// Copyright 2017 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build !cov
// +build !cov

package e2e

import (
	"os"
	"strings"

	"go.etcd.io/etcd/pkg/expect"
)

const noOutputLineCount = 0 // regular binaries emit no extra lines

func spawnCmd(args []string) (*expect.ExpectProcess, error) {
	env := os.Environ()
	switch {
	case strings.HasSuffix(args[0], ctlBinPath+"2"):
		env = append(env, "ETCDCTL_API=2")
		args[0] = ctlBinPath
	case strings.HasSuffix(args[0], ctlBinPath+"3"):
		env = append(env, "ETCDCTL_API=3")
		args[0] = ctlBinPath
	}
	return expect.NewExpectWithEnv(args[0], args[1:], env)
}