From 67bc3c1a8c5d610335c27d909b1beadb40efd5de Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 4 Dec 2023 12:36:53 +0900
Subject: [PATCH] tools/meson-vcs-tag: the third argument is optional

Follow-up for 1a71ac07adafebe7e0074f92d049f72968ca2d47.
---
 tools/meson-vcs-tag.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/meson-vcs-tag.sh b/tools/meson-vcs-tag.sh
index b0ab0978c86f7..4a8dc89ab2c21 100755
--- a/tools/meson-vcs-tag.sh
+++ b/tools/meson-vcs-tag.sh
@@ -6,7 +6,7 @@ set -o pipefail
 
 dir="${1:?}"
 fallback="${2:?}"
-version_tag="$3"
+version_tag="${3:-}"
 
 if [ -n "${version_tag}" ]; then
     # If -Dversion_tag= was used, just use that without further changes.