Memory leak if run lefthook run inside command

[strpc]

🔧 Summary

Hi! I'm see a memory leak if run lefthook run inside lefthook command.

Lefthook version

1.2.7, 1.2.8

Steps to reproduce

Example config:

pre-commit:
  commands:
    format:
      run: lefthook run format

format:
  piped: true
  parallel: false
  commands:
    # number prefix used to save ordering
    1_autoflake:
      glob: "*.py"
      run: autoflake --recursive --ignore-init-module-imports --remove-all-unused-imports --remove-unused-variables --in-place {staged_files}
    2_isort:
      glob: "*.py"
      run: isort --color --quiet {staged_files}
    3_black:
      glob: "*.py"
      run: black {staged_files}
    4_pyup_dirs:
      glob: "*.py"
      run: pyup_dirs --py311-plus {staged_files} | true
    4_black_check:
      glob: "*.py"
      run: black --check {staged_files}

Expected results

Low memory usage

Actual results

High memory usage

Possible Solution

Screenshots (if appropriate)

1.2.6:

1.2.7:

1.2.8:

[mrexox]

Wow! Thank your for the issue! I will take a look at this bug. This is unbelievable 😱

[strpc]

I found out: bug in deps https://github.com/briandowns/spinner
I have updated this to v1.21.0 https://github.com/briandowns/spinner/releases/tag/v1.21.0 and memory got better

PR open