#!/usr/bin/env bash
#
# This script prepares the user's machine for significant updates
# in the dev-env by checking out the "dev-env-next" branch if it exists,
# and installing new Nix version (if any) and running "dade-preload".
#

set -e

# Switch to the directory containing this script, to make sure
# we're within the repository for the git commands.
cd "$(dirname "${BASH_SOURCE[0]}")"

# Create a temporary directory, and set up cleanup after exit.
PREPTEMP="$(mktemp -d)"
function cleanup() {
  rm -rf "$PREPTEMP"
}
trap cleanup EXIT

# Clone dev-env-next branch, from GitHub, using the local repository
# as reference.
echo "Checking out 'dev-env-next'..."
echo "------------------------------"
git clone --depth 1 --branch dev-env-next \
  --reference "$(git rev-parse --show-toplevel)" \
  "git@github.com:DACH-NY/da" \
  "$PREPTEMP/da"
cd "$PREPTEMP/da"
source dev-env/profile_bash.sh

# Run dade-init to upgrade Nix if needed.
echo
echo "Running dade-init..."
echo "--------------------"
dade-init

# Run dade-preload to pull all dev-env tools.
echo
echo "Running dade-preload..."
echo "-----------------------"
dade-preload