diff --git a/scripts/run_ninja.py b/scripts/run_ninja.py
index 16972b5..f886837 100755
--- a/scripts/run_ninja.py
+++ b/scripts/run_ninja.py
@@ -18,15 +18,20 @@ import os
 import platform
 import subprocess
 
-def run_ninja(target: str, repo_path: str):   
+
+def run_ninja(target: str, repo_path: str, *, dryrun:bool = False):
     build_dir = os.path.join(repo_path, 'build')
     cmd = 'ninja {}'.format(target)
-    subprocess.check_call(cmd, shell=True, cwd=build_dir)
+    if dryrun:
+        print('Dryrun. Command would have been:\n{}'.format(cmd))
+    else:
+        subprocess.check_call(cmd, shell=True, cwd=build_dir)
 
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description='Run ninja for LLVM.')
     parser.add_argument('target')
     parser.add_argument('repo_path', type=str, nargs='?', default=os.getcwd())
+    parser.add_argument('--dryrun', action='store_true')
     args = parser.parse_args()
-    run_ninja(args.target, args.repo_path)
+    run_ninja(args.target, args.repo_path, dryrun=args.dryrun)