clap-verbosity-flag for log

Easily add a --verbose flag to CLIs using clap

Examples

use clap::Parser;

// ...
#[derive(Debug, Parser)]
struct Cli {
    #[clap(flatten)]
    verbose: clap_verbosity_flag::Verbosity,
}

By default, it'll only report errors.

• -q silences output
• -v show warnings
• -vv show info
• -vvv show debug
• -vvvv show trace

License

Licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.