lich 0.1.0

Minimal password management.
Documentation 
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use clap;
use common::*;
use std::fs::OpenOptions;
use std::path::PathBuf;

pub fn run(path: PathBuf, place: &str) -> Result<(), clap::Error> {
    let mut file = OpenOptions::new()
        .read(true)
        .write(true)
        .open(&path)
        .map_err(|e| read_error(&path, e))?;

    let mut data = decode(&file, &path)?;

    let modified = unlock(&mut data, |mut unlocked| {
        unlocked.delete(place)
    });

    if modified {
        save(&mut file, &path, &data)?;
        println!("Deleted entry for {}.", place);
        Ok(())
    } else {
        Err(error("entry not found"))
    }
}