Add fileutil function

cmd/sidecar/init.go

@@ -6,10 +6,10 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/meshplus/bitxhub-kit/fileutil"
 	"github.com/urfave/cli"
 
 	"github.com/link33/sidecar/internal/repo"
+	"github.com/link33/sidecar/tool"
 )
 
 var initCMD = cli.Command{
@@ -21,7 +21,7 @@ var initCMD = cli.Command{
 			return err
 		}
 
-		if fileutil.Exist(filepath.Join(repoRoot, repo.ConfigName)) {
+		if tool.Exist(filepath.Join(repoRoot, repo.ConfigName)) {
 			fmt.Println("sidecar configuration file already exists")
 			fmt.Println("reinitializing would overwrite your configuration, Y/N?")
 			input := bufio.NewScanner(os.Stdin)

hub/client/config.go

@@ -5,9 +5,9 @@ import (
 	"time"
 
 	"github.com/meshplus/bitxhub-kit/crypto"
-	"github.com/meshplus/bitxhub-kit/fileutil"
 
 	"github.com/link33/sidecar/pkg/log"
+	"github.com/link33/sidecar/tool"
 )
 
 const (
@@ -95,7 +95,7 @@ func checkConfig(config *config) error {
 	// if EnableTLS is set, then tls certs must be provided
 	for _, nodeInfo := range config.nodesInfo {
 		if nodeInfo.EnableTLS {
-			if !fileutil.Exist(nodeInfo.CertPath) {
+			if !tool.Exist(nodeInfo.CertPath) {
 				return fmt.Errorf("ca cert file %s is not found while tls is enabled", nodeInfo.CertPath)
 			}
 		}

internal/repo/config.go

@@ -5,8 +5,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/meshplus/bitxhub-kit/fileutil"
 	"github.com/spf13/viper"
+
+	"github.com/link33/sidecar/tool"
 )
 
 const (
@@ -135,7 +136,7 @@ func DefaultConfig() *Config {
 func UnmarshalConfig(repoRoot string) (*Config, error) {
 	configPath := filepath.Join(repoRoot, ConfigName)
 
-	if !fileutil.Exist(configPath) {
+	if !tool.Exist(configPath) {
 		return nil, fmt.Errorf("file %s doesn't exist, please initialize sidecar firstly", configPath)
 	}
 

tool/tool.go

 package tool
 
+import "os"
+
 func Asset(err error) {
 	if err != nil {
 		panic(err)
 	}
 }
+
+// Exist check if the file with the given path exits.
+func Exist(path string) bool {
+	fi, err := os.Lstat(path)
+	if fi != nil || (err != nil && !os.IsNotExist(err)) {
+		return true
+	}
+
+	return false
+}