#!/usr/bin/env bash
# Creates the builder's sparse worktree: everything shared, its own app
# directory, and nothing of the reference fixture or other apps.
#   builders/worktree.sh <slug>
set -euo pipefail
slug=$1
repo=$(cd "$(dirname "$0")/.." && pwd)
wt="$repo/.worktrees/$slug"
cd "$repo"
git worktree add --no-checkout -b "app/$slug" "$wt" HEAD
cd "$wt"
git sparse-checkout set --no-cone '/*' '!/harness/refapp/' '!/apps/' "/apps/$slug/" '/apps/.keep'
git checkout -q
mkdir -p "apps/$slug"
echo "$wt"