Add CommandExt trait (#146)

* Color CI output

* Improve `CommandExt`

* Add comments explaining `#[allow]`s

* Remove useless `dead_code` annotation

* Improve error messages

* Print errors when running a shell errors

* fixup! Remove useless `dead_code` annotation

src/config.rs

@@ -1,4 +1,10 @@
 #![allow(dead_code)]
+use std::collections::BTreeMap;
+use std::fs::write;
+use std::path::PathBuf;
+use std::process::Command;
+use std::{env, fs};
+
 use anyhow::Context;
 use anyhow::Result;
 use clap::{ArgEnum, Parser};
@@ -6,15 +12,12 @@ use directories::BaseDirs;
 use log::debug;
 use regex::Regex;
 use serde::Deserialize;
-use std::collections::BTreeMap;
-use std::fs::write;
-use std::path::PathBuf;
-use std::process::Command;
-use std::{env, fs};
 use strum::{EnumIter, EnumString, EnumVariantNames, IntoEnumIterator};
 use sys_info::hostname;
 use which_crate::which;
 
+use crate::command::CommandExt;
+
 use super::utils::editor;
 
 pub static EXAMPLE_CONFIG: &str = include_str!("../config.example.toml");
@@ -389,9 +392,8 @@ impl ConfigFile {
         Command::new(command)
             .args(args)
             .arg(config_path)
-            .spawn()
-            .and_then(|mut p| p.wait())?;
-        Ok(())
+            .status_checked()
+            .context("Failed to open configuration file editor")
     }
 }