[buildbot] Split long descriptions into words for better formatting.

[tra]

Summary

Addresses Galina's comment in D42814.

[gkistanova]

LGTM

zorg/trunk/zorg/buildbot/builders/CUDATestsuiteBuilder.py

 from buildbot.process.properties import WithProperties
 try:
   # buildbot 0.8.5
   from buildbot.steps.slave import RemoveDirectory
 except:
   # buildbot 0.8.12
   from buildbot.plugins import steps
   RemoveDirectory = steps.RemoveDirectory
 
+from string import split
 from zorg.buildbot.builders import ClangBuilder
 from zorg.buildbot.commands.CmakeCommand import CmakeCommand
 from zorg.buildbot.commands.NinjaCommand import NinjaCommand
 
-
 def getCUDATestsuiteBuildFactory(
         externals,  # Directory with CUDA, thrust and gcc versions for testing.
         always_clean=True,
         test=False,
         useTwoStage=False,
         cmake='cmake',
         extra_cmake_args=None,  # Extra CMake args for all stages.
         extra_ts_cmake_args=None,  # extra cmake args for testsuite.
def getCUDATestsuiteBuildFactory(
     # Always build simple CUDA tests. They serve as compilation
     # smoketests and will fail quickly if compiler has obvious issues
     # compiling CUDA files.
     f.addStep(NinjaCommand(
         name='ninja build simple CUDA tests',
         targets=["cuda-tests-simple"],
         jobs=jobs,
         haltOnFailure=True,
-        description=["building simple CUDA tests"],
-        descriptionDone=["simple CUDA tests built."],
+        description=split("building simple CUDA tests"),
+        descriptionDone=split("simple CUDA tests built."),
         workdir=ts_build_dir,
         env=merged_env))
 
     # Limit GPUs visible to CUDA.
     if gpu_devices:
         for gpu_id in gpu_devices:
             # make ID a string as it may be either an integer or a UUID string.
             gpu_id = str(gpu_id)
             gpu_env = dict(merged_env)
             gpu_env["CUDA_VISIBLE_DEVICES"] = gpu_id
             f.addStep(NinjaCommand(
                 name='run simple CUDA tests on gpu %s' % gpu_id,
                 targets=["check-cuda-simple"],
                 jobs=1, # lit will parallelize the jobs
                 haltOnFailure=True,
-                description=["Running simple CUDA tests on GPU %s" % gpu_id],
-                descriptionDone=["simple CUDA tests on GPU %s done." % gpu_id],
+                description=split("Running simple CUDA tests on GPU %s" % gpu_id),
+                descriptionDone=split("simple CUDA tests on GPU %s done." % gpu_id),
                 workdir=ts_build_dir,
                 env=gpu_env))
     else:
         f.addStep(NinjaCommand(
             name='run simple CUDA tests',
             targets=["check-cuda-simple"],
             jobs=1, # lit will parallelize the jobs
             haltOnFailure=True,
-            description=["Running simple CUDA tests"],
-            descriptionDone=["simple CUDA tests done."],
+            description=split("Running simple CUDA tests"),
+            descriptionDone=split("simple CUDA tests done."),
             workdir=ts_build_dir,
             env=merged_env))
 
     # If we've enabled thrust tests, build them now.
     # WARNING: This takes a lot of time to build.
     if (enable_thrust_tests):
         f.addStep(NinjaCommand(
             name='ninja build thrust',
             targets=["cuda-tests-thrust"],
             jobs=jobs,
             haltOnFailure=True,
-            description=["building thrust tests"],
-            descriptionDone=["thrust tests built."],
+            description=split("building thrust tests"),
+            descriptionDone=split("thrust tests built."),
             workdir=ts_build_dir,
             env=merged_env))
         # Run them. That also takes a while.
         # TODO(tra) we may want to run more than one instance so one
         # can be compiling tests while another is running them on GPU.
         if run_thrust_tests:
             f.addStep(NinjaCommand(
                 name='run all CUDA tests',
                 targets=["check"],
                 jobs=1, # lit will parallelize the jobs.
                 haltOnFailure=True,
-                description=["running all CUDA tests."],
-                descriptionDone=["all cuda tests done."],
+                description=split("running all CUDA tests."),
+                descriptionDone=split("all cuda tests done."),
                 workdir=ts_build_dir,
                 env=merged_env))
 
     return f