From c1fd48a14bc83e237e1de8cb44e833ac6ff3584e Mon Sep 17 00:00:00 2001
From: Phi <orjan.roren@gmail.com>
Date: Mon, 21 Aug 2023 09:10:47 +0200
Subject: [PATCH] Make `lotus wallet import` respect sigint

Make `lotus wallet import` respect sigint
---
 cli/wallet.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/cli/wallet.go b/cli/wallet.go
index 61946a463..8d44d3ef2 100644
--- a/cli/wallet.go
+++ b/cli/wallet.go
@@ -7,7 +7,9 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"os/signal"
 	"strings"
+	"syscall"
 
 	"github.com/urfave/cli/v2"
 	"golang.org/x/term"
@@ -335,6 +337,20 @@ var walletImport = &cli.Command{
 		if !cctx.Args().Present() || cctx.Args().First() == "-" {
 			if term.IsTerminal(int(os.Stdin.Fd())) {
 				fmt.Print("Enter private key(not display in the terminal): ")
+
+				// Create a channel to receive OS signals
+				sigCh := make(chan os.Signal, 1)
+				// Notify the channel when SIGINT is received
+				signal.Notify(sigCh, syscall.SIGINT)
+
+				go func() {
+					// Wait for SIGINT signal
+					<-sigCh
+					// Perform cleanup or other actions as needed
+					fmt.Println("\nInterrupt signal received. Exiting...")
+					os.Exit(1)
+				}()
+
 				inpdata, err = term.ReadPassword(int(os.Stdin.Fd()))
 				if err != nil {
 					return err