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cli: group together -c, -k, and -p in --help output

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This commit is contained in:
Omar Sandoval 2019-05-10 13:11:48 -07:00
parent 8231414dc9
commit e65ff24975
1 changed files with 10 additions and 5 deletions
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15
drgn/internal/cli.py
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@ -46,15 +46,20 @@ def main() -> None:
version = f'drgn {drgn.__version__} (using Python {python_version})'
parser = argparse.ArgumentParser(
prog='drgn', description='Scriptable debugger')
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument(
program_group = parser.add_argument_group(
title='program selection',
description='one of the following is required',
).add_mutually_exclusive_group(required=True)
program_group.add_argument(
'-c', '--core', metavar='PATH', type=str,
help='debug the given core dump')
group.add_argument(
program_group.add_argument(
'-k', '--kernel', action='store_true', help='debug the running kernel')
group.add_argument(
program_group.add_argument(
'-p', '--pid', metavar='PID', type=int,
help='debug the running program with the given PID')
help='debug the running process with the given PID')
parser.add_argument(
'-q', '--quiet', action='store_true',
help="don't print non-fatal warnings (e.g., about missing debugging information)")