diff --git a/Gopkg.lock b/Gopkg.lock
index 4cd0a07..132baff 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -58,7 +58,7 @@
     "pkg/term",
     "pkg/term/windows"
   ]
-  revision = "514fb6cf859f5d40e4100920b0da1410e51f23bd"
+  revision = "0c1006f1abc1af7aa6b9847754370d054dfa6c68"
 
 [[projects]]
   name = "github.com/docker/go-connections"
@@ -158,13 +158,13 @@
   branch = "master"
   name = "golang.org/x/crypto"
   packages = ["ssh/terminal"]
-  revision = "c4a91bd4f524f10d064139674cf55852e055ad01"
+  revision = "c3a3ad6d03f7a915c0f7e194b7152974bb73d287"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/net"
   packages = ["context"]
-  revision = "803fdb99c0f72e493c28ef2099d250a9c989d8ff"
+  revision = "6078986fec03a1dcc236c34816c71b0e05018fda"
 
 [[projects]]
   branch = "master"
@@ -173,7 +173,7 @@
     "unix",
     "windows"
   ]
-  revision = "8c0ece68c28377f4c326d85b94f8df0dace46f80"
+  revision = "7ceb54c8418b8f9cdf0177b511d5cbb06e9fae39"
 
 [[projects]]
   branch = "v1"
diff --git a/deploy.go b/deploy.go
index 8dcbaaa..5b769ea 100644
--- a/deploy.go
+++ b/deploy.go
@@ -5,6 +5,8 @@
 package main
 
 import (
+	"os"
+
 	"github.com/tsuru/deploy-agent/internal/tsuru"
 	"github.com/tsuru/tsuru/exec"
 )
@@ -14,7 +16,7 @@ func build(c tsuru.Client, appName string, cmd []string, fs Filesystem, executor
 	if err != nil {
 		return err
 	}
-	return execScript(cmd, envs, nil, fs, executor)
+	return execScript(cmd, envs, os.Stdout, fs, executor)
 }
 
 func deploy(c tsuru.Client, appName string, fs Filesystem, executor exec.Executor) error {
@@ -24,7 +26,7 @@ func deploy(c tsuru.Client, appName string, fs Filesystem, executor exec.Executo
 		return err
 	}
 	diff, firstDeploy, err := readDiffDeploy(fs)
-	if !firstDeploy || err != nil {
+	if !firstDeploy && err == nil {
 		err = c.SendDiffDeploy(diff, appName)
 		if err != nil {
 			return err
diff --git a/filesystem.go b/filesystem.go
index cbe5816..0fef82c 100644
--- a/filesystem.go
+++ b/filesystem.go
@@ -55,8 +55,8 @@ func (f *executorFS) ReadFile(name string) ([]byte, error) {
 	out := new(bytes.Buffer)
 	errOut := new(bytes.Buffer)
 	opts := exec.ExecuteOptions{
-		Cmd:    "cat",
-		Args:   []string{name},
+		Cmd:    "/bin/sh",
+		Args:   []string{"-c", fmt.Sprintf("cat %s", name)},
 		Stdout: out,
 		Stderr: errOut,
 	}
@@ -67,22 +67,32 @@ func (f *executorFS) ReadFile(name string) ([]byte, error) {
 }
 
 func (f *executorFS) CheckFile(name string) (bool, error) {
+	outErr := new(bytes.Buffer)
 	opts := exec.ExecuteOptions{
-		Cmd:  "stat",
-		Args: []string{name},
+		Cmd:    "/bin/sh",
+		Args:   []string{"-c", fmt.Sprintf("stat %s", name)},
+		Stderr: outErr,
 	}
 	if err := f.executor.Execute(opts); err != nil {
-		if strings.Contains(strings.ToLower(err.Error()), "no such") {
+		errOut := outErr.String()
+		if strings.Contains(strings.ToLower(errOut), "no such") {
 			return false, nil
 		}
-		return false, err
+		return false, fmt.Errorf("error checking file %v: %v. Output: %v", name, err, errOut)
 	}
 	return true, nil
 }
 
