replace pkg/errors

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

fifo.go

@@ -20,13 +20,13 @@ package fifo
 
 import (
 	"context"
+	"fmt"
 	"io"
 	"os"
 	"runtime"
 	"sync"
 	"syscall"
 
-	"github.com/pkg/errors"
 	"golang.org/x/sys/unix"
 )
 
@@ -48,12 +48,12 @@ var leakCheckWg *sync.WaitGroup
 func OpenFifoDup2(ctx context.Context, fn string, flag int, perm os.FileMode, fd int) (io.ReadWriteCloser, error) {
 	f, err := openFifo(ctx, fn, flag, perm)
 	if err != nil {
-		return nil, errors.Wrap(err, "fifo error")
+		return nil, fmt.Errorf("fifo error: %w", err)
 	}
 
 	if err := unix.Dup2(int(f.file.Fd()), fd); err != nil {
 		_ = f.Close()
-		return nil, errors.Wrap(err, "dup2 error")
+		return nil, fmt.Errorf("dup2 error: %w", err)
 	}
 
 	return f, nil
@@ -77,7 +77,7 @@ func openFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (*fifo
 	if _, err := os.Stat(fn); err != nil {
 		if os.IsNotExist(err) && flag&syscall.O_CREAT != 0 {
 			if err := syscall.Mkfifo(fn, uint32(perm&os.ModePerm)); err != nil && !os.IsExist(err) {
-				return nil, errors.Wrapf(err, "error creating fifo %v", fn)
+				return nil, fmt.Errorf("error creating fifo %v: %w", fn, err)
 			}
 		} else {
 			return nil, err
@@ -138,7 +138,7 @@ func openFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (*fifo
 				case <-ctx.Done():
 					err = ctx.Err()
 				default:
-					err = errors.Errorf("fifo %v was closed before opening", h.Name())
+					err = fmt.Errorf("fifo %v was closed before opening", h.Name())
 				}
 				if file != nil {
 					file.Close()

go.mod

@@ -3,7 +3,6 @@ module github.com/containerd/fifo
 go 1.13
 
 require (
-	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
 	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
 )

go.sum

@@ -1,7 +1,5 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-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/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

handle_linux.go

@@ -23,8 +23,6 @@ import (
 	"os"
 	"sync"
 	"syscall"
-
-	"github.com/pkg/errors"
 )
 
 //nolint:golint
@@ -42,7 +40,7 @@ type handle struct {
 func getHandle(fn string) (*handle, error) {
 	f, err := os.OpenFile(fn, O_PATH, 0)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to open %v with O_PATH", fn)
+		return nil, fmt.Errorf("failed to open %v with O_PATH: %w", fn, err)
 	}
 
 	var (
@@ -51,7 +49,7 @@ func getHandle(fn string) (*handle, error) {
 	)
 	if err := syscall.Fstat(int(fd), &stat); err != nil {
 		f.Close()
-		return nil, errors.Wrapf(err, "failed to stat handle %v", fd)
+		return nil, fmt.Errorf("failed to stat handle %v: %w", fd, err)
 	}
 
 	h := &handle{
@@ -66,7 +64,7 @@ func getHandle(fn string) (*handle, error) {
 	// check /proc just in case
 	if _, err := os.Stat(h.procPath()); err != nil {
 		f.Close()
-		return nil, errors.Wrapf(err, "couldn't stat %v", h.procPath())
+		return nil, fmt.Errorf("couldn't stat %v: %w", h.procPath(), err)
 	}
 
 	return h, nil
@@ -83,11 +81,11 @@ func (h *handle) Name() string {
 func (h *handle) Path() (string, error) {
 	var stat syscall.Stat_t
 	if err := syscall.Stat(h.procPath(), &stat); err != nil {
-		return "", errors.Wrapf(err, "path %v could not be statted", h.procPath())
+		return "", fmt.Errorf("path %v could not be statted: %w", h.procPath(), err)
 	}
 	//nolint:unconvert
 	if uint64(stat.Dev) != h.dev || stat.Ino != h.ino {
-		return "", errors.Errorf("failed to verify handle %v/%v %v/%v", stat.Dev, h.dev, stat.Ino, h.ino)
+		return "", fmt.Errorf("failed to verify handle %v/%v %v/%v", stat.Dev, h.dev, stat.Ino, h.ino)
 	}
 	return h.procPath(), nil
 }

handle_nolinux.go

@@ -19,9 +19,8 @@
 package fifo
 
 import (
+	"fmt"
 	"syscall"
-
-	"github.com/pkg/errors"
 )
 
 type handle struct {
@@ -33,7 +32,7 @@ type handle struct {
 func getHandle(fn string) (*handle, error) {
 	var stat syscall.Stat_t
 	if err := syscall.Stat(fn, &stat); err != nil {
-		return nil, errors.Wrapf(err, "failed to stat %v", fn)
+		return nil, fmt.Errorf("failed to stat %v: %w", fn, err)
 	}
 
 	h := &handle{
@@ -48,10 +47,10 @@ func getHandle(fn string) (*handle, error) {
 func (h *handle) Path() (string, error) {
 	var stat syscall.Stat_t
 	if err := syscall.Stat(h.fn, &stat); err != nil {
-		return "", errors.Wrapf(err, "path %v could not be statted", h.fn)
+		return "", fmt.Errorf("path %v could not be statted: %w", h.fn, err)
 	}
 	if uint64(stat.Dev) != h.dev || uint64(stat.Ino) != h.ino { //nolint: unconvert
-		return "", errors.Errorf("failed to verify handle %v/%v %v/%v for %v", stat.Dev, h.dev, stat.Ino, h.ino, h.fn)
+		return "", fmt.Errorf("failed to verify handle %v/%v %v/%v for %v", stat.Dev, h.dev, stat.Ino, h.ino, h.fn)
 	}
 	return h.fn, nil
 }