#!/usr/bin/env bash
# Sync production checkout to the deploy branch tip (used by deploy webhook + CI over SSH).
set -euo pipefail

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$repo_root"

branch="${DEPLOY_BRANCH:-main}"
remote="${DEPLOY_GIT_REMOTE:-origin}"

if [[ ! -d .git ]]; then
  echo "[git-sync-deploy] ERROR: ${repo_root} is not a git repository" >&2
  exit 1
fi

echo "[git-sync-deploy] fetching ${remote}/${branch}..."
git fetch "$remote" "$branch"
git checkout "$branch"
git reset --hard "${remote}/${branch}"
echo "[git-sync-deploy] at $(git rev-parse --short HEAD) ($(git log -1 --format='%s'))"