luet/pkg/api/client/utils/sh.go

package utils

import (
	"log"
	"os"
	"os/exec"
	"strings"
)

func RunSHOUT(stepName, bashFragment string) ([]byte, error) {
	cmd := exec.Command("sh", "-s")
	cmd.Stdin = strings.NewReader(bashWrap(bashFragment))

	cmd.Env = os.Environ()
	//	log.Printf("Running in background: %v", stepName)

	return cmd.CombinedOutput()
}

func RunSH(stepName, bashFragment string) error {
	cmd := exec.Command("sh", "-s")
	cmd.Stdin = strings.NewReader(bashWrap(bashFragment))
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	cmd.Env = os.Environ()
	log.Printf("Running: %v (%v)", stepName, bashFragment)

	return cmd.Run()
}

func bashWrap(cmd string) string {
	return `
set -o errexit
set -o nounset
` + cmd + `
`
}