Generate the subcommands usage reference automatically.

This commit is contained in:
Bauke 2022-11-06 18:44:23 +01:00
parent a4d0431a32
commit 5bb3a282c3
Signed by: Bauke
GPG Key ID: C1C0F29952BCF558
4 changed files with 83 additions and 0 deletions

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@ -0,0 +1,51 @@
//! The `cli-reference` subcommand, only available in debug mode.
use std::{fs::write, process::Command, str};
use {
color_eyre::Result,
hooked_config::Config,
tera::{Context, Tera},
};
use crate::cli::CliReferenceArgs;
const REFERENCE_TEMPLATE: &str = include_str!("../templates/cli-reference.txt");
/// The `cli-reference` subcommand.
pub fn hooked_cli_reference(
_config: Config,
args: CliReferenceArgs,
) -> Result<()> {
let out_path = if args.output.is_dir() {
args.output.join("cli-reference.txt")
} else {
args.output
};
let commands = {
let mut commands = vec![];
let commands_to_document = &["install", "run", "uninstall"];
for command_name in commands_to_document {
let output = Command::new("cargo")
.env("NO_COLOR", "1")
.args(&["run", "-q", "--", command_name, "--help"])
.output()
.unwrap();
let usage = str::from_utf8(&output.stdout).unwrap().trim().to_string();
commands.push((command_name.to_string(), usage))
}
commands
};
let mut context = Context::new();
context.insert("commands", &commands);
write(
&out_path,
Tera::one_off(REFERENCE_TEMPLATE, &context, false)?,
)?;
Ok(())
}

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@ -4,10 +4,14 @@ use std::path::PathBuf;
use clap::{Args as Arguments, Parser, Subcommand};
#[cfg(debug_assertions)]
mod cli_reference;
mod install;
mod run;
mod uninstall;
#[cfg(debug_assertions)]
pub use cli_reference::hooked_cli_reference;
pub use install::hooked_install;
pub use run::hooked_run;
pub use uninstall::hooked_uninstall;
@ -37,6 +41,10 @@ pub enum MainSubcommands {
/// Manually run hooks.
Run(RunArgs),
#[cfg(debug_assertions)]
/// Generate the CLI reference file for the mdBook.
CliReference(CliReferenceArgs),
}
/// The `install` subcommand arguments.
@ -62,3 +70,11 @@ pub struct RunArgs {
#[clap(value_parser = crate::HOOK_TYPES)]
pub hook_type: String,
}
/// The `cli-reference` subcommand arguments.
#[derive(Debug, Arguments)]
pub struct CliReferenceArgs {
/// Path where the CLI reference file should be generated.
#[clap(short, long, default_value = "hooked-book/source/")]
pub output: PathBuf,
}

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@ -40,6 +40,11 @@ fn main() -> Result<()> {
MainSubcommands::Run(sub_args) => {
cli::hooked_run(config, sub_args.hook_type)?;
}
#[cfg(debug_assertions)]
MainSubcommands::CliReference(sub_args) => {
cli::hooked_cli_reference(config, sub_args)?;
}
}
Ok(())

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@ -0,0 +1,11 @@
This file is automatically generated using the cli-reference subcommand.
Use `cargo run -- cli-reference` to generate it.
{% for command in commands %}
{%- set name = command.0 -%}
{%- set usage = command.1 -%}
// ANCHOR: {{ name }}
$ hooked {{ name }} --help
{{ usage }}
// ANCHOR_END: {{ name }}
{% endfor %}