himalaya 1.0.0-beta

CLI to manage emails
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use anyhow::Result;
use clap::{value_parser, CommandFactory, Parser};
use clap_complete::Shell;
use log::info;
use std::io;

use crate::{cli::Cli, printer::Printer};

/// Print completion script for a shell to stdout.
///
/// This command allows you to generate completion script for a given
/// shell. The script is printed to the standard output. If you want
/// to write it to a file, just use unix redirection.
#[derive(Debug, Parser)]
pub struct CompletionGenerateCommand {
    /// Shell for which completion script should be generated for.
    #[arg(value_parser = value_parser!(Shell))]
    pub shell: Shell,
}

impl CompletionGenerateCommand {
    pub async fn execute(self, printer: &mut impl Printer) -> Result<()> {
        info!("executing completion generate command");

        let mut cmd = Cli::command();
        let name = cmd.get_name().to_string();
        clap_complete::generate(self.shell, &mut cmd, name, &mut io::stdout());

        printer.print(format!(
            "Shell script successfully generated for shell {}!",
            self.shell
        ))?;

        Ok(())
    }
}