From 932a6828f9ccdf02c8bf0f2912daaabf280f8455 Mon Sep 17 00:00:00 2001
From: Geoff Bourne <itzgeoff@gmail.com>
Date: Mon, 3 Jul 2017 14:20:12 -0500
Subject: [PATCH] [mc] Auto fix pre 1.12 empty json For #162

---
 minecraft-server/start-minecraft.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/minecraft-server/start-minecraft.sh b/minecraft-server/start-minecraft.sh
index dfc92d79..3e9c2ab5 100755
--- a/minecraft-server/start-minecraft.sh
+++ b/minecraft-server/start-minecraft.sh
@@ -560,11 +560,11 @@ if [ -n "$ICON" -a ! -e server-icon.png ]; then
   fi
 fi
 
-# Make sure files exist to avoid errors
-if [ ! -e banned-players.json ]; then
+# Make sure files exist and are valid JSON (for pre-1.12 to 1.12 upgrades)
+if [[ ! -e banned-players.json || ! $(jq banned-players.json &> /dev/null) ]]; then
 	echo '[]' > banned-players.json
 fi
-if [ ! -e banned-ips.json ]; then
+if [[ ! -e banned-ips.json || ! $(jq banned-ips.json &> /dev/null) ]]; then
 	echo '[]' > banned-ips.json
 fi