package ssh

import (
	"fmt"
	"os"
	"os/exec"
	"syscall"
)

// Exec replaces the current process with the native ssh client via syscall.Exec.
// All existing SSH configs, keys, and agent forwarding remain intact.
func Exec(args []string) error { return SSH.Exec(args) }

// Exec replaces the current process with the client's binary.
func (c Client) Exec(args []string) error {
	path, err := exec.LookPath(c.Name)
	if err != nil {
		return fmt.Errorf("%s not found in PATH: %w", c.Name, err)
	}
	argv := append([]string{c.Name}, args...)
	return syscall.Exec(path, argv, os.Environ())
}