Set the terminal title according to the current step

Cargo.lock

@@ -1906,6 +1906,7 @@ dependencies = [
  "toml 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]

Cargo.toml

@@ -35,6 +35,9 @@ openssl-probe = { version = "0.1.2", optional = true }
 [target.'cfg(unix)'.dependencies]
 nix = "0.14.0"
 
+[target.'cfg(windows)'.dependencies]
+winapi = { version = "0.3", features = ["wincon"] }
+
 [profile.release]
 lto = true
 

src/terminal.rs

@@ -3,9 +3,18 @@ use console::{style, Term};
 use lazy_static::lazy_static;
 use std::cmp::{max, min};
 use std::env;
+#[cfg(windows)]
+use std::ffi::OsStr;
+use std::fmt::Display;
 use std::io::{self, Write};
+#[cfg(windows)]
+use std::iter::once;
+#[cfg(windows)]
+use std::os::windows::ffi::OsStrExt;
 use std::process::Command;
 use std::sync::Mutex;
+#[cfg(windows)]
+use winapi::um::wincon::SetConsoleTitleW;
 
 lazy_static! {
     static ref TERMINAL: Mutex<Terminal> = Mutex::new(Terminal::new());
@@ -44,6 +53,7 @@ impl Terminal {
     }
 
     fn print_separator<P: AsRef<str>>(&mut self, message: P) {
+        set_title(format!("{}Topgrade - {}", self.prefix, message.as_ref()));
         let now = Local::now();
         let message = format!(
             "{}{:02}:{:02}:{:02} - {}",
@@ -117,6 +127,7 @@ impl Terminal {
             return Ok(false);
         }
 
+        set_title("Topgrade - Awaiting user");
         self.term
             .write_fmt(format_args!(
                 "\n{}",
@@ -194,3 +205,16 @@ pub fn is_dumb() -> bool {
 pub fn get_char() -> char {
     TERMINAL.lock().unwrap().get_char().unwrap()
 }
+
+#[cfg(unix)]
+pub fn set_title<T: Display>(title: T) {
+    print!("\x1b]0;{}\x07", title);
+}
+
+#[cfg(windows)]
+pub fn set_title<T: Display>(title: T) {
+    let buffer: Vec<u16> = OsStr::new(&format!("{}", title)).encode_wide().chain(once(0)).collect();
+    unsafe {
+        SetConsoleTitleW(buffer.as_ptr());
+    }
+}