func (gcmd *command) toExecCmd() (cmd *exec.Cmd, err error) {
cmd = exec.Command(gcmd.executable, gcmd.argv...)
if gcmd.wd != "" {
cmd.Dir = gcmd.wd
}
cmd.Env = effectiveEnv(gcmd.env)
cmd.Stdin = os.Stdin
if gcmd.captureOutput {
outWrapper := newFileWrapper(os.Stdout, &gcmd.recorder, "")
errWrapper := newFileWrapper(os.Stderr, &gcmd.recorder, ansi.ColorCode("red+b"))
cmd.Stdout = outWrapper
cmd.Stderr = errWrapper
} else {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
if verbose {
if Env != "" {
util.Debug("#", "Env: %s\n", Env)
}
util.Debug("#", "%s\n", gcmd.commandstr)
}
return cmd, nil
}
func newFileWrapper(file *os.File, recorder *bytes.Buffer, color string) *fileWrapper {
streamer := &fileWrapper{
file: file,
buf: bytes.NewBuffer([]byte("")),
recorder: recorder,
colorReset: ansi.ColorCode("reset"),
colorStart: color,
}
return streamer
}