 func (f *executorFS) RemoveFile(name string) error {
 	return f.executor.Execute(exec.ExecuteOptions{
-		Cmd:  "rm",
-		Args: []string{name},
+		Cmd:  "/bin/sh",
+		Args: []string{"-c", fmt.Sprintf("rm %s", name)},
+	})
+}
+
+func (f *executorFS) CreateDir(dirname string) error {
+	return f.executor.Execute(exec.ExecuteOptions{
+		Cmd:  "/bin/sh",
+		Args: []string{"-c", fmt.Sprintf("mkdir -p %s", dirname)},
 	})
 }
diff --git a/internal/docker/docker.go b/internal/docker/docker.go
index ef075cb..b3b7578 100644
--- a/internal/docker/docker.go
+++ b/internal/docker/docker.go
@@ -7,6 +7,7 @@ package docker
 import (
 	"context"
 	"fmt"
+	"io"
 	"os"
 	"strings"
 	"time"
@@ -106,13 +107,22 @@ func (c *Client) Push(ctx context.Context, authConfig AuthConfig, img Image) err
 	opts := docker.PushImageOptions{
 		Name:              img.Name(),
 		Tag:               img.tag,
-		OutputStream:      os.Stdout,
+		OutputStream:      &errorCheckWriter{W: os.Stdout},
 		Context:           ctx,
 		InactivityTimeout: streamInactivityTimeout,
+		RawJSONStream:     true,
 	}
 	return c.api.PushImage(opts, docker.AuthConfiguration(authConfig))
 }
 
+func (c *Client) Upload(ctx context.Context, containerID, path string, inputStream io.Reader) error {
+	opts := docker.UploadToContainerOptions{
+		Path:        path,
+		InputStream: inputStream,
+	}
+	return c.api.UploadToContainer(containerID, opts)
+}
+
 func splitImageName(imageName string) (registry, repo, tag string) {
 	imgNameSplit := strings.Split(imageName, ":")
 	switch len(imgNameSplit) {
diff --git a/internal/docker/executor.go b/internal/docker/executor.go
index a4eebc8..963ac76 100644
--- a/internal/docker/executor.go
+++ b/internal/docker/executor.go
@@ -6,7 +6,7 @@ package docker
 
 import (
 	"fmt"
-	"os"
+	"strings"
 
 	"github.com/fsouza/go-dockerclient"
 	"github.com/tsuru/tsuru/exec"
@@ -19,18 +19,15 @@ type Executor struct {
 }
 
