make bootstrap required and explicit: callers must pass bootstrap=<root_bytes> or bootstrap=None.
also tighten docs, examples, and tests to reflect the explicit trust anchor choice.
Signed-off-by: 1seal <security@1seal.org>
* Remove exectuable flag from a couple of files
* Half of the test files have a shebang (but are
still not executable): remove the shebang
Signed-off-by: Jussi Kukkonen <jkukkonen@google.com>
This test covers `targetinfo`, `target_path`, `target_base_url`,
`metadata_dir` and `filepath` input validation of the `Updater`
methods
Signed-off-by: Ivana Atanasova <iyovcheva@vmware.com>
