From 021ba6a47856a96bf44cb3d8bf39f6f73ec741da Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 4 Jan 2021 10:29:21 +0200
Subject: Add ability to specify existing tap interface in test-machine

Also, create new tap as tap9 instead of tap0.
---
 upload-machine | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'upload-machine')

diff --git a/upload-machine b/upload-machine
index cffcd7b..8d6e730 100755
--- a/upload-machine
+++ b/upload-machine
@@ -14,7 +14,8 @@ usage="usage: $0 [<options>] <host> <new-subvol> [<old-subvol>]"
 
 owd="$(pwd)"
 trap "{ cd '$owd'; exit 1; }" ERR
-set -o errtrace # Trap in functions.
+set -o errtrace -o pipefail # Trap in functions.
+                            # Fail if any pipe command fails.
 
 function info () { echo "$*" 1>&2; }
 function error () { info "$*"; exit 1; }
-- 
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