remove leading comma from macro expansion

src/bootstrap/bootstrap.py

@@ -934,8 +934,8 @@ def main():
     if len(sys.argv) > 1 and sys.argv[1] == 'help':
         sys.argv = [sys.argv[0], '-h'] + sys.argv[2:]
 
-    help_triggered = (
-        '-h' in sys.argv) or ('--help' in sys.argv) or (len(sys.argv) == 1)
+    # help_triggered = ('-h' in sys.argv) or ('--help' in sys.argv) or (len(sys.argv) == 1)
+    help_triggered = len(sys.argv) == 1 or any(x in ["-h", "--help", "--version"] for x in sys.argv)
     try:
         bootstrap(help_triggered)
         if not help_triggered:

src/tools/tidy/src/lib.rs

@@ -69,4 +69,4 @@ pub mod ui_tests;
 pub mod unit_tests;
 pub mod unstable_book;
 pub mod walk;
-pub mod x;
+pub mod x_version;

src/tools/tidy/src/main.rs

@@ -53,34 +53,18 @@ fn main() {
             VecDeque::with_capacity(concurrency.get());
 
         macro_rules! check {
-            ($p:ident) => {
-                while handles.len() >= concurrency.get() {
-                    handles.pop_front().unwrap().join().unwrap();
-                }
-
-                let handle = s.spawn(|| {
-                    let mut flag = false;
-                    $p::check(&mut flag);
-                    if (flag) {
-                        bad.store(true, Ordering::Relaxed);
-                    }
-                });
-                handles.push_back(handle);
-            };
-
             ($p:ident $(, $args:expr)* ) => {
                 drain_handles(&mut handles);
 
                 let handle = s.spawn(|| {
                     let mut flag = false;
-                    $p::check($($args),* , &mut flag);
+                    $p::check($($args, )* &mut flag);
                     if (flag) {
                         bad.store(true, Ordering::Relaxed);
                     }
                 });
                 handles.push_back(handle);
-            };
-
+            }
         }
 
         check!(target_specific_tests, &src_path);
@@ -123,7 +107,7 @@ fn main() {
         check!(alphabetical, &compiler_path);
         check!(alphabetical, &library_path);
 
-        check!(x);
+        check!(x_version);
 
         let collected = {
             drain_handles(&mut handles);

src/tools/tidy/src/x.rs → src/tools/tidy/src/x_version.rs

@@ -1,9 +1,7 @@
 use std::process::Command;
 
 pub fn check(_bad: &mut bool) {
-    let result = Command::new("x")
-        .arg("--version")
-        .output();
+    let result = Command::new("x").arg("--version").output();
     let output = match result {
         Ok(output) => output,
         Err(_e) => todo!(),