Make "Slave lost" purple (exception) instead of red (failure).

buildbot/process/buildstep.py

 # -*- test-case-name: buildbot.test.test_steps -*-
 
 from zope.interface import implements
 from twisted.internet import reactor, defer, error
 from twisted.protocols import basic
 from twisted.spread import pb
 from twisted.python import log
 from twisted.python.failure import Failure
 from twisted.web.util import formatFailure
 
@@ skipping 1057 matching lines @@
         # 'reason' can be a Failure, or text
         self.addCompleteLog('interrupt', str(reason))
         d = self.cmd.interrupt(reason)
         return d
 
     def checkDisconnect(self, f):
         f.trap(error.ConnectionLost)
         self.step_status.setText(self.describe(True) +
                                  ["failed", "slave", "lost"])
         self.step_status.setText2(["failed", "slave", "lost"])
-        return self.finished(FAILURE)
+        return self.finished(EXCEPTION)
 
     # to refine the status output, override one or more of the following
     # methods. Change as little as possible: start with the first ones on
     # this list and only proceed further if you have to    
     #
     # createSummary: add additional Logfiles with summarized results
     # evaluateCommand: decides whether the step was successful or not
     #
     # getText: create the final per-step text strings
     # describeText2: create the strings added to the overall build status
@@ skipping 71 matching lines @@
         # this is good enough for most steps, but it can be overridden to
         # get more control over the displayed text
         self.step_status.setText(self.getText(cmd, results))
         self.step_status.setText2(self.maybeGetText2(cmd, results))
 
 # (WithProperties used to be available in this module)
 from buildbot.process.properties import WithProperties
 _hush_pyflakes = [WithProperties]
 del _hush_pyflakes