Fix quoting / command injection#1
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Previous version was vulnerable to command injection, for example if I set my password to foo'$(id)'bar the actual command would become sudo bash hst-install.sh --password 'foo'$(id)'bar' and the actual password would become: foouid=1002(hans) gid=1002(hans) groups=1002(hans),4(adm),20(dialout),24(cdrom),25(floppy),27(sudo),29(audio),30(dip),44(video),46(plugdev),100(users),107(netdev)bar
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Previous version was vulnerable to command injection, for example if I set my password to
the actual command would become
and the actual password would become:
but with this the command becomes
and the password becomes literally