func main() {
name := path.Base(os.Args[0])
pwd, err := os.Getwd()
if err != nil {
os.Stderr.WriteString(colors.Error + name + ": failed to determine present working directory!" + colors.Reset + "\n")
}
g := goop.NewGoop(path.Join(pwd), os.Stdin, os.Stdout, os.Stderr)
if len(os.Args) < 2 {
printUsage()
}
cmd := os.Args[1]
switch cmd {
case "help":
printUsage()
case "install":
err = g.Install()
case "update":
err = g.Update()
case "exec":
if len(os.Args) < 3 {
printUsage()
}
err = g.Exec(os.Args[2], os.Args[3:]...)
case "go":
if len(os.Args) < 3 {
printUsage()
}
err = g.Exec("go", os.Args[2:]...)
case "env":
g.PrintEnv()
default:
err = errors.New(`unrecognized command "` + cmd + `"`)
}
if err != nil {
errMsg := err.Error()
code := 1
// go does not provide a cross-platform way to get exit status, so inspect error message instead
// https://code.google.com/p/go/source/browse/src/pkg/os/exec_posix.go#119
if strings.HasPrefix(errMsg, "exit status ") {
code, err = strconv.Atoi(errMsg[len("exit status "):])
if err != nil {
code = 1
}
errMsg = "Command failed with " + errMsg
}
os.Stderr.WriteString(colors.Error + name + ": " + errMsg + colors.Reset + "\n")
os.Exit(code)
}
}
func main() {
name := path.Base(os.Args[0])
pwd, err := os.Getwd()
if err != nil {
handleNoWorkingDirError(name)
}
g := goop.NewGoop(path.Join(pwd), os.Stdin, os.Stdout, os.Stderr)
if len(os.Args) < 2 {
printUsage()
}
cmd := os.Args[1]
err = executeCommand(cmd, err)
if err != nil {
handleExecutionError(err)
}
}