From 60f3f336695ab2e8ec50be507404153c42fffec5 Mon Sep 17 00:00:00 2001
From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Tue, 3 May 2016 09:51:18 +0200
Subject: [PATCH] Append -serial flags to qemu only if it is not already on the
 command line

---
 novaboot | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/novaboot b/novaboot
index 52383ce..f2568e2 100755
--- a/novaboot
+++ b/novaboot
@@ -992,7 +992,9 @@ if (defined $qemu) {
 	    push(@qemu_flags, ('-dtb', $dtb)) if $dtb;
 	}
     }
-    push(@qemu_flags,  qw(-serial stdio)); # Redirect serial output (for collecting test restuls)
+    if (!grep /^-serial$/, @qemu_flags) {
+	push(@qemu_flags,  qw(-serial stdio)); # Redirect serial output (for collecting test restuls)
+    }
     unshift(@qemu_flags, ('-name', $config_name));
     print STDERR "novaboot: Running: ".shell_cmd_string($qemu, @qemu_flags)."\n";
     $exp = Expect->spawn(($qemu, @qemu_flags)) || die("exec() failed: $!");
-- 
2.39.2