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Description
In my use case, I wish to utilize theRepo class functionignored() to filter out a potentially larger list of files. The issue is that somethings this list of files is way too large. For example:
The command line max argument size is defined as noted here:
$ getconf ARG_MAX1048576However, my code is going beyond that maximum because the git repos I have chosen have lots of ignorable files.
I get this error:
Traceback (most recent call last): File "/Users/ericwb/workspace/bandit/.tox/py312/bin/bandit", line 8, in <module> sys.exit(main()) ^^^^^^ File "/Users/ericwb/workspace/bandit/bandit/cli/main.py", line 657, in main b_mgr.discover_files(args.targets, args.recursive, args.excluded_paths) File "/Users/ericwb/workspace/bandit/bandit/core/manager.py", line 252, in discover_files ignore_list = repo.ignored(*files) ^^^^^^^^^^^^^^^^^^^^ File "/Users/ericwb/workspace/bandit/.tox/py312/lib/python3.12/site-packages/git/repo/base.py", line 878, in ignored proc: str = self.git.check_ignore(*paths) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/ericwb/workspace/bandit/.tox/py312/lib/python3.12/site-packages/git/cmd.py", line 736, in <lambda> return lambda *args, **kwargs: self._call_process(name, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/ericwb/workspace/bandit/.tox/py312/lib/python3.12/site-packages/git/cmd.py", line 1316, in _call_process return self.execute(call, **exec_kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/ericwb/workspace/bandit/.tox/py312/lib/python3.12/site-packages/git/cmd.py", line 988, in execute proc = Popen( ^^^^^^ File "/Users/ericwb/.pyenv/versions/3.12.1/lib/python3.12/subprocess.py", line 1026, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "/Users/ericwb/.pyenv/versions/3.12.1/lib/python3.12/subprocess.py", line 1950, in _execute_child raise child_exception_type(errno_num, err_msg, err_filename)OSError: [Errno 7] Argument list too long: 'git'If I was using the command line, I'd take advantage of xargs to split the argument size below the max and repeatedly callgit check-ignore. For reference:https://stackoverflow.com/questions/2381241/what-is-the-subprocess-popen-max-length-of-the-args-parameter
While I can do the splitting of the list in my Python code, I believe it makes more sense that the library designed to call command lines does it itself. And maybe it doesn't make sense for all commands, be do believexargs would work well forgit check-ignore