#!/usr/bin/env bash

set -euo pipefail

REPO_ROOT="$(git rev-parse --show-toplevel 2>/dev/null || true)"

if [[ -z "$REPO_ROOT" ]]; then
  echo "Not inside a git repository" >&2
  exit 1
fi

if [[ "$(pwd)" != "$REPO_ROOT" ]]; then
  echo "Run this script from the repo root" >&2
  exit 1
fi

mapfile -t status_lines < <(git status --porcelain=v1 --untracked-files=all)

for line in "${status_lines[@]}"; do
  path="${line:3}"
  if [[ "$path" != "codex_context.yaml" ]]; then
    echo "Refusing to sync: only codex_context.yaml may be changed" >&2
    exit 1
  fi
done

git pull --rebase

if git diff --quiet -- codex_context.yaml && git diff --cached --quiet -- codex_context.yaml; then
  echo "No context changes to sync"
  exit 0
fi

python3 -c "import yaml; yaml.safe_load(open('codex_context.yaml'))"
git add codex_context.yaml
git commit -m "update shared context"
git push