1 files changed, 22 insertions, 12 deletions

diff --git a/src/bootstrap/flags.rs b/src/bootstrap/flags.rs
index ee341a353..37a8eb884 100644
--- a/src/bootstrap/flags.rs
+++ b/src/bootstrap/flags.rs
@@ -140,9 +140,10 @@ pub enum Subcommand {
     },
     Run {
         paths: Vec<PathBuf>,
+        args: Vec<String>,
     },
     Setup {
-        profile: Profile,
+        profile: Option<Profile>,
     },
 }
 
@@ -342,6 +343,9 @@ To learn more about a subcommand, run `./x.py <subcommand> -h`",
             Kind::Format => {
                 opts.optflag("", "check", "check formatting instead of applying.");
             }
+            Kind::Run => {
+                opts.optmulti("", "args", "arguments for the tool", "ARGS");
+            }
             _ => {}
         };
 
@@ -613,7 +617,7 @@ Arguments:
                     println!("\nrun requires at least a path!\n");
                     usage(1, &opts, verbose, &subcommand_help);
                 }
-                Subcommand::Run { paths }
+                Subcommand::Run { paths, args: matches.opt_strs("args") }
             }
             Kind::Setup => {
                 let profile = if paths.len() > 1 {
@@ -624,14 +628,15 @@ Arguments:
                         |path| format!("{} is not a valid UTF8 string", path.to_string_lossy())
                     ));
 
-                    profile_string.parse().unwrap_or_else(|err| {
+                    let profile = profile_string.parse().unwrap_or_else(|err| {
                         eprintln!("error: {}", err);
                         eprintln!("help: the available profiles are:");
                         eprint!("{}", Profile::all_for_help("- "));
                         crate::detail_exit(1);
-                    })
+                    });
+                    Some(profile)
                 } else {
-                    t!(crate::setup::interactive_path())
+                    None
                 };
                 Subcommand::Setup { profile }
             }
@@ -721,16 +726,12 @@ impl Subcommand {
     }
 
     pub fn test_args(&self) -> Vec<&str> {
-        let mut args = vec![];
-
         match *self {
             Subcommand::Test { ref test_args, .. } | Subcommand::Bench { ref test_args, .. } => {
-                args.extend(test_args.iter().flat_map(|s| s.split_whitespace()))
+                test_args.iter().flat_map(|s| s.split_whitespace()).collect()
             }
-            _ => (),
+            _ => vec![],
         }
-
-        args
     }
 
     pub fn rustc_args(&self) -> Vec<&str> {
@@ -738,7 +739,16 @@ impl Subcommand {
             Subcommand::Test { ref rustc_args, .. } => {
                 rustc_args.iter().flat_map(|s| s.split_whitespace()).collect()
             }
-            _ => Vec::new(),
+            _ => vec![],
+        }
+    }
+
+    pub fn args(&self) -> Vec<&str> {
+        match *self {
+            Subcommand::Run { ref args, .. } => {
+                args.iter().flat_map(|s| s.split_whitespace()).collect()
+            }
+            _ => vec![],
         }
     }