Commit a96bc98d authored by S. Zeid's avatar S. Zeid

[cli/engine/commands/shell] add shell option to also echo tracebacks to stderr

parent 357235ba
......@@ -99,6 +99,8 @@ class ShellCommand(Command):
help='Prompt for and terminate shell input with a null byte'
' instead of, respectively, ps1 and a newline. Useful'
' in conjunction with --robot.')
p.add_argument("--tracebacks-to-stderr", action="store_true",
help='Also echo tracebacks to standard error.')
p.add_argument("--robot", default="", metavar='<format>',
help='Produce output suitable for robots.'
' Format should be "plist" or "json".')
......@@ -160,6 +162,7 @@ class ShellCommand(Command):
null = getattr(self.options, "null", False)
ps1 = getattr(self.options, "ps1", "")
tracebacks_to_stderr = getattr(self.options, "tracebacks_to_stderr", False)
self.__use_real_output_format = False
ps1 = "\0" if null else ps1
......@@ -249,7 +252,13 @@ class ShellCommand(Command):
r = 127
if real_command:
r = cli.start(argv, self, default=(None if self.__is_shell else None.__class__))
r, cmd = cli.start(argv, self, default=(None if self.__is_shell else None.__class__),
if tracebacks_to_stderr and cmd.robot_output:
tbs = cmd.robot_output.get("output", {}).get("traceback", [])
if tbs:
for i in tbs:
print >> self.stderr, i
if one_command != False:
if real_command:
raise StopIteration(r)
......@@ -274,6 +283,8 @@ class ShellCommand(Command):
self.cmd(output.OutputCommand).run([self.argv[0], "127", "", "", tb])
if tracebacks_to_stderr:
print >> self.stderr, tb
if one_command != False:
raise StopIteration(127)
raise StopIteration(0)
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