git post-checkout hook to copy .envrc files from main worktree

post-checkout.sh

#!/bin/bash

# if we are checking out a new git worktree, then copy over the
# environment files
if [[ "$1" == "0000000000000000000000000000000000000000" ]]; then
	basePath=$(git rev-parse --path-format=absolute --git-common-dir | xargs dirname)

	# Use glob to find all files starting with .env
	echo "running git post-checkout hook to copy .env* files to new worktree"
	for envFile in "$basePath"/.env*; do
		if [[ -f "$envFile" ]]; then
			filename=$(basename "$envFile")
			# Check if the file is not tracked by git
			if ! git -C "$basePath" ls-files --error-unmatch "$filename" >/dev/null 2>&1; then
				echo "Copying untracked file: $envFile to $(pwd)/$filename"
				cp "$envFile" "$(pwd)/$filename"
			fi
		fi
	done
fi

drop this in your .git/hooks folder without the .sh extension and chmod +x