#!/usr/bin/env bash
# Launch OpenCode 2 with an isolated config so it cannot rewrite
# ~/.config/opencode/opencode.json (OpenCode 1 / firstmate).
set -euo pipefail

bin="${OPENCODE2_BIN:-/opt/homebrew/bin/opencode2}"
cfg="${OPENCODE_CONFIG:-$HOME/.config/opencode2/opencode.json}"

if [ ! -x "$bin" ]; then
  echo "oc2: opencode2 not installed. Rebuild, or run:" >&2
  echo "  /opt/homebrew/bin/npm install -g --allow-scripts=@opencode-ai/cli @opencode-ai/cli@beta" >&2
  exit 1
fi
if [ ! -e "$cfg" ]; then
  echo "oc2: missing config $cfg (managed by home.nix)" >&2
  exit 1
fi

export OPENCODE_CONFIG="$cfg"
exec "$bin" "$@"