prevent !0 in passwords

[GregorGk]

My password contained !0 which prevented docker from running correctly. It was interpreted by Bash.
The fix was to use inverted commas like these: '(...)!0(...)'.

[stv0g]

Hi @GregorGk thanks for your PR 🎉

However, I would vote not to merge this PR as by convention you dont see apostrophes to be used in the synopsis of commands. This synopsis/usage info of the command is not intended to be used directly.

Rather it really depends which shell do you use. Not all shells use apostrophes for quoting..

[stv0g]

@jaroslawhartman what do you think about it?

[dbaker-rh]

Came in to add an unrelated PR of my own. As this is a recent request, I support stv0g's opinion that the PR should not be merged.

The user would reasonably be expected to escape any special characters according to their local needs. Same applies for exclamation points, spaces, etc and wouldn't only be limited to the password field.