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Small robustnes improvements #1

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Small robustnes improvements #1

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7 changes: 5 additions & 2 deletions getLatestMinecraftServerJar.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@ function main {
MCJSON=$(curl -s $__MC_JSON_URL)
LATEST_VER=$(getJSONVal "$(getJSONData "$MCJSON" latest)" release)

LATEST_URL_DATA=$(echo $MCJSON | egrep -o "\"id\":\"${LATEST_VER}\"[^}]*")
LATEST_VER_URL=$(getJSONVal "$LATEST_URL_DATA" url)
LATEST_URL_DATA=$(echo $MCJSON | egrep -o "\"id\":\s*\"${LATEST_VER}\"[^}]*")
LATEST_VER_URL=$(getJSONVal "$LATEST_URL_DATA" url)

MCURLJSON=$(curl -s $LATEST_VER_URL)
SERVER_JAR_NAME=minecraft_server_${LATEST_VER}.jar
Expand All @@ -17,6 +17,9 @@ function main {

LOCAL_FILE=$([[ -n $1 ]] && printf $1 || printf /tmp/$SERVER_JAR_NAME)

if [[ -d "${LOCAL_FILE}" ]]; then
LOCAL_FILE=$LOCAL_FILE/$SERVER_JAR_NAME
fi
if [[ -a "${LOCAL_FILE}" ]]; then
printf "${LOCAL_FILE} exists -- moving to ${LOCAL_FILE}.old\n"
mv ${LOCAL_FILE} ${LOCAL_FILE}.old
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