himalaya 0.7.0

Command-line interface for email management.
Documentation 
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//! Module related to man handling.
//!
//! This module gathers all man commands.  

use anyhow::Result;
use clap::Command;
use clap_mangen::Man;
use std::{fs, path::PathBuf};

/// Generates all man pages of all subcommands in the given directory.
pub fn generate(dir: &str, cmd: Command) -> Result<()> {
    let mut buffer = Vec::new();
    let cmd_name = cmd.get_name().to_string();
    let subcmds = cmd.get_subcommands().cloned().collect::<Vec<_>>();
    Man::new(cmd).render(&mut buffer)?;
    fs::write(PathBuf::from(dir).join(format!("{}.1", cmd_name)), buffer)?;

    for subcmd in subcmds {
        let mut buffer = Vec::new();
        let subcmd_name = subcmd.get_name().to_string();
        Man::new(subcmd).render(&mut buffer)?;
        fs::write(
            PathBuf::from(dir).join(format!("{}-{}.1", cmd_name, subcmd_name)),
            buffer,
        )?;
    }

    Ok(())
}