#!/usr/bin/env bash
# Bootstrap this machine. Picks the host layer by hostname; refuses rather than
# guessing if there isn't one, because a silent fallback to "base only" looks
# like success and leaves half the machine unconfigured.
set -euo pipefail

BASEDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
DOTBOT_DIR="dotbot"
DOTBOT_BIN="bin/dotbot"
HOST="${DOTFILES_HOST:-$(hostname | tr '[:upper:]' '[:lower:]')}"
HOSTCONF="meta/hosts/${HOST}.conf.yaml"

cd "${BASEDIR}"

if [[ ! -f "${HOSTCONF}" ]]; then
  echo "install: no host config for '${HOST}'." >&2
  echo "         expected ${HOSTCONF}" >&2
  echo "         known hosts: $(ls meta/hosts/ | sed 's/\.conf\.yaml//' | tr '\n' ' ')" >&2
  echo "         for a new machine, copy the closest one and edit." >&2
  exit 1
fi

git submodule update --init --recursive "${DOTBOT_DIR}"

echo "==> base"
"${DOTBOT_DIR}/${DOTBOT_BIN}" -d "${BASEDIR}" -c meta/base.conf.yaml "${@}"
echo "==> host: ${HOST}"
"${DOTBOT_DIR}/${DOTBOT_BIN}" -d "${BASEDIR}" -c "${HOSTCONF}" "${@}"

if [[ ! -r "${HOME}/.secrets.zsh" ]]; then
  echo
  echo "note: ~/.secrets.zsh does not exist yet."
  echo "      cp common/zsh/secrets.zsh.example ~/.secrets.zsh && chmod 600 ~/.secrets.zsh"
fi
if [[ -d "hosts/${HOST}/sbin" ]] && [[ -n "$(ls -A "hosts/${HOST}/sbin" 2>/dev/null)" ]]; then
  echo
  echo "note: this host has system scripts needing root:"
  echo "      sudo install -m755 hosts/${HOST}/sbin/* /usr/local/bin/"
fi