func run(sleep time.Duration, path string, command string, args ...string) {
fmt.Println("[Installer] Running: ", command, args)
cmd := executil.Command(command, args...)
cmd.OutputPrefix = command
err := cmd.StartAndWait()
if err != nil {
fmt.Println(err)
}
if sleep != 0 {
fmt.Printf("[Installer] Sleeping: %s for %f seconds \n", command, sleep.Seconds())
time.Sleep(sleep)
}
}
func main() {
// Check for our command line configuration flags
var (
versionUsage = "Prints current version" + " (v. " + Version + ")"
versionPtr = flag.Bool("version", false, versionUsage)
)
// Set up short hand flags
flag.BoolVar(versionPtr, "v", false, versionUsage+" (shorthand)")
flag.Parse()
if *versionPtr {
fmt.Println(Version)
os.Exit(0)
}
// usage description
usage := "protogen /path/to/myService.proto"
options := "--version (-v)"
optionsDesc := versionUsage
// Create help message with usage messaging
helpMessage := fmt.Sprintf(bold("USAGE:")+"\n%s%v", space, usage)
// Break between messages
helpMessage += br
// Add options messaging
helpMessage += fmt.Sprintf(bold("OPTIONS:")+"\n%v\n%s%v", options, space, optionsDesc)
// Check arg for appname to load
if len(os.Args) != 2 {
fmt.Println(helpMessage)
os.Exit(0)
}
protoPath := os.Args[1]
// run protoc command (protoc --go_out=plugins=grpc:. $proto)
cmd := executil.Command("protoc", "--go_out=plugins=grpc:.", protoPath)
cmd.OutputPrefix = "protoc"
err := cmd.StartAndWait()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(bold("SUCCESS: ") + protoPath + " pb.go successfully created.")
}