39 lines
1.0 KiB
Markdown
39 lines
1.0 KiB
Markdown
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For more on creating a custom subcommand, see [the cargo
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book](https://doc.rust-lang.org/cargo/reference/external-tools.html#custom-subcommands).
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The crate [`clap-cargo`](https://github.com/crate-ci/clap-cargo) can help in
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mimicking cargo's interface.
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The help looks like:
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```console
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$ cargo-example-derive --help
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Usage: cargo <COMMAND>
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Commands:
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example-derive A simple to use, efficient, and full-featured Command Line Argument Parser
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help Print this message or the help of the given subcommand(s)
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Options:
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-h, --help Print help
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$ cargo-example-derive example-derive --help
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A simple to use, efficient, and full-featured Command Line Argument Parser
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Usage: cargo example-derive [OPTIONS]
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Options:
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--manifest-path <MANIFEST_PATH>
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-h, --help Print help
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-V, --version Print version
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```
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Then to directly invoke the command, run:
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```console
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$ cargo-example-derive example-derive
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None
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$ cargo-example-derive example-derive --manifest-path Cargo.toml
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Some("Cargo.toml")
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```
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