9e400a8b93
Things will get quite broken if an /etc/passwd entry contains a colon (which terminates a field), or a newline (which terminates a record). I know because I just accidentally made a user whose home directory path contained a newline! So let's make sure that can't happen.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.