#!/usr/bin/env bash
set -euo pipefail

migrate_path() {
  local source="$1"
  local destination="$2"
  if [[ ! -e "$source" ]]; then
    return
  fi
  if [[ -e "$destination" ]]; then
    printf 'refusing to overwrite existing destination: %s\n' "$destination" >&2
    exit 1
  fi
  mv -- "$source" "$destination"
  printf 'migrated %s -> %s\n' "$source" "$destination"
}

migrate_path "${HOME}/.disasmer" "${HOME}/.clusterflux"
migrate_path "${XDG_CONFIG_HOME:-${HOME}/.config}/disasmer" \
  "${XDG_CONFIG_HOME:-${HOME}/.config}/clusterflux"
migrate_path "${PWD}/.disasmer" "${PWD}/.clusterflux"
migrate_path "${PWD}/disasmer.toml" "${PWD}/clusterflux.toml"