=== `bchroot.py`
This file controls creation of the chroots -- the directories in which BDisk builds the actual system that is booted into.

==== chroot(_chrootdir_, _chroot_hostname_, _cmd_ = '`/root/pre-build.sh`')
This function manages mounting the mountpoints for the chroot(s) in preparation for the images of the live media. It also runs <<changing_the_build_process,the inner chroot preparation script>>. Returns `chrootdir` (same as the paramater provided).

===== chrootdir
The directory where the filesystem tree for the chroot lies. Absolute path only.

===== chroot_hostname
The hostname to use for the guest.

NOTE: This paramater may be removed in future versions.

===== cmd
The command to run inside the chroot once all the mountpoints are set up.

==== chrootUnmount(_chrootdir_)
Unmount the mounts set up in <<chroot_em_chrootdir_em_em_chroot_hostname_em_em_cmd_em_root_pre_build_sh,chroot()>>.

===== chrootdir
See <<chrootdir>>.

==== chrootTrim(_build_)
This function performs some cleanup and optimizations to the chroot(s).

===== build
A dictionary of <<code_build_code>>'s values (with some additional keys/values added). See (TODO: link to host.py's config parser).

