Clone test262 lazily

boa_tester/src/main.rs

@@ -157,8 +157,8 @@ enum Cli {
         verbose: u8,
 
         /// Path to the Test262 suite.
-        #[arg(long, default_value = "./test262", value_hint = ValueHint::DirPath)]
-        test262_path: PathBuf,
+        #[arg(long, value_hint = ValueHint::DirPath)]
+        test262_path: Option<PathBuf>,
 
         /// Which specific test or test suite to run. Should be a path relative to the Test262 directory: e.g. "test/language/types/number"
         #[arg(short, long, default_value = "test", value_hint = ValueHint::AnyPath)]
@@ -221,7 +221,7 @@ fn main() -> Result<()> {
         } => run_test_suite(
             verbose,
             !disable_parallelism,
-            test262_path.as_path(),
+            test262_path.as_deref(),
             suite.as_path(),
             output.as_deref(),
             ignore.as_path(),
@@ -250,7 +250,7 @@ fn clone_test262() {
         return;
     }
 
-    println!("cloning test262");
+    println!("Cloning test262");
     let result = Command::new("git")
                     .arg("clone")
                     .arg(TEST262_REPOSITORY)
@@ -279,7 +279,7 @@ fn clone_test262() {
 fn run_test_suite(
     verbose: u8,
     parallel: bool,
-    test262: &Path,
+    test262: Option<&Path>,
     suite: &Path,
     output: Option<&Path>,
     ignore: &Path,
@@ -297,7 +297,11 @@ fn run_test_suite(
         }
     }
 
-    clone_test262();
+    let test262 = test262.unwrap_or_else(|| {
+        clone_test262();
+
+        Path::new("./test262")
+    });
 
     let ignored = {
         let mut input = String::new();