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-rw-r--r--tools/patman/command.py17
1 files changed, 11 insertions, 6 deletions
diff --git a/tools/patman/command.py b/tools/patman/command.py
index fc085f2..e6af6ed 100644
--- a/tools/patman/command.py
+++ b/tools/patman/command.py
@@ -42,7 +42,7 @@ class CommandResult:
def RunPipe(pipe_list, infile=None, outfile=None,
capture=False, capture_stderr=False, oneline=False,
- cwd=None, **kwargs):
+ raise_on_error=True, cwd=None, **kwargs):
"""
Perform a command pipeline, with optional input/output filenames.
@@ -63,6 +63,7 @@ def RunPipe(pipe_list, infile=None, outfile=None,
result = CommandResult()
last_pipe = None
pipeline = list(pipe_list)
+ user_pipestr = '|'.join([' '.join(pipe) for pipe in pipe_list])
while pipeline:
cmd = pipeline.pop(0)
if last_pipe is not None:
@@ -80,8 +81,10 @@ def RunPipe(pipe_list, infile=None, outfile=None,
last_pipe = cros_subprocess.Popen(cmd, cwd=cwd, **kwargs)
except Exception, err:
result.exception = err
- print 'exception', pipe_list, err
- raise Exception("Error running '%s': %s" % (pipe_list, str))
+ if raise_on_error:
+ raise Exception("Error running '%s': %s" % (user_pipestr, str))
+ result.return_code = 255
+ return result
if capture:
result.stdout, result.stderr, result.combined = (
@@ -91,15 +94,17 @@ def RunPipe(pipe_list, infile=None, outfile=None,
result.return_code = last_pipe.wait()
else:
result.return_code = os.waitpid(last_pipe.pid, 0)[1]
- if result.return_code:
- raise Exception("Error running '%s'" % pipe_list)
+ if raise_on_error and result.return_code:
+ raise Exception("Error running '%s'" % user_pipestr)
return result
def Output(*cmd):
- return RunPipe([cmd], capture=True).stdout
+ return RunPipe([cmd], capture=True, raise_on_error=False).stdout
def OutputOneLine(*cmd, **kwargs):
+ raise_on_error = kwargs.pop('raise_on_error', True)
return (RunPipe([cmd], capture=True, oneline=True,
+ raise_on_error=raise_on_error,
**kwargs).stdout.strip())
def Run(*cmd, **kwargs):