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Merge pull request #1864 from pre-commit/batch_additional_headroom

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give xargs batch file execution additional headroom
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Anthony Sottile 2021-04-04 10:32:11 -07:00 • committed by GitHub
commit 008717fcc9
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pre_commit/xargs.py
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@ -145,7 +145,9 @@ def xargs(
# this is implementation details but the command gets translated into # this is implementation details but the command gets translated into
# full/path/to/cmd.exe /c *cmd # full/path/to/cmd.exe /c *cmd
cmd_exe = parse_shebang.find_executable('cmd.exe') cmd_exe = parse_shebang.find_executable('cmd.exe')
_max_length = 8192 - len(cmd_exe) - len(' /c ') # 1024 is additionally subtracted to give headroom for further
# expansion inside the batch file
_max_length = 8192 - len(cmd_exe) - len(' /c ') - 1024
partitions = partition(cmd, varargs, target_concurrency, _max_length) partitions = partition(cmd, varargs, target_concurrency, _max_length)