1 files changed, 13 insertions, 6 deletions

diff --git a/bitbake/lib/bb/command.py b/bitbake/lib/bb/command.py
index 06bd203c90..9a8d689e2a 100644
--- a/bitbake/lib/bb/command.py
+++ b/bitbake/lib/bb/command.py
@@ -20,7 +20,7 @@ Provide an interface to interact with the bitbake server through 'commands'
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 """
-The bitbake server takes 'commands' from its UI/commandline. 
+The bitbake server takes 'commands' from its UI/commandline.
 Commands are either synchronous or asynchronous.
 Async commands return data to the client in the form of events.
 Sync commands must only return data through the function return value
@@ -62,7 +62,7 @@ class Command:
         try:
             command = commandline.pop(0)
             if command in CommandsSync.__dict__:
-                # Can run synchronous commands straight away            
+                # Can run synchronous commands straight away
                 return getattr(CommandsSync, command)(self.cmds_sync, self, commandline)
             if self.currentAsyncCommand is not None:
                 return "Busy (%s in progress)" % self.currentAsyncCommand[0]
@@ -89,7 +89,17 @@ class Command:
                     return False
             else:
                 return False
-        except:
+        except KeyboardInterrupt as exc:
+            self.finishAsyncCommand("Interrupted")
+            return False
+        except SystemExit as exc:
+            arg = exc.args[0]
+            if isinstance(arg, basestring):
+                self.finishAsyncCommand(arg)
+            else:
+                self.finishAsyncCommand("Exited with %s" % arg)
+            return False
+        except Exception:
             import traceback
             self.finishAsyncCommand(traceback.format_exc())
             return False
@@ -268,6 +278,3 @@ class CookerCommandSetExitCode(bb.event.Event):
     def  __init__(self, exitcode):
         bb.event.Event.__init__(self)
         self.exitcode = int(exitcode)
-
-
-