Traceback (most recent call last):
File "/home/batrick/scm/ceph/src/script/ptl-tool.py", line 657, in <module>
File "/home/batrick/scm/ceph/src/script/ptl-tool.py", line 654, in main
File "/home/batrick/scm/ceph/src/script/ptl-tool.py", line 464, in build_branch
UnboundLocalError: cannot access local variable 'trailer_commit' where it is not associated with a value
Signed-off-by: Patrick Donnelly <pdonnell@ibm.com>