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[Bug] GitCommandNotFound when executing repo.git.execute on macOS #2016

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@cloudskytian

Description

@cloudskytian

Describe the bug
When executing repo.git.execute with string-type arguments on macOS, it throws a GitCommandNotFound exception:

Traceback (most recent call last):
  File "/Users/macuser/.pyenv/versions/3.12.2/lib/python3.12/site-packages/git/cmd.py", line 1262, in execute
    proc = safer_popen(
           ^^^^^^^^^^^^
  File "/Users/macuser/.pyenv/versions/3.12.2/lib/python3.12/subprocess.py", line 1026, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/Users/macuser/.pyenv/versions/3.12.2/lib/python3.12/subprocess.py", line 1953, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'git log -n 1'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/macuser/test.py", line 36, in <module>
    cmd = repo.git.execute("git log -n 1")
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/macuser/.pyenv/versions/3.12.2/lib/python3.12/site-packages/git/cmd.py", line 1275, in execute
    raise GitCommandNotFound(redacted_command, err) from err
git.exc.GitCommandNotFound: Cmd('g') not found due to: FileNotFoundError('[Errno 2] No such file or directory: 'git log -n 1'')

I have installed git and it works well on other commands, only repo.git.execute doesn't work'

The error only occurs when passing a string-type argument to repo.git.execute

Works correctly when using string array arguments

Works correctly when using shell=True argument

for example:

# Failing case (string argument)
repo.git.execute("git log -n 1")  # Throws exception

# Working case (array argument)
repo.git.execute(["git", "log", "-n", "1"])  # Executes successfully

# Working case (array argument)
repo.git.execute("git log -n 1", shell=True)  # Executes successfully

Environment

  • Python version: 3.12
  • GitPython version: 3.1.43
  • Operating System: macOS 14.3.1 (Sonoma)
  • Git version: 2.46.0
  • By the way, I'm using pyenv

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