 func (d *Executor) Execute(opts exec.ExecuteOptions) error {
-	if opts.Stdout == nil {
-		opts.Stdout = os.Stdout
-	}
-	if opts.Stderr == nil {
-		opts.Stderr = os.Stderr
-	}
 	cmd := append([]string{opts.Cmd}, opts.Args...)
+	if cmd[0] != "/bin/sh" && (opts.Dir != "" || len(opts.Envs) > 0) {
+		cmd = append([]string{"/bin/sh", "-c"}, strings.Join(cmd, " "))
+	}
 	if opts.Dir != "" {
-		cmd = append([]string{"/bin/sh", "-c", "cd", opts.Dir, "&&"}, cmd...)
+		cmd = append(cmd[:2], fmt.Sprintf("cd %s && %s", opts.Dir, strings.Join(cmd[2:], " ")))
 	}
 	if len(opts.Envs) > 0 {
-		cmd = append([]string{"/bin/sh", "-c", "export"}, append(opts.Envs, cmd...)...)
+		cmd = append(cmd[:2], fmt.Sprintf("env %s && %s", strings.Join(opts.Envs, " "), strings.Join(cmd[2:], " ")))
 	}
 	e, err := d.Client.api.CreateExec(docker.CreateExecOptions{
 		Container:    d.ContainerID,
@@ -46,8 +43,6 @@ func (d *Executor) Execute(opts exec.ExecuteOptions) error {
 		OutputStream: opts.Stdout,
 		InputStream:  opts.Stdin,
 		ErrorStream:  opts.Stderr,
-		Tty:          true,
-		RawTerminal:  true,
 	})
 	if err != nil {
 		return err
@@ -57,7 +52,7 @@ func (d *Executor) Execute(opts exec.ExecuteOptions) error {
 		return err
 	}
 	if execData.ExitCode != 0 {
-		return fmt.Errorf("container exited with error: %v", execData.ExitCode)
+		return fmt.Errorf("unexpected exit code %#+v while running %v", execData.ExitCode, cmd)
 	}
 	return nil
 }
diff --git a/internal/docker/writer.go b/internal/docker/writer.go
new file mode 100644
index 0000000..01edde6
--- /dev/null
+++ b/internal/docker/writer.go
@@ -0,0 +1,48 @@
+package docker
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"io"
+)
+
+type errorCheckWriter struct {
+	W io.Writer
+	b []byte
+}
+
+type dockerJSONMessage struct {
+	Error *struct {
+		Code    int    `json:"code"`
+		Message string `json:"message"`
+	} `json:"errorDetail,omitempty"`
+	ErrorMessage string `json:"error"`
+}
+
+func (w *errorCheckWriter) Write(data []byte) (n int, err error) {
+	n, err = w.W.Write(data)
+	if err != nil {
+		return
+	}
+	w.b = append(w.b, data...)
+	if len(w.b) == 0 {
+		return
+	}
+	parts := bytes.Split(w.b, []byte("\n"))
+	w.b = parts[len(parts)-1]
+	var msg dockerJSONMessage
+	for _, part := range parts {
+		jsonErr := json.Unmarshal(part, &msg)
+		if jsonErr != nil {
+			continue
+		}
+		if msg.Error != nil {
+			return 0, errors.New(msg.Error.Message)
+		}
+		if msg.ErrorMessage != "" {
+			return 0, errors.New(msg.ErrorMessage)
+		}
+	}
+	return
+}
diff --git a/internal/docker/writer_test.go b/internal/docker/writer_test.go
new file mode 100644
index 0000000..d8c8ddc
--- /dev/null
+++ b/internal/docker/writer_test.go
@@ -0,0 +1,74 @@
+package docker
+
+import (
+	"bytes"
+
+	"gopkg.in/check.v1"
+)
+
+func (s *S) TestErrorCheckWriter(c *check.C) {
+	tests := []struct {
+		msg []string
+		err string
+	}{
+		{
+			msg: []string{`
+			{"status":"Pulling from tsuru/static","id":"latest"}
+			something
+			{invalid},
+			{"other": "other"}
+		`}},
+		{
+			msg: []string{`
+			{"status":"Pulling from tsuru/static","id":"latest"}
+			something
+			{"errorDetail": {"message": "my err msg"}}
+			{"other": "other"}
+		`},
+			err: `my err msg`,
+		},
+		{
+			msg: []string{`
+			{"status":"Pulling from tsuru/static","id":"latest"}
+			something
+			{"errorDetail": {"`, `message": "my err msg"}}
+			{"other": "other"}
+		`},
+			err: `my err msg`,
+		},
+		{
+			msg: []string{`
+			{"status":"Pulling from tsuru/static","id":"latest"}
+			something`, `
+			{"errorDetail": {"message": "my err msg"}}`, `
+			{"other": "other"}
+		`},
+			err: `my err msg`,
+		},
+		{
+			msg: []string{`{"errorDetail": {"message"`, `: "my err msg"}}`},
+			err: `my err msg`,
+		},
+		{
+			msg: []string{`
+{"error":`, ` "my err msg"}`},
+			err: `my err msg`,
+		},
+	}
+	for _, tt := range tests {
+		buf := bytes.NewBuffer(nil)
+		writer := errorCheckWriter{W: buf}
+		var err error
+		for _, msg := range tt.msg {
+			_, err = writer.Write([]byte(msg))
+			if err != nil {
+				break
+			}
+		}
+		if tt.err != "" {
+			c.Assert(err, check.ErrorMatches, tt.err)
+		} else {
+			c.Assert(err, check.IsNil)
+		}
+	}
+}
diff --git a/main.go b/main.go
index 2b1793c..25a683c 100644
--- a/main.go
+++ b/main.go
@@ -5,7 +5,10 @@
 package main
 
 import (
+	"archive/tar"
+	"bytes"
 	"context"
+	"errors"
 	"flag"
 	"fmt"
 	"io"
@@ -25,6 +28,7 @@ type Config struct {
 	DockerHost          string `envconfig:"DOCKER_HOST"`
 	RunAsSidecar        bool   `split_words:"true"`
 	DestinationImage    string `split_words:"true"`
+	InputFile           string `split_words:"true"`
 	RegistryPushRetries int    `split_words:"true" default:"3"`
 	RegistryAuthEmail   string `split_words:"true"`
 	RegistryAuthPass    string `split_words:"true"`
@@ -74,6 +78,10 @@ func main() {
 		}
 		executor = &docker.Executor{Client: dockerClient, ContainerID: mainContainer.ID}
 		filesystem = &executorFS{executor: executor}
+		err = uploadFile(context.Background(), dockerClient, mainContainer.ID, config.InputFile)
+		if err != nil {
+			fatal("failed to upload input file: %v", err)
+		}
 		defer func() {
 			fmt.Println("---- Building application image ----")
 			img, err := dockerClient.Commit(context.Background(), mainContainer.ID, config.DestinationImage)
@@ -151,20 +159,51 @@ func getMainContainer(ctx context.Context, dockerClient *docker.Client) (docker.
 	}
 }
 
