debvm-run: make shellcheck happy

Fixes: 66b9374cc19c ("debvm-run: extract kernel image before inspecting it")

1 files changed, 5 insertions, 4 deletions

diff --git a/bin/debvm-run b/bin/debvm-run
index 336a509..1055467 100755
--- a/bin/debvm-run
+++ b/bin/debvm-run
@@ -105,11 +105,12 @@ die() {
 	exit 1
 }
 with_set_ex() {
-	local ret
 	echo "+ $*" 1>&2
-	ret=0
-	"$@" || ret=$?
-	test "$ret" = 0 || die "failed with exit code $ret"
+	with_set_ex_ret=0
+	"$@" || with_set_ex_ret=$?
+	if test "$with_set_ex_ret" != 0; then
+		die "failed with exit code $with_set_ex_ret"
+	fi
 }
 usage() {
 	die "usage: $0 [-g] [-i image] [-s sshport] [-- qemu options]"