winure/dos-var/src/main.rs

use std::process::Command;

use pico_args::Arguments;

mod error;

const CMD: &str = "/mnt/c/Windows/System32/cmd.exe";

const FLAG_PATH: [&str; 2] = [ "-p", "--path" ];

pub fn main() {
	let mut args = Arguments::from_env();

	let convert_path = args.contains(FLAG_PATH);

	if let Ok(Some(target)) = args.subcommand() {
		let cmd = Command::new(CMD)
			.current_dir("/mnt/c/")
			.arg( format!("/C echo %{target}%") )
			.output();
		if let Ok(output) = cmd {
			if let Ok(stdout) = String::from_utf8(output.stdout) {
				//	trim output
				let stdout = stdout.trim_end_matches("\"\r\n");
				//	catch empty variable case
				if stdout == format!("%{target}%") { error::not_found(&target); }

				//	handle path flag and write
				let path = 
					if convert_path {
						stdout
						.replace("\\", "/")
						.replace("C:/", "/mnt/c/")
					} else { stdout.to_owned() };
				println!("{path}");
			}
		}
	}
}