Fix CLI hanging with certain commands (#1730)

Author: jribbink

cmd/flow/main.go

@@ -20,6 +20,8 @@
 package main
 
 import (
+	"syscall"
+
 	"github.com/spf13/cobra"
 
 	"github.com/onflow/flow-cli/internal/accounts"
@@ -129,4 +131,10 @@ func main() {
 	if err := cmd.Execute(); err != nil {
 		util.Exit(1, err.Error())
 	}
+
+	// We are using a syscall because there is some dependency related to
+	// connecting to the network that is not being closed properly.  This
+	// issue appeared with Go 1.23.1, but was not present in Go 1.22.
+	// It looks like this may be GRPC related from the stack trace.
+	syscall.Exit(command.StatusCode)
 }

internal/command/command.go

@@ -89,6 +89,8 @@ const (
 	logLevelNone  = "none"
 )
 
+var StatusCode = 0
+
 // AddToParent add new command to main parent cmd
 // and initializes all necessary things as well as take care of errors and output
 // here we can do all boilerplate code that is else copied in each command and make sure
@@ -171,7 +173,8 @@ func (c Command) AddToParent(parent *cobra.Command) {
 		if res, ok := result.(ResultWithExitCode); ok {
 			exitCode = res.ExitCode()
 		}
-		os.Exit(exitCode)
+
+		StatusCode = exitCode
 	}
 
 	bindFlags(c)