package main
import (
"context"
"fmt"
"github.com/marcsauter/single"
"os"
"syscall"
"time"
"log"
)
func main() {
s := single.New("updater")
if err := s.CheckLock(); err != nil && err == single.ErrAlreadyRunning {
log.Info("another instance of the app is already running, exiting")
} else if err != nil {
// Another error occurred, might be worth handling it as well
log.Warn("failed to acquire exclusive app lock: %v", err)
}
defer s.TryUnlock()
}