git-debrebase: avoid stack trace from badusage()

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/git-debrebase b/git-debrebase
index 599fe150d12cdbae0038183976cc1f4f594b1b62..7a49dd767a22a69a1ddbaf4948136638fe2b020c 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -37,7 +37,8 @@ our $us = qw(git-debrebase);
 
 sub badusage ($) {
     my ($m) = @_;
-    die "bad usage: $m\n";
+    print STDERR "bad usage: $m\n";
+    exit 12;
 }
 
 sub cfg ($;$) {