Following rules have been applied:
- script starts with shebang !#/bin/sh followed by blank line,
- script ends with exit 0 prepended by blank line,
- only stderr of adduser, addgroup or passwd is redirected to /dev/null,
- getent passwd/group instances has been removed,
- manual checking of file and group existence has been removed,
- `|| true` instances has been removed.
Comments and line wrapping have been preserved.
the build server will need the plugdev group for chown to succeed
udevil is an alternative to udisks:
https://ignorantguru.github.io/udevil/
Mount / unmount removable devices without being root (also mounts
ISO / nfs://, smb://, ftp://, ssh:// WebDAV URLs, and tmpfs/ramfs.
SUID bit removed & tested as in & out of the plugdev group.