replace pkg/errors from vendor

Signed-off-by: Zou Nengren <zouyee1989@gmail.com>

channel.go

@@ -19,11 +19,11 @@ package ttrpc
 import (
 	"bufio"
 	"encoding/binary"
+	"fmt"
 	"io"
 	"net"
 	"sync"
 
-	"github.com/pkg/errors"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -105,15 +105,15 @@ func (ch *channel) recv() (messageHeader, []byte, error) {
 
 	if mh.Length > uint32(messageLengthMax) {
 		if _, err := ch.br.Discard(int(mh.Length)); err != nil {
-			return mh, nil, errors.Wrapf(err, "failed to discard after receiving oversized message")
+			return mh, nil, fmt.Errorf("failed to discard after receiving oversized message: %w", err)
 		}
 
 		return mh, nil, status.Errorf(codes.ResourceExhausted, "message length %v exceed maximum message size of %v", mh.Length, messageLengthMax)
 	}
 
 	p := ch.getmbuf(int(mh.Length))
 	if _, err := io.ReadFull(ch.br, p); err != nil {
-		return messageHeader{}, nil, errors.Wrapf(err, "failed reading message")
+		return messageHeader{}, nil, fmt.Errorf("failed reading message: %w", err)
 	}
 
 	return mh, p, nil

channel_test.go

@@ -18,12 +18,12 @@ package ttrpc
 
 import (
 	"bytes"
+	"errors"
 	"io"
 	"net"
 	"reflect"
 	"testing"
 
-	"github.com/pkg/errors"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -56,7 +56,7 @@ func TestReadWriteMessage(t *testing.T) {
 	for {
 		_, p, err := rch.recv()
 		if err != nil {
-			if errors.Cause(err) != io.EOF {
+			if !errors.Is(err, io.EOF) {
 				t.Fatal(err)
 			}
 

client.go

@@ -18,6 +18,7 @@ package ttrpc
 
 import (
 	"context"
+	"errors"
 	"io"
 	"net"
 	"os"
@@ -27,7 +28,6 @@ import (
 	"time"
 
 	"github.com/gogo/protobuf/proto"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -347,7 +347,7 @@ func filterCloseErr(err error) error {
 		return nil
 	case err == io.EOF:
 		return ErrClosed
-	case errors.Cause(err) == io.EOF:
+	case errors.Is(err, io.EOF):
 		return ErrClosed
 	case strings.Contains(err.Error(), "use of closed network connection"):
 		return ErrClosed

codec.go

@@ -17,8 +17,9 @@
 package ttrpc
 
 import (
+	"fmt"
+
 	"github.com/gogo/protobuf/proto"
-	"github.com/pkg/errors"
 )
 
 type codec struct{}
@@ -28,7 +29,7 @@ func (c codec) Marshal(msg interface{}) ([]byte, error) {
 	case proto.Message:
 		return proto.Marshal(v)
 	default:
-		return nil, errors.Errorf("ttrpc: cannot marshal unknown type: %T", msg)
+		return nil, fmt.Errorf("ttrpc: cannot marshal unknown type: %T", msg)
 	}
 }
 
@@ -37,6 +38,6 @@ func (c codec) Unmarshal(p []byte, msg interface{}) error {
 	case proto.Message:
 		return proto.Unmarshal(p, v)
 	default:
-		return errors.Errorf("ttrpc: cannot unmarshal into unknown type: %T", msg)
+		return fmt.Errorf("ttrpc: cannot unmarshal into unknown type: %T", msg)
 	}
 }

config.go

@@ -16,7 +16,7 @@
 
 package ttrpc
 
-import "github.com/pkg/errors"
+import "errors"
 
 type serverConfig struct {
 	handshaker  Handshaker

go.mod

@@ -4,9 +4,8 @@ go 1.13
 
 require (
 	github.com/gogo/protobuf v1.3.2
-	github.com/pkg/errors v0.9.1
 	github.com/prometheus/procfs v0.6.0
-	github.com/sirupsen/logrus v1.7.0
+	github.com/sirupsen/logrus v1.8.1
 	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
 	google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63
 	google.golang.org/grpc v1.27.1

go.sum

@@ -20,15 +20,13 @@ github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/procfs v0.6.0 h1:mxy4L2jP6qMonqmq+aTtOx1ifVWUgG/TAmntgbh3xv4=
 github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
-github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
-github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
+github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

server.go

@@ -18,14 +18,14 @@ package ttrpc
 
 import (
 	"context"
+	"errors"
 	"io"
 	"math/rand"
 	"net"
 	"sync"
 	"sync/atomic"
 	"time"
 