+func uploadFile(ctx context.Context, dockerClient *docker.Client, container, inputFile string) error {
+	file, err := os.Open(inputFile)
+	if err != nil {
+		return fmt.Errorf("failed to open input file %q: %v", inputFile, err)
+	}
+	defer func() {
+		if file.Close() != nil {
+			fmt.Fprintf(os.Stderr, "error closing file %q: %v", inputFile, err)
+		}
+	}()
+	info, err := file.Stat()
+	if err != nil {
+		return fmt.Errorf("failed to stat input file: %v", err)
+	}
+	buf := new(bytes.Buffer)
+	tw := tar.NewWriter(buf)
+	if err := tw.WriteHeader(&tar.Header{
+		Name: file.Name(),
+		Mode: 0777,
+		Size: info.Size(),
+	}); err != nil {
+		return fmt.Errorf("failed to write archive header: %v", err)
+	}
+	n, err := io.Copy(tw, file)
+	if err != nil {
+		return fmt.Errorf("failed to write file to archive: %v", err)
+	}
+	if n != info.Size() {
+		return errors.New("short-write copying to archive")
+	}
+	if err := tw.Close(); err != nil {
+		return fmt.Errorf("failed to close archive: %v", err)
+	}
+	return dockerClient.Upload(ctx, container, "/", buf)
+}
+
 func fatal(format string, v ...interface{}) {
-	var w io.Writer = os.Stderr
 	file, err := os.OpenFile("/dev/termination-log", os.O_WRONLY|os.O_CREATE, 0666)
-	if err != nil {
-		fmt.Fprint(w, "failed to open termination-log file")
-	} else {
-		w = file
-		defer func() {
-			errClose := file.Close()
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "failed to close termination file: %v", errClose)
-			}
-		}()
+	if err == nil {
+		fmt.Fprintf(file, format, v...)
+		errClose := file.Close()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "failed to close termination file: %v", errClose)
+		}
 	}
-	fmt.Fprintf(w, format, v...)
+	fmt.Fprintf(os.Stderr, format, v...)
 	os.Exit(1)
 }
diff --git a/tasks_test.go b/tasks_test.go
index 4b4744f..b07275d 100644
--- a/tasks_test.go
+++ b/tasks_test.go
@@ -37,7 +37,7 @@ func (s *S) TestExecScript(c *check.C) {
 	buf := bytes.NewBufferString("")
 	err := execScript(cmds, envs, buf, s.fs, s.exec)
 	c.Assert(err, check.IsNil)
-	executedCmds := s.exec.GetCommands("/bin/bash")
+	executedCmds := s.exec.GetCommands("/bin/sh")
 	c.Assert(len(executedCmds), check.Equals, 2)
 	dir := executedCmds[0].GetDir()
 	c.Assert(dir, check.Equals, defaultWorkingDir)
@@ -70,7 +70,7 @@ func (s *S) TestExecScriptWorkingDirNotExist(c *check.C) {
 	}}
 	err = execScript(cmds, envs, nil, s.fs, s.exec)
 	c.Assert(err, check.IsNil)
-	executedCmds := s.exec.GetCommands("/bin/bash")
+	executedCmds := s.exec.GetCommands("/bin/sh")
 	c.Assert(len(executedCmds), check.Equals, 1)
 	dir := executedCmds[0].GetDir()
 	c.Assert(dir, check.Equals, "/")
@@ -126,7 +126,7 @@ func (s *S) TestHooks(c *check.C) {
 	}}
 	err := buildHooks(tsuruYaml, envs, s.fs, s.exec)
 	c.Assert(err, check.IsNil)
-	executedCmds := s.exec.GetCommands("/bin/bash")
+	executedCmds := s.exec.GetCommands("/bin/sh")
 	c.Assert(len(executedCmds), check.Equals, 2)
 	args := executedCmds[0].GetArgs()
 	expectedArgs := []string{"-lc", "ls"}
diff --git a/vendor/github.com/docker/docker/pkg/jsonmessage/jsonmessage.go b/vendor/github.com/docker/docker/pkg/jsonmessage/jsonmessage.go
index 368f128..b9f40d3 100644
--- a/vendor/github.com/docker/docker/pkg/jsonmessage/jsonmessage.go
+++ b/vendor/github.com/docker/docker/pkg/jsonmessage/jsonmessage.go
@@ -40,21 +40,17 @@ type JSONProgress struct {
 	// If true, don't show xB/yB
 	HideCounts bool   `json:"hidecounts,omitempty"`
 	Units      string `json:"units,omitempty"`
+	nowFunc    func() time.Time
+	winSize    int
 }
 
