go-no-vendor-in-master.sh

# Add init repo
mkdir hello
cd hello
git init
echo "Hello World" > README.md
git add . && git commit -m "Add README.md"


# Add empty vendor dir 
git checkout --orphan vendor
git reset --hard
git commit --allow-empty -m "Initializing vendor "
git push origin vendor
git checkout master

# Add worktree
git worktree add -B vendor vendor origin/vendor

# Done, you can commit in two branches separately