Enhanced WORLD to support path to zip file

start-finalSetup01World

@@ -1,6 +1,8 @@
 #!/bin/bash
 
 . /start-utils
+set -e
+isDebugging && set -x
 
 if [ $TYPE = "FEED-THE-BEAST" ]; then
   worldDest=$FTB_BASE_DIR/$LEVEL
@@ -8,46 +10,45 @@ else
   worldDest=/data/$LEVEL
 fi
 
-# If no world exists and a URL for a world is supplied, download it and unpack
 if [[ "$WORLD" ]] && [ ! -d "$worldDest" ]; then
-case "X$WORLD" in
-  X[Hh][Tt][Tt][Pp]*)
-    log "Downloading world from $WORLD"
-    curl -sSL -o - "$WORLD" > /data/world.zip
+  if isURL $WORLD; then
+    curl -fsSL "$WORLD" -o /tmp/world.zip
+    zipSrc=/tmp/world.zip
+  elif [[ "$WORLD" =~ .*\.zip ]]; then
+    zipSrc="$WORLD"
+  fi
+
+  if [[ "$zipSrc" ]]; then
     log "Unzipping world"
-    unzip -o -q /data/world.zip
-    rm -f /data/world.zip
-    if [ ! -d $worldDest ]; then
-      log World directory not found
-      for i in /data/*/level.dat; do
-        if [ -f "$i" ]; then
-          d=`dirname "$i"`
-          log Renaming world directory from $d
-          mv -f "$d" $worldDest
-        fi
-      done
-    fi
-    if [ "$TYPE" = "SPIGOT" ]; then
-      # Reorganise if a Spigot server
-      log "Moving End and Nether maps to Spigot location"
-      [ -d "$worldDest/DIM1" ] && mv -f "$worldDest/DIM1" "/data/${LEVEL}_the_end"
-      [ -d "$worldDest/DIM-1" ] && mv -f "$worldDest/DIM-1" "/data/${LEVEL}_nether"
-    fi
-    ;;
-  *)
-    if [[ -d "$WORLD" ]]; then
-      if [[ ! -d "$worldDest" ]]; then
-        log "Cloning world directory from $WORLD ..."
-        cp -r "$WORLD" "$worldDest"
-      else
-        log "Skipping clone from $WORLD since $worldDest exists"
-      fi
+
+    # Stage contents so that the correct subdirectory can be picked off
+    mkdir -p /tmp/world-data
+    (cd /tmp/world-data && unzip -o -q "$zipSrc")
+
+    baseDirs=$(find /tmp/world-data -name "level.dat" -exec dirname "{}" \;)
+    count=$(echo "$baseDirs" | wc -l)
+    if [[ $count -gt 1 ]]; then
+      baseDir="$(echo "$baseDirs" | sed -n ${WORLD_INDEX:-1}p)"
+      baseName=$(basename "$baseDir")
+      log "WARN multiple levels found, picking: $baseName"
+    elif [[ $count -gt 0 ]]; then
+      baseDir="$baseDirs"
     else
-      log "World cloning source '$WORLD' doesn't seem to exist"
+      log "ERROR invalid world content"
       exit 1
     fi
-    ;;
-esac
+    mv "$baseDir" "$worldDest"
+  else
+    log "Cloning world directory from $WORLD ..."
+    cp -r "$WORLD" "$worldDest"
+  fi
+
+  if [ "$TYPE" = "SPIGOT" ]; then
+    # Reorganise if a Spigot server
+    log "Moving End and Nether maps to Spigot location"
+    [ -d "$worldDest/DIM1" ] && mv -f "$worldDest/DIM1" "/data/${LEVEL}_the_end"
+    [ -d "$worldDest/DIM-1" ] && mv -f "$worldDest/DIM-1" "/data/${LEVEL}_nether"
+  fi
 fi
 
 exec /start-finalSetup02Modpack $@