Merge pull request #2909 from hi-rustin/rustin-patch-source

Add quotes for source command

Author: kinnison

src/cli/self_update.rs

@@ -209,15 +209,15 @@ but will not be added automatically."
 #[cfg(not(windows))]
 macro_rules! post_install_msg_unix {
     () => {
-        r"# Rust is installed now. Great!
+        r#"# Rust is installed now. Great!
 
 To get started you may need to restart your current shell.
 This would reload your `PATH` environment variable to include
 Cargo's bin directory ({cargo_home}/bin).
 
 To configure your current shell, run:
-    source {cargo_home}/env
-"
+    source "{cargo_home}/env"
+"#
     };
 }
 
@@ -237,14 +237,14 @@ Cargo's bin directory ({cargo_home}\\bin).
 #[cfg(not(windows))]
 macro_rules! post_install_msg_unix_no_modify_path {
     () => {
-        r"# Rust is installed now. Great!
+        r#"# Rust is installed now. Great!
 
 To get started you need Cargo's bin directory ({cargo_home}/bin) in your `PATH`
 environment variable. This has not been done automatically.
 
 To configure your current shell, run:
-    source {cargo_home}/env
-"
+    source "{cargo_home}/env"
+"#
     };
 }