func Shell2(env Env, dir, shellScript string, show bool) error {
cmd := exec.Command("sh", "-v")
cmd.Dir = dir
if env != nil {
//println(fmt.Sprintf("%#v\n", env.Environ()))
cmd.Env = env.Environ()
}
shellScript = "env | grep CGO 1>&2\nset -x\n" + shellScript
PrintScript(dir, env, shellScript)
cmd.Stdin = bytes.NewBufferString(shellScript)
if show {
stderr, err := cmd.StderrPipe()
if err != nil {
return err
}
stdout, err := cmd.StdoutPipe()
if err != nil {
return err
}
if err = cmd.Start(); err != nil {
return err
}
// Build tool cannot write anything to stdout, other than the result directory at the end
shell := "sh"
io.Copy(os.Stderr, iomisc.Combine(iomisc.PrefixReader(shell+"/err| ", stderr), iomisc.PrefixReader(shell+"/out| ", stdout)))
}
return cmd.Wait()
}
func ForwardStderr(prefix string, stderr io.Reader) {
go func() {
io.Copy(os.Stderr, iomisc.PrefixReader(prefix+"/err| ", stderr))
}()
}
func ForwardCombined(prefix string, stderr, stdout io.Reader) {
go func() {
io.Copy(os.Stderr, iomisc.Combine(iomisc.PrefixReader(prefix+"/err| ", stderr), iomisc.PrefixReader(prefix+"/out| ", stdout)))
}()
}