[PATCH] live-image: ask for sudo permissions instead of exiting

[Alex Hung]

Signed-off-by: Alex Hung <alex.hung at canonical.com>
---
 live-image/fwts-frontend-text | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/live-image/fwts-frontend-text b/live-image/fwts-frontend-text
index 7fe4533f..4c397438 100755
--- a/live-image/fwts-frontend-text
+++ b/live-image/fwts-frontend-text
@@ -31,7 +31,8 @@ FWTS_TIME=`date +%H%M`
 #
 if [ $EUID -ne 0 ]; then
 	echo "`basename $0`: must be executed with sudo"
-	exit 1
+	SELF="$(readlink -f "${BASH_SOURCE[0]}")"
+	exec sudo -- "$BASH" -- "$SELF" "$@"
 fi
 
 #
-- 
2.25.1