makefile: fix check-fmt target (#327)

Makefile

@@ -32,7 +32,10 @@ vet:
 
 .PHONY: check-fmt
 check-fmt:
-	@sh -c 'if [ -n "$(go fmt -mod=vendor ./...)" ]; then echo "Go code is not formatted"; exit 1; fi'
+	@if [ $$(go fmt -mod=vendor ./...) ]; then\
+		echo "Go code is not formatted";\
+		exit 1;\
+	fi
 
 .PHONY: mock
 mock:

command/mv.go

@@ -64,7 +64,6 @@ var moveCommand = &cli.Command{
 			cacheControl:     c.String("cache-control"),
 			expires:          c.String("expires"),
 
-
 			storageOpts: NewStorageOpts(c),
 		}
 

storage/storage.go

@@ -48,13 +48,13 @@ func NewLocalClient(opts Options) *Filesystem {
 
 func NewRemoteClient(ctx context.Context, url *url.URL, opts Options) (*S3, error) {
 	newOpts := Options{
-		MaxRetries:  opts.MaxRetries,
-		Endpoint:    opts.Endpoint,
-		NoVerifySSL: opts.NoVerifySSL,
-		DryRun:      opts.DryRun,
+		MaxRetries:    opts.MaxRetries,
+		Endpoint:      opts.Endpoint,
+		NoVerifySSL:   opts.NoVerifySSL,
+		DryRun:        opts.DryRun,
 		NoSignRequest: opts.NoSignRequest,
-		bucket:      url.Bucket,
-		region:      opts.region,
+		bucket:        url.Bucket,
+		region:        opts.region,
 	}
 	return newS3Storage(ctx, newOpts)
 }
@@ -68,13 +68,13 @@ func NewClient(ctx context.Context, url *url.URL, opts Options) (Storage, error)
 
 // Options stores configuration for storage.
 type Options struct {
-	MaxRetries  int
-	Endpoint    string
-	NoVerifySSL bool
-	DryRun      bool
+	MaxRetries    int
+	Endpoint      string
+	NoVerifySSL   bool
+	DryRun        bool
 	NoSignRequest bool
-	bucket      string
-	region      string
+	bucket        string
+	region        string
 }
 
 func (o *Options) SetRegion(region string) {