ore/cli: add env_prefix configuration option #12765
Merged
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Add an
env_prefix
option to our CLI parsing module. This option willeventually come to clap itself (clap-rs/clap#3221), but for now we can
roll it ourselves using clap's reflection API.
This option will allow us to factor out common CLI options into their
own structs while still having the environment variable prefixes
determined by the root command.
Motivation
Testing
Release notes
This PR includes the following user-facing behavior changes: