git worktree with bare clone

gistfile1.txt

# create a project dir
mkdir my-project && cd my-project

# bare clone into .bare
git clone --bare git@github.com:user/repo.git .bare

# create .git to refer bare repository
echo "gitdir: ./.bare" > .git

# configure and fetch origin
git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
git fetch origin

# add worktrees
git worktree add main main
git worktree add feature/a -b feature/a origin/main
# use existing remote branch
git worktree add feature/b origin/feature/b

# project directory structure
my-project/
├── .bare/              # Git data
├── .git                # gitdir ref
├── main/               # main branch worktree
│   ├── src/
│   └── ...
└── feature/
    ├── a/              # feature/a branch
    └── b/              # featrue/b branch