4 files changed, 20 insertions, 5 deletions

diff --git a/bitbake/lib/bb/ui/depexp.py b/bitbake/lib/bb/ui/depexp.py
index dcf7e6e2f3..b62adbf851 100644
--- a/bitbake/lib/bb/ui/depexp.py
+++ b/bitbake/lib/bb/ui/depexp.py
@@ -199,10 +199,13 @@ class gtkthread(threading.Thread):
 def main(server, eventHandler):
     try:
         cmdline = server.runCommand(["getCmdLineAction"])
-        if not cmdline or cmdline[0] != "generateDotGraph":
+        if cmdline and not cmdline['action']:
+            print(cmdline['msg'])
+            return
+        elif not cmdline or (cmdline['action'] and cmdline['action'][0] != "generateDotGraph"):
             print("This UI is only compatible with the -g option")
             return
-        ret = server.runCommand(["generateDepTreeEvent", cmdline[1], cmdline[2]])
+        ret = server.runCommand(["generateDepTreeEvent", cmdline['action'][1], cmdline['action'][2]])
         if ret != True:
             print("Couldn't run command! %s" % ret)
             return
diff --git a/bitbake/lib/bb/ui/goggle.py b/bitbake/lib/bb/ui/goggle.py
index bd03d31983..b2fd2741aa 100644
--- a/bitbake/lib/bb/ui/goggle.py
+++ b/bitbake/lib/bb/ui/goggle.py
@@ -82,8 +82,12 @@ def main (server, eventHandler):
     try:
         cmdline = server.runCommand(["getCmdLineAction"])
         if not cmdline:
+            print("Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
             return 1
-        ret = server.runCommand(cmdline)
+        elif not cmdline['action']:
+            print(cmdline['msg'])
+            return 1
+        ret = server.runCommand(cmdline['action'])
         if ret != True:
             print("Couldn't get default commandline! %s" % ret)
             return 1
diff --git a/bitbake/lib/bb/ui/knotty.py b/bitbake/lib/bb/ui/knotty.py
index 997eb3fe89..a4deb468bb 100644
--- a/bitbake/lib/bb/ui/knotty.py
+++ b/bitbake/lib/bb/ui/knotty.py
@@ -80,8 +80,12 @@ def main(server, eventHandler):
     try:
         cmdline = server.runCommand(["getCmdLineAction"])
         if not cmdline:
+            print("Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
             return 1
-        ret = server.runCommand(cmdline)
+        elif not cmdline['action']:
+            print(cmdline['msg'])
+            return 1
+        ret = server.runCommand(cmdline['action'])
         if ret != True:
             print("Couldn't get default commandline! %s" % ret)
             return 1
diff --git a/bitbake/lib/bb/ui/ncurses.py b/bitbake/lib/bb/ui/ncurses.py
index 469f1b7309..8684697aa2 100644
--- a/bitbake/lib/bb/ui/ncurses.py
+++ b/bitbake/lib/bb/ui/ncurses.py
@@ -232,8 +232,12 @@ class NCursesUI:
         try:
             cmdline = server.runCommand(["getCmdLineAction"])
             if not cmdline:
+                print("Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
                 return
-            ret = server.runCommand(cmdline)
+            elif not cmdline['action']:
+                print(cmdline['msg'])
+                return
+            ret = server.runCommand(cmdline['action'])
             if ret != True:
                 print("Couldn't get default commandlind! %s" % ret)
                 return