travis: check go1.13

.travis.yml

@@ -1,6 +1,7 @@
 language: go
 go:
   - 1.12.x
+  - 1.13.x
 sudo: false
 install:
   - go get -v github.com/golangci/golangci-lint/cmd/golangci-lint

inidb/inidb.go

@@ -60,7 +60,6 @@ func New(filename string, create bool, depth int) (*INIDB, error) {
 			return nil, fmt.Errorf("could not create directory: %v",
 				err)
 		}
-
 	} else if err != nil {
 		return nil, fmt.Errorf("could not create lock %v: %v",
 			path.Dir(filename), err)

ratchet/ratchet_test.go

@@ -142,7 +142,6 @@ func reinitRatchet(t *testing.T, r *Ratchet) *Ratchet {
 	}
 
 	return newR
-
 }
 
 func testScript(t *testing.T, script []scriptAction) {

tools/tools.go

@@ -71,7 +71,7 @@ func Fingerprint(blob []byte) string {
 	d := sha256.New()
 	d.Write(blob)
 	digest := d.Sum(nil)
-	return hex.EncodeToString(digest[:])
+	return hex.EncodeToString(digest)
 }
 
 func FingerprintDER(c tls.Certificate) string {
@@ -92,5 +92,4 @@ func InFours(x string) (string, error) {
 		x[4:8],
 		x[8:12],
 		x[12:16]), nil
-
 }

zkclient/identity.go

@@ -55,9 +55,7 @@ func (z *ZKC) ratchetExists(id [zkidentity.IdentitySize]byte) bool {
 	return err == nil
 }
 
-func (z *ZKC) removeRatchet(id [zkidentity.IdentitySize]byte,
-	half bool) error {
-
+func (z *ZKC) removeRatchet(id [zkidentity.IdentitySize]byte, half bool) error {
 	var rf string
 	if half {
 		rf = halfRatchetFilename

zkclient/msg.go

@@ -205,7 +205,6 @@ func (z *ZKC) queueDepth() (*queueDepth, error) {
 }
 
 func (z *ZKC) scheduleCRPCCB(hi bool, id *[zkidentity.IdentitySize]byte, payload interface{}, f func()) {
-
 	m := wireMsg{
 		id:       id,
 		payload:  payload,
@@ -222,7 +221,6 @@ func (z *ZKC) scheduleCRPCCB(hi bool, id *[zkidentity.IdentitySize]byte, payload
 }
 
 func (z *ZKC) scheduleCRPC(hi bool, id *[zkidentity.IdentitySize]byte, payload interface{}) {
-
 	m := wireMsg{
 		id:      id,
 		payload: payload,

zkclient/push.go

@@ -1275,7 +1275,6 @@ func (z *ZKC) handleGroupMessage(msg rpc.Message, p rpc.Push,
 		s = gm.Message[:x] + MAGENTABOLD +
 			gm.Message[x:x+len(z.id.Public.Nick)] + RESET +
 			gm.Message[x+len(z.id.Public.Nick):]
-
 	}
 
 	var n string

zkserver/rendezvous.go

@@ -213,5 +213,4 @@ bad:
 	reply.Payload = payload
 	writer <- &reply
 	return nil
-
 }

zkserver/zkserver.go

@@ -581,7 +581,6 @@ func (z *ZKS) handleSession(kx *session.KX) error {
 
 		default:
 			return fmt.Errorf("invalid message: %v", message)
-
 		}
 
 		tagBitmap[message.Tag] = false