Merge branch 'show-command' into pu

* branch show-command:
  t3001: use '--show' to get the instruction sheet
  Add '--show' to print the instruction sheet
  Only apply auto-rebuild if something has changed
Merge branch 'autocontinue-feature' into pu

* branch autocontinue-feature:
  Add --autocontinue option
  Reset IFS to default in finalize_command