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Limit xargs line length. Resolves #205.

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This commit is contained in:
Anthony Sottile 2015-02-27 15:13:22 -08:00
parent 52c2d9c35a
commit 3bf852f46a
2 changed files with 32 additions and 1 deletions
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4
pre_commit/languages/helpers.py
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@ -10,7 +10,9 @@ def file_args_to_stdin(file_args):
def run_hook(env, hook, file_args):
quoted_args = [pipes.quote(arg) for arg in hook['args']]
return env.run(
' '.join(['xargs', '-0', hook['entry']] + quoted_args),
# Use -s 4000 (slightly less than posix mandated minimum)
# This is to prevent "xargs: ... Bad file number" on windows
' '.join(['xargs', '-0', '-s4000', hook['entry']] + quoted_args),
stdin=file_args_to_stdin(file_args),
retcode=None,
)