Uber refactor

src/macos.rs

@@ -1,8 +1,12 @@
+use super::terminal::Terminal;
 use super::utils::Check;
 use failure;
 use std::process::Command;
 
-pub fn upgrade_macos() -> Result<(), failure::Error> {
+#[must_use]
+pub fn upgrade_macos(terminal: &mut Terminal) -> Result<(), failure::Error> {
+    terminal.print_separator("App Store");
+
     Command::new("softwareupdate")
         .args(&["--install", "--all"])
         .spawn()?