hi='echo hello'; alias; shopt expand_aliases; hi"
alias hi='echo hello'
expand_aliases  on
bash: hi: command not found

#!/bin/bash
exec chrt -i 0 nice -n 19 ionice -c 3 bash -c ". ~/.config/bash/aliases; shopt -s expand_aliases; $(shell-quote "$@")"