How-to guides¶

Each page solves one problem and assumes you already have a crate depending on rtb-app. If you are starting from nothing, do Write your first command first.

I want to…	Page
Add a subcommand and have the framework find it	Register a command
Make my tool report its own version, not the framework's	Report your tool's own version
Read my tool's typed configuration inside a command	Read your tool's typed configuration
Build an `App` in a unit or integration test	Build an App in a test
Compile a regex that a user supplied	Compile a pattern that came from a user
Run something before every command	Run a check before every command
Make `credentials list` show my tool's credentials	List your tool's credentials
Let my tool update itself from its releases	Point your tool at its releases