cargo-mend 0.2.0

Opinionated visibility auditing for Rust crates and workspaces
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use std::path::PathBuf;

use clap::Args;
use clap::CommandFactory;
use clap::FromArgMatches;
use clap::Parser;

#[derive(Parser, Debug)]
#[command(name = "mend")]
#[command(about = "Audit Rust visibility patterns against a stricter house style")]
pub struct Cli {
    #[arg(long)]
    pub manifest_path: Option<PathBuf>,

    #[arg(long)]
    pub config: Option<PathBuf>,

    #[arg(long)]
    pub json: bool,

    #[arg(long)]
    pub fail_on_warn: bool,

    #[command(flatten)]
    pub fix: FixCli,
}

pub fn parse(after_help: &str) -> Cli {
    let matches = Cli::command()
        .after_long_help(after_help.to_string())
        .get_matches_from(normalized_args());
    Cli::from_arg_matches(&matches).unwrap_or_else(|e| e.exit())
}

#[derive(Args, Debug)]
pub struct FixCli {
    #[arg(long)]
    pub fix: bool,

    #[arg(long)]
    pub fix_pub_use: bool,

    #[arg(long)]
    pub dry_run: bool,
}

fn normalized_args() -> Vec<std::ffi::OsString> {
    let mut args: Vec<_> = std::env::args_os().collect();
    if args.get(1).is_some_and(|arg| arg == "mend") {
        args.remove(1);
    }
    args
}