#!/usr/bin/env zsh
set -e

repo_url=$1
target_dir=$2

[[ -z $repo_url ]] && read "repo_url?Repository URL: "
[[ -z $target_dir ]] && read "target_dir?Target Directory: "

target_dir=${~target_dir}

mkdir -p "$target_dir"/{worktrees,scripts}
cd "$target_dir"

git clone --bare "$repo_url" .bare

git --git-dir=.bare config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
git --git-dir=.bare fetch origin

git --git-dir=.bare remote set-head origin -a
default_branch=$(git --git-dir=.bare symbolic-ref refs/remotes/origin/HEAD | sed 's|refs/remotes/origin/||')

git --git-dir=.bare worktree add "worktrees/$default_branch" "$default_branch"