gcd-cli 0.0.1

gcd-cli tools for managing and using GCD. GCD stands for GitChangeDirectory, as it primary goal is to quickly change between git project folders.
Documentation 
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use clap::{App, Arg, crate_version, crate_authors};
use std::path::Path;
use std::convert::TryInto;
use indicatif::ProgressBar;
use gcd_cli::db::Database;
use gcd_cli::config::Config;
use gcd_cli::constants::*;

fn main() {
    let config = Config::new();
    let default_database_file = config.database_file();

    let matches = App::new("gcd-purge")
        .version(&crate_version!()[..])
        .author(crate_authors!())
        .about("Purge the database, removes all dead projects by checking if the folder exists.")
        .arg(
            Arg::with_name(DATABASE_FILE)
                .short("d")
                .long(DATABASE_FILE)
                .env(DATABASE_FILE)
                .value_name(DATABASE_FILE_VALUE_NAME)
                .default_value(&default_database_file)
                .help(DATABASE_FILE_HELP)
                .required(false)
                .takes_value(true),
        ).get_matches();

    let database_file = matches
        .value_of(DATABASE_FILE)
        .unwrap_or(&default_database_file)
        .to_string();

    let database = Database::new(database_file);
    let projects = database.all();
    let progress_bar = ProgressBar::new(projects.len().try_into().unwrap());
    progress_bar.println("Purging projects database");
    for project in projects {
        // check if project is existing folder
        if !Path::new(&project).exists() {
            progress_bar.set_message(&format!("purge {} from database", project));
            database.remove(project);
        }
        progress_bar.inc(1);
    }
    progress_bar.finish_with_message("done.");
}