$ git worktree add ../sentry-native-foo && cd ../sentry-native-foo
$ file .git
.git: ASCII text

$ make setup
/bin/sh: line 0: cd: .git/hooks: Not a directory
make: *** [.git/hooks/pre-commit] Error 1

$ make setup
git submodule update --init --recursive
...
python3 -m venv .venv
...