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"

server_test.go

@@ -18,6 +18,7 @@ package ttrpc
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net"
 	"reflect"
@@ -28,7 +29,6 @@ import (
 	"time"
 
 	"github.com/gogo/protobuf/proto"
-	"github.com/pkg/errors"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -361,8 +361,8 @@ func TestClientEOF(t *testing.T) {
 	// server shutdown, but we still make a call.
 	if err := client.Call(ctx, serviceName, "Test", tp, tp); err == nil {
 		t.Fatalf("expected error when calling against shutdown server")
-	} else if errors.Cause(err) != ErrClosed {
-		t.Fatalf("expected to have a cause of ErrClosed, got %v", errors.Cause(err))
+	} else if !errors.Is(err, ErrClosed) {
+		t.Fatalf("expected to have a cause of ErrClosed, got %v", err)
 	}
 }
 

services.go

@@ -18,13 +18,14 @@ package ttrpc
 
 import (
 	"context"
+	"errors"
+	"fmt"
 	"io"
 	"os"
 	"path"
 	"unsafe"
 
 	"github.com/gogo/protobuf/proto"
-	"github.com/pkg/errors"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -51,7 +52,7 @@ func newServiceSet(interceptor UnaryServerInterceptor) *serviceSet {
 
 func (s *serviceSet) register(name string, methods map[string]Method) {
 	if _, ok := s.services[name]; ok {
-		panic(errors.Errorf("duplicate service %v registered", name))
+		panic(fmt.Errorf("duplicate service %v registered", name))
 	}
 
 	s.services[name] = ServiceDesc{

unixcreds_linux.go

@@ -18,11 +18,12 @@ package ttrpc
 
 import (
 	"context"
+	"errors"
+	"fmt"
 	"net"
 	"os"
 	"syscall"
 
-	"github.com/pkg/errors"
 	"golang.org/x/sys/unix"
 )
 
@@ -31,12 +32,12 @@ type UnixCredentialsFunc func(*unix.Ucred) error
 func (fn UnixCredentialsFunc) Handshake(ctx context.Context, conn net.Conn) (net.Conn, interface{}, error) {
 	uc, err := requireUnixSocket(conn)
 	if err != nil {
-		return nil, nil, errors.Wrap(err, "ttrpc.UnixCredentialsFunc: require unix socket")
+		return nil, nil, fmt.Errorf("ttrpc.UnixCredentialsFunc: require unix socket: %w", err)
 	}
 
 	rs, err := uc.SyscallConn()
 	if err != nil {
-		return nil, nil, errors.Wrap(err, "ttrpc.UnixCredentialsFunc: (net.UnixConn).SyscallConn failed")
+		return nil, nil, fmt.Errorf("ttrpc.UnixCredentialsFunc: (net.UnixConn).SyscallConn failed: %w", err)
 	}
 	var (
 		ucred    *unix.Ucred
@@ -45,15 +46,15 @@ func (fn UnixCredentialsFunc) Handshake(ctx context.Context, conn net.Conn) (net
 	if err := rs.Control(func(fd uintptr) {
 		ucred, ucredErr = unix.GetsockoptUcred(int(fd), unix.SOL_SOCKET, unix.SO_PEERCRED)
 	}); err != nil {
-		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: (*syscall.RawConn).Control failed")
+		return nil, nil, fmt.Errorf("ttrpc.UnixCredentialsFunc: (*syscall.RawConn).Control failed: %w", err)
 	}
 
 	if ucredErr != nil {
-		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: failed to retrieve socket peer credentials")
+		return nil, nil, fmt.Errorf("ttrpc.UnixCredentialsFunc: failed to retrieve socket peer credentials: %w", err)
 	}
 
 	if err := fn(ucred); err != nil {
-		return nil, nil, errors.Wrapf(err, "ttrpc.UnixCredentialsFunc: credential check failed")
+		return nil, nil, fmt.Errorf("ttrpc.UnixCredentialsFunc: credential check failed: %w", err)
 	}
 
 	return uc, ucred, nil
@@ -93,7 +94,7 @@ func requireRoot(ucred *unix.Ucred) error {
 
 func requireUidGid(ucred *unix.Ucred, uid, gid int) error {
 	if (uid != -1 && uint32(uid) != ucred.Uid) || (gid != -1 && uint32(gid) != ucred.Gid) {
-		return errors.Wrap(syscall.EPERM, "ttrpc: invalid credentials")
+		return fmt.Errorf("ttrpc: invalid credentials: %v", syscall.EPERM)
 	}
 	return nil
 }