| extern crate libmount; |
| extern crate argparse; |
| extern crate env_logger; |
| #[macro_use] extern crate log; |
| |
| use std::path::PathBuf; |
| use std::process::exit; |
| |
| use argparse::{ArgumentParser, Parse, Collect}; |
| |
| |
| fn main() { |
| env_logger::init(); |
| let mut lowerdirs = Vec::<String>::new(); |
| let mut target = PathBuf::new(); |
| { |
| let mut ap = ArgumentParser::new(); |
| ap.set_description("Overlayfs mount utility. |
| Similar to `mount -t overlay`"); |
| ap.refer(&mut target) |
| .add_argument("target", Parse, |
| "The destination directory for mount").required(); |
| ap.refer(&mut lowerdirs).add_argument("lowerdir", Collect, |
| "The source layers of the overlay").required(); |
| ap.parse_args_or_exit(); |
| } |
| match libmount::Overlay::readonly(lowerdirs.iter().map(|x| x.as_ref()), |
| target) |
| .mount() |
| { |
| Ok(()) => {} |
| Err(e) => { |
| error!("{}", e); |
| exit(1); |
| } |
| } |
| } |