 func (p *JSONProgress) String() string {
 	var (
-		width       = 200
+		width       = p.width()
 		pbBox       string
 		numbersBox  string
 		timeLeftBox string
 	)
-
-	ws, err := term.GetWinsize(p.terminalFd)
-	if err == nil {
-		width = int(ws.Width)
-	}
-
 	if p.Current <= 0 && p.Total <= 0 {
 		return ""
 	}
@@ -103,7 +99,7 @@ func (p *JSONProgress) String() string {
 	}
 
 	if p.Current > 0 && p.Start > 0 && percentage < 50 {
-		fromStart := time.Now().UTC().Sub(time.Unix(p.Start, 0))
+		fromStart := p.now().Sub(time.Unix(p.Start, 0))
 		perEntry := fromStart / time.Duration(p.Current)
 		left := time.Duration(p.Total-p.Current) * perEntry
 		left = (left / time.Second) * time.Second
@@ -115,6 +111,28 @@ func (p *JSONProgress) String() string {
 	return pbBox + numbersBox + timeLeftBox
 }
 
+// shim for testing
+func (p *JSONProgress) now() time.Time {
+	if p.nowFunc == nil {
+		p.nowFunc = func() time.Time {
+			return time.Now().UTC()
+		}
+	}
+	return p.nowFunc()
+}
+
+// shim for testing
+func (p *JSONProgress) width() int {
+	if p.winSize != 0 {
+		return p.winSize
+	}
+	ws, err := term.GetWinsize(p.terminalFd)
+	if err == nil {
+		return int(ws.Width)
+	}
+	return 200
+}
+
 // JSONMessage defines a message struct. It describes
 // the created time, where it from, status, ID of the
 // message. It's used for docker events.
diff --git a/vendor/golang.org/x/sys/unix/syscall.go b/vendor/golang.org/x/sys/unix/syscall.go
index 857d2a4..1469079 100644
--- a/vendor/golang.org/x/sys/unix/syscall.go
+++ b/vendor/golang.org/x/sys/unix/syscall.go
@@ -11,11 +11,14 @@
 // system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
+//
 // The primary use of this package is inside other packages that provide a more
 // portable interface to the system, such as "os", "time" and "net".  Use
 // those packages rather than this one if you can.
+//
 // For details of the functions and data types in this package consult
 // the manuals for the appropriate operating system.
+//
 // These calls return err == nil to indicate success; otherwise
 // err represents an operating system error describing the failure and
 // holds a value of type syscall.Errno.
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go
index b959869..006e21f 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -330,6 +330,7 @@ func Uname(uname *Utsname) error {
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index 777860b..b5072de 100644
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -251,10 +251,12 @@ func Uname(uname *Utsname) error {
 //sys	Fchdir(fd int) (err error)
 //sys	Fchflags(fd int, flags int) (err error)
 //sys	Fchmod(fd int, mode uint32) (err error)
+//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_freebsd.go b/vendor/golang.org/x/sys/unix/syscall_freebsd.go
index 89f2c3f..7986985 100644
--- a/vendor/golang.org/x/sys/unix/syscall_freebsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_freebsd.go
@@ -482,6 +482,7 @@ func Uname(uname *Utsname) error {
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_netbsd.go b/vendor/golang.org/x/sys/unix/syscall_netbsd.go
index 71b7078..9a95076 100644
--- a/vendor/golang.org/x/sys/unix/syscall_netbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_netbsd.go
@@ -240,6 +240,7 @@ func Uname(uname *Utsname) error {
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_openbsd.go b/vendor/golang.org/x/sys/unix/syscall_openbsd.go
index 37556e7..387e1cf 100644
--- a/vendor/golang.org/x/sys/unix/syscall_openbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_openbsd.go
@@ -204,10 +204,12 @@ func Uname(uname *Utsname) error {
 //sys	Fchdir(fd int) (err error)
 //sys	Fchflags(fd int, flags int) (err error)
 //sys	Fchmod(fd int, mode uint32) (err error)
+//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_solaris.go b/vendor/golang.org/x/sys/unix/syscall_solaris.go
index eca8d1d..f4d2a34 100644
--- a/vendor/golang.org/x/sys/unix/syscall_solaris.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris.go
@@ -595,9 +595,10 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
 //sys	Fdatasync(fd int) (err error)
-//sys Flock(fd int, how int) (err error)
+//sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatvfs(fd int, vfsstat *Statvfs_t) (err error)
 //sys	Getdents(fd int, buf []byte, basep *uintptr) (n int, err error)
 //sysnb	Getgid() (gid int)
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix.go b/vendor/golang.org/x/sys/unix/syscall_unix.go
