into a separate package pkgtools/bootstrap-extras. Teach the bootstrap
script to look for those scripts from the bootstrap-extras package.
* When registering the installed software, set WRKOBJDIR to the bootstrap
work directory to protect against a read-only pkgsrc tree.
the bootstrap process and which may be needed by pkg_install. This
is distinct from the net/tnftp package that is now a "normal" package.
Modify the bootstrap script to use pkgtools/tnftp instead, and clean up
some of the registration code.