cp: chore: Expose custom bash cmds (2237) into r0.3.0

[ko3n1g]

beep boop [🤖]: Hi @ko3n1g 👋,

we've cherry picked #2237 into  for you! 🚀

Please review and approve this cherry pick by your convenience!

Summary by CodeRabbit

• New Features
  • Added -cb / --custom_bash_cmds command-line argument to accept comma-separated bash commands.

[ko3n1g]

/ok to test c411f15

[copy-pr-bot]

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[coderabbitai]

📝 Walkthrough

Walkthrough

This PR adds a new CLI argument -cb/--custom_bash_cmds to accept comma-separated bash commands. The parameter is threaded through the setup_experiment module's main function and forwarded to the Slurm executor.

Changes

Cohort / File(s)	Summary
CLI Argument Addition scripts/performance/argument_parser.py	Added new Slurm CLI argument -cb/--custom_bash_cmds of type list_of_strings with an empty list default.
Parameter Threading scripts/performance/setup_experiment.py	Added custom_bash_cmds parameter to the main() function signature and forwarded it through the slurm_executor() call and __main__ entry point.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: exposing custom bash commands feature (reference #2237) as a cherry-pick into the r0.3.0 branch, which aligns with the code additions in argument_parser.py and setup_experiment.py.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Test Results For Major Changes	✅ Passed	PR adds CLI argument plumbing for custom_bash_cmds (10 lines, additive only). No logic modifications, algorithms altered, or performance-critical code changed.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch cherry-pick-2237-r0.3.0

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