diff --git a/src/main/java/org/nqm/command/Wrapper.java b/src/main/java/org/nqm/command/Wrapper.java
index 6682a32..325bef0 100644
--- a/src/main/java/org/nqm/command/Wrapper.java
+++ b/src/main/java/org/nqm/command/Wrapper.java
@@ -2,6 +2,7 @@
 
 import static org.nqm.config.GisConfig.CURRENT_DIR;
 import static org.nqm.utils.StdOutUtils.errln;
+import static org.nqm.utils.StdOutUtils.warnln;
 import java.io.File;
 import java.nio.file.Path;
 import java.util.function.Consumer;
@@ -24,6 +25,10 @@ public static void deployVertx(Path path, String... args) {
     GisVertx.instance().deployVerticle(new CommandVerticle(path, args));
   }
 
+  private static void deployEmptyVertx() {
+    GisVertx.instance().deployVerticle(new CommandVerticle());
+  }
+
   private static void forEachModuleWith(Predicate<Path> pred, Consumer<Path> consumeDir, boolean withRoot) {
     var gitModulesFilePath = Stream.of(Path.of(".", ".gis-modules"), Path.of(".", ".gitmodules"))
       .map(Path::toFile)
@@ -47,7 +52,7 @@ private static void forEachModuleWith(Predicate<Path> pred, Consumer<Path> consu
             .forEach(dir -> shouldConsumeDirOrNot(pred, consumeDir, dir));
         }
         else {
-          errln("failed to read file '.gitmodules'");
+          errln("failed to read file '.gis-modules' or '.gitmodules'");
         }
       });
   }
@@ -61,7 +66,8 @@ private static void shouldConsumeDirOrNot(Predicate<Path> pred, Consumer<Path> c
       consumeDir.accept(path);
     }
     else {
-      GisLog.debug("directory '%s' does not satisfy the predicate".formatted("" + path));
+      warnln("module '%s' does not satisfy the predicate".formatted("" + path.getFileName()));
+      deployEmptyVertx();
     }
   }
 
diff --git a/src/main/java/org/nqm/config/GisConfig.java b/src/main/java/org/nqm/config/GisConfig.java
index 4b297f1..8c9bfa5 100644
--- a/src/main/java/org/nqm/config/GisConfig.java
+++ b/src/main/java/org/nqm/config/GisConfig.java
@@ -15,7 +15,7 @@ private static VertxOptions vertxOptions() {
     options.setEventLoopPoolSize(1);
     options.setWorkerPoolSize(1);
     options.setInternalBlockingPoolSize(1);
-    options.setBlockedThreadCheckInterval(10000);
+    options.setBlockedThreadCheckInterval(1000000);
     return options;
   }
 
diff --git a/src/main/java/org/nqm/utils/StdOutUtils.java b/src/main/java/org/nqm/utils/StdOutUtils.java
index 3fc3074..d53a9dc 100644
--- a/src/main/java/org/nqm/utils/StdOutUtils.java
+++ b/src/main/java/org/nqm/utils/StdOutUtils.java
@@ -17,8 +17,6 @@ private StdOutUtils() {}
   public static final String CL_CYAN = "\u001B[36m";
   public static final String CL_WHITE = "\u001B[37m";
 
-  public static final String FONT_BOLD = "\u001B[1m";
-
   public static void errln(String msg) {
     err.println("  " + CL_RED + "ERROR: " + msg + CL_RESET);
   }
diff --git a/src/main/java/org/nqm/vertx/CommandVerticle.java b/src/main/java/org/nqm/vertx/CommandVerticle.java
index af876e0..f526d1e 100644
--- a/src/main/java/org/nqm/vertx/CommandVerticle.java
+++ b/src/main/java/org/nqm/vertx/CommandVerticle.java
@@ -35,12 +35,22 @@ public CommandVerticle(Path path, String... args) {
     for (int i = 0; i < args.length; i++) {
       this.commandWithArgs[i + 1] = args[i];
     }
-    GisLog.debug("executing command '%s' under directory '%s'", commandWithArgs, path);
+    GisLog.debug("executing command '%s' under module '%s'", commandWithArgs, path.getFileName());
     GisVertx.eventAddDir(path);
   }
 
