Bash script to checkout to new branch if you have any files with updated index

checkout.sh

#!/bin/bash

# Set the branch name as the first argument passed to the script
branch_name=$1

# Cancel the skip-worktree changes for all files
git ls-files -v | grep ^S | cut -c 3- | xargs git update-index --no-skip-worktree

# Stash all files
git stash save --keep-index --include-untracked "Stashing skip-worktree files"

# Checkout to the specified branch
git checkout $branch_name

# Unstash the changes
git stash pop

# Update the skip-worktree status for the files
git ls-files -v | grep ^S | cut -c 3- | xargs git update-index --skip-worktree

echo "Done"

# To run
# ./checkout <branch_name>
# Put this file in the alias to use it with ease