feat: create custom fn to use git exclude folder and file

[tcelestino]

Changelog

• Exclude folders or files in the .git folder.

Checklist

Choose the appropriate options:

• Added new feature
• Fixed a bug
• Updated documentation
• Other changes

[gemini-code-assist]

Summary of Changes

Hello @tcelestino, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new Zsh custom function designed to streamline the process of adding files and folders to Git's local exclusion list. This utility provides a convenient command-line interface for users to manage their .git/info/exclude file, enhancing workflow efficiency by quickly preventing unwanted files from being tracked by Git without affecting the shared .gitignore.

Highlights

• New Zsh Function: A new Zsh function named ignore_from_git has been introduced to simplify adding patterns to the local Git exclusion file.
• Git Exclusion Management: This function allows users to specify files or folders to be added to the .git/info/exclude file, preventing them from being tracked by Git.
• Error Handling and Duplication Prevention: The function includes checks for an existing Git repository and ensures that no patterns are added if none are provided. It also prevents duplicate entries by checking if a pattern already exists before appending it.

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[gemini-code-assist]

Code Review

This pull request introduces a new shell function, ignore_from_git, to add entries to the .git/info/exclude file. The overall idea is useful. My review includes feedback to improve the function's robustness, adherence to shell scripting best practices, and overall simplicity. Specifically, I've suggested a more reliable way to detect a git repository, recommended redirecting error messages to stderr, and proposed a much simpler and more portable way to check for existing patterns in the exclude file.