+  public CommandVerticle() {
+    this.path = null;
+    this.commandWithArgs = null;
+    GisVertx.eventAddDir(Path.of("."));
+  }
+
   @Override
   public void start() {
+    if (path == null) {
+      GisVertx.eventRemoveDir(Path.of("."));
+      return;
+    }
     vertx.executeBlocking(
       (Promise<Process> promise) -> {
         try {
@@ -64,12 +74,7 @@ private void safelyPrint(Process pr) {
     var sb = new StringBuilder(infof("%s", "" + path.getFileName()));
     try {
       while (isNotBlank(line = input.readLine())) {
-        if (commandWithArgs[1].equals("status")) {
-          sb.append(gitStatus(line));
-        }
-        else {
-          sb.append("\n  ").append(line);
-        }
+        sb.append(commandWithArgs[1].equals("status") ? gitStatus(line) : "%n  %s".formatted(line));
       }
       out.println(sb.toString());
       Optional.of(pr.waitFor())
diff --git a/src/main/java/org/nqm/vertx/GisVertx.java b/src/main/java/org/nqm/vertx/GisVertx.java
index 3e4cb3d..0957c6e 100644
--- a/src/main/java/org/nqm/vertx/GisVertx.java
+++ b/src/main/java/org/nqm/vertx/GisVertx.java
@@ -2,8 +2,8 @@
 
 import static org.nqm.config.GisConfig.VERTX_OPTIONS;
 import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
 import org.nqm.config.GisLog;
 import io.vertx.core.Vertx;
 import io.vertx.core.eventbus.EventBus;
@@ -13,7 +13,7 @@ public class GisVertx {
 
   private static Vertx vertxInstance;
   private static EventBus eventBus;
-  private static List<String> processedModules;
+  private static Map<String, Boolean> processedModules;
 
   public static final String ADDR_ADD_DIR = "add.dir";
   public static final String ADDR_REM_DIR = "remove.dir";
@@ -27,9 +27,9 @@ public static Vertx instance() {
     return vertxInstance;
   }
 
-  private static List<String> processedModules() {
+  private static Map<String, Boolean> processedModules() {
     if (processedModules == null) {
-      processedModules = new ArrayList<>();
+      processedModules = new HashMap<>();
     }
     return processedModules;
   }
@@ -39,31 +39,31 @@ public static EventBus eventBus() {
       eventBus = instance().eventBus();
     }
 
-    eventBus.consumer(ADDR_ADD_DIR).handler(GisVertx::handleAddProcessedDir);
-    eventBus.consumer(ADDR_REM_DIR).handler(GisVertx::handleRemoveProcessedDir);
+    eventBus.consumer(ADDR_ADD_DIR).handler(GisVertx::addNewModule);
+    eventBus.consumer(ADDR_REM_DIR).handler(GisVertx::processedModule);
 
     return eventBus;
   }
 
-  private static void handleAddProcessedDir(Message<Object> msg) {
-    processedModules().add("" + msg.body());
+  private static void addNewModule(Message<Object> msg) {
+    processedModules().put("" + msg.body(), false);
   }
 
-  private static void handleRemoveProcessedDir(Message<Object> msg) {
-    processedModules().removeIf(d -> d.equals("" + msg.body()));
-    GisLog.debug("### queue size = '%s'".formatted(processedModules().size()));
-    if (processedModules().isEmpty()) {
+  private static void processedModule(Message<Object> msg) {
+    var modules = processedModules();
+    modules.computeIfPresent("" + msg.body(), (k, v) -> true);
+    if (!modules.isEmpty() && modules.values().stream().allMatch(Boolean.TRUE::equals)) {
       System.exit(0);
     }
   }
 
   public static void eventAddDir(Path dir) {
-    GisLog.debug("+++ adding dir '%s' to queue".formatted("" + dir));
+    GisLog.debug("+++ adding module '%s' to queue".formatted("" + dir.getFileName()));
     eventBus().send(GisVertx.ADDR_ADD_DIR, "" + dir);
   }
 
   public static void eventRemoveDir(Path dir) {
-    GisLog.debug("--- removing dir '%s' from queue".formatted("" + dir));
+    GisLog.debug("--- removing module '%s' from queue".formatted("" + dir.getFileName()));
     eventBus().send(GisVertx.ADDR_REM_DIR, "" + dir);
   }