Fixed REMOVE_OLD_MODS when directories not present

#851

start-finalSetupModpack

@@ -12,7 +12,8 @@ CURSE_URL_BASE=${CURSE_URL_BASE:-https://minecraft.curseforge.com/projects}
 
 # Remove old mods/plugins
 if isTrue ${REMOVE_OLD_MODS:-false}; then
-  find /data/mods /data/plugins -mindepth 1 -maxdepth ${REMOVE_OLD_MODS_DEPTH:-16} -wholename "${REMOVE_OLD_MODS_INCLUDE:-*}" -not -wholename "${REMOVE_OLD_MODS_EXCLUDE}" -delete
+  removeOldMods /data/mods
+  removeOldMods /data/plugins
 fi
 
 # If supplied with a URL for a modpack (simple zip of jars), download it and unpack

start-spiget

@@ -47,7 +47,7 @@ getResourceFromSpiget() {
 
 if [[ ${SPIGET_RESOURCES} ]]; then
   if isTrue ${REMOVE_OLD_MODS:-false}; then
-    rm -rf /data/plugins
+    removeOldMods /data/plugins
     REMOVE_OLD_MODS=false
   fi
 

start-utils

@@ -174,3 +174,9 @@ eula=${EULA,,}
     exit 2
   fi
 }
+
+function removeOldMods {
+  if [ -d "$1" ]; then
+    find "$1" -mindepth 1 -maxdepth ${REMOVE_OLD_MODS_DEPTH:-16} -wholename "${REMOVE_OLD_MODS_INCLUDE:-*}" -not -wholename "${REMOVE_OLD_MODS_EXCLUDE}" -delete
+  fi
+}