rn.py VerifyGCCSourceAction should 'raise IOError' when source isn't found.

Change-Id: Ic64c1f742305ba32a1edbb596a0b7d89a4c2fdfa

1 files changed, 1 insertions, 6 deletions

diff --git a/rn.py b/rn.py
index 0bbc748..7efdcf8 100644
--- a/rn.py
+++ b/rn.py
@@ -31,8 +31,6 @@ import traceback
 rnProj = []
 
 # Cleanup the temporary project directory if necessary.
-
-
 def rncleanup():
     if not rnProj:
         # This will be the case if the script is run via the test driver.
@@ -41,7 +39,6 @@ def rncleanup():
         print "Cleaning up Proj dir %s if possible." % rnProj[0].projdir
         rnProj[0].cleanup()
 
-
 def generate(track, to_date, to_series, gccsource, persist):
     # Delay creating the Proj directory until now so that the parser (and
     # parser validation functions) can be tested in the unittests without
@@ -128,8 +125,7 @@ class VerifyGCCSourceAction(argparse.Action):
         # We simply want to test that the directory exists.  We'll prove that
         # it is a git directory in a later step.
         if not os.path.isdir(values):
-            sys.exit(2)
-
+            raise IOError("The GCC source directory %s does not exist." % values)
 
 def str_to_datetime(datestr):
     # strptime will throw an exception if the input date is not a string or is
@@ -141,7 +137,6 @@ def str_to_datetime(datestr):
     # Force the 'day' to 15 to unify comparisons.
     return inputdate.replace(day=15)
 
-
 def create_parser():
     parser = argparse.ArgumentParser(
         prog="rn.py",