Function nix::unistd::chown
pub fn chown<P: ?Sized + NixPath>(path: &P, owner: Option<Uid>, group: Option<Gid>) -> Result<()>Documentation
Change the ownership of the file at path to be owned by the specified
owner (user) and group (see
chown(2)).
The owner/group for the provided path name will not be modified if None is
provided for that argument. Ownership change will be attempted for the path
only if Some owner/group is provided.