passwd have old piece of code with handling -r option and it will be good
finish this and propagate on other shadow tools for allow operate on other
user databases by well known tools.
+- Protect against signals. Register do_cleanups in a signal handler.
- gpasswd
- Add options --crypt-method and --sha-rounds
- Add support for -K in -D mode
- Add option to create or not the mail spool (and set the default in -D
mode)
+ - set the mask in mkdir?
- add handle -n switch in groups and id command for allow query is
group/user with specified id/gid exist - this will be very usable