These are some scripts that I use constantly when dealing with multiple git repositories.
To use, them, simply add the cloned folder to the PATH env var!
Moved permanently to my dotfiles repo
Script to permanently delete files/folders from your git repository. To use it, cd to your repository's root and then run the script with a list of paths you want to delete, e.g., git-delete-history path1 path2
Script to cleanup all installed gems (if you do not want to simply delete the gem install directory)
After merging local changes into branches and pushing them to the respective remote-tracking branches, you might want to clean your local machine. This script is used to ensure the first is done and then will cleanly delete the synced branches from local.
Script to see how much disk space each folder/item in your git repo is holding