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Refactor error handling

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Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-04-22 12:59:58 +02:00
parent 9424661393
commit 0d5229be10
1 changed files with 7 additions and 6 deletions
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13
bin/core/imag-ref/src/main.rs
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@ -36,6 +36,7 @@
#[macro_use] extern crate log;
extern crate clap;
extern crate failure;
extern crate libimagstore;
#[macro_use] extern crate libimagrt;
@ -50,6 +51,8 @@ use ui::build_ui;
use std::process::exit;
use std::io::Write;
use failure::Error;
use libimagerror::trace::MapErrTrace;
use libimagerror::exit::ExitUnwrap;
use libimagrt::setup::generate_runtime_setup;
@ -106,12 +109,10 @@ fn deref(rt: &Runtime) {
}
.map_err_trace_exit_unwrap()
.to_str()
.ok_or_else(|| {
error!("Could not transform path into string!");
exit(1)
})
.map(|s| writeln!(outlock, "{}", s))
.ok(); // safe here because we exited already in the error case
.ok_or_else(|| ::libimagerror::errors::ErrorMsg::UTF8Error)
.map_err(Error::from)
.and_then(|s| writeln!(outlock, "{}", s).map_err(Error::from))
.map_err_trace_exit_unwrap();
let _ = rt.report_touched(&id).unwrap_or_exit();
},