Print rustup version after update

src/rustup-cli/self_update.rs

@@ -55,6 +55,8 @@ pub const NEVER_SELF_UPDATE: bool = true;
 #[cfg(not(feature = "no-self-update"))]
 pub const NEVER_SELF_UPDATE: bool = false;
 
+pub const VERSION: &'static str = env!("CARGO_PKG_VERSION");
+
 // The big installation messages. These are macros because the first
 // argument of format! needs to be a literal.
 
@@ -1069,7 +1071,7 @@ pub fn update() -> Result<()> {
     }
     let setup_path = try!(prepare_update());
     if let Some(ref p) = setup_path {
-        info!("rustup updated successfully");
+        info!("rustup updated successfully to {}", VERSION);
         try!(run_update(p));
     }
 

tests/cli-self-upd.rs

@@ -456,14 +456,17 @@ fn install_doesnt_modify_path_if_passed_no_modify_path() {
 
 #[test]
 fn update_exact() {
-    update_setup(&|config, _| {
-        expect_ok(config, &["rustup-init", "-y"]);
-        expect_ok_ex(config, &["rustup", "self", "update"],
-r"",
+    let version = env!("CARGO_PKG_VERSION");
+    let expected_output = &(
 r"info: checking for self-updates
 info: downloading self-update
-info: rustup updated successfully
+info: rustup updated successfully to ".to_owned() + version + "
 ");
+
+    update_setup(&|config, _| {
+        expect_ok(config, &["rustup-init", "-y"]);
+        expect_ok_ex(config, &["rustup", "self", "update"],
+                     r"", expected_output)
     });
 }