Add error handling for when connection to socket fails

cmd/signald-cli/cmd/root.go

@@ -17,6 +17,7 @@ package cmd
 
 import (
 	"fmt"
+	"log"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -50,7 +51,11 @@ func init() {
 	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.signald-cli.yaml)")
 	RootCmd.PersistentFlags().StringVarP(&socketPath, "socket", "s", "/var/run/signald/signald.sock", "the path to the signald socket file")
 	s = &signald.Signald{SocketPath: socketPath}
-	s.Connect()
+	err := s.Connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+
 }
 
 // initConfig reads in config file and ENV variables if set.