From 581202213db0643b1b9c7d97c68ccdf6b74f0c97 Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Tue, 28 Jan 2020 17:15:31 +0100
Subject: [PATCH] Ensure that numerical branch has "v" prefix

---
 alpine-make-vm-image | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/alpine-make-vm-image b/alpine-make-vm-image
index 19e438b..eeeec50 100755
--- a/alpine-make-vm-image
+++ b/alpine-make-vm-image
@@ -354,6 +354,10 @@ done
 : ${SCRIPT_CHROOT:="no"}
 : ${SERIAL_CONSOLE:="no"}
 
+case "$ALPINE_BRANCH" in
+	[0-9]*) ALPINE_BRANCH="v$ALPINE_BRANCH";;
+esac
+
 if [ -f /etc/alpine-release ]; then
 	: ${INSTALL_HOST_PKGS:="yes"}
 else