func OutCmd(cmd string, args ...string) func(args ...string) (string, error) {
	return func(args2 ...string) (string, error) {
		return Output(cmd, append(args, args2...)...)
	}
}
OutCmd is like RunCmd except the command returns the output of the
command.
package sh
import (
	"bytes"
	"fmt"
	"io"
	"log"
	"os"
	"os/exec"
	"strings"
	"github.com/magefile/mage/mg"
)
func RunCmd(cmd string, args ...string) func(args ...string) error {
	return func(args2 ...string) error {
		return Run(cmd, append(args, args2...)...)
	}
}