index 80b05a4..95ce555 100644
--- a/vendor/golang.org/x/sys/unix/syscall_unix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix.go
@@ -305,3 +305,12 @@ func SetNonblock(fd int, nonblocking bool) (err error) {
 	_, err = fcntl(fd, F_SETFL, flag)
 	return err
 }
+
+// Exec calls execve(2), which replaces the calling executable in the process
+// tree. argv0 should be the full path to an executable ("/bin/ls") and the
+// executable name should also be the first argument in argv (["ls", "-l"]).
+// envv are the environment variables that should be passed to the new
+// process (["USER=go", "PWD=/tmp"]).
+func Exec(argv0 string, argv []string, envv []string) error {
+	return syscall.Exec(argv0, argv, envv)
+}
diff --git a/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
index d960155..474441b 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go
@@ -980,7 +980,10 @@ const (
 	RLIMIT_CPU                        = 0x0
 	RLIMIT_DATA                       = 0x2
 	RLIMIT_FSIZE                      = 0x1
+	RLIMIT_MEMLOCK                    = 0x6
 	RLIMIT_NOFILE                     = 0x8
+	RLIMIT_NPROC                      = 0x7
+	RLIMIT_RSS                        = 0x5
 	RLIMIT_STACK                      = 0x3
 	RLIM_INFINITY                     = 0x7fffffffffffffff
 	RTAX_AUTHOR                       = 0x6
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_386.go b/vendor/golang.org/x/sys/unix/zsyscall_darwin_386.go
index 763ae4f..4c9f727 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_386.go
@@ -693,6 +693,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
index d6808e0..2562377 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
@@ -693,6 +693,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.go
index 6ae95e6..4ae787e 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.go
@@ -693,6 +693,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
index ca6a7ea..14ed688 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
@@ -693,6 +693,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT64, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS64, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
index a0241de..91f36e9 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
@@ -618,6 +618,21 @@ func Fchmod(fd int, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -659,6 +674,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
index fd9ca5a..a86434a 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
@@ -924,6 +924,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
index a9f18b2..040e2f7 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
@@ -924,6 +924,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
index 9823e18..cddc5e8 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
@@ -924,6 +924,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
index 62eadff..384b2c6 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
@@ -642,6 +642,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fsync(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
index 307f4e9..98ad07f 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
@@ -642,6 +642,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fsync(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
index 6110931..d9f3d64 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
@@ -642,6 +642,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fsync(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
index 003f820..5c09c07 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
@@ -599,6 +599,21 @@ func Fchmod(fd int, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -640,6 +655,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
index ba0e8f3..54ccc93 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
@@ -599,6 +599,21 @@ func Fchmod(fd int, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -640,6 +655,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
index 2ce02c7..59258b0 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
@@ -599,6 +599,21 @@ func Fchmod(fd int, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -640,6 +655,21 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fstatfs(fd int, stat *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
index f5d01b3..5e88619 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
@@ -50,6 +50,7 @@ import (
 //go:cgo_import_dynamic libc_flock flock "libc.so"
 //go:cgo_import_dynamic libc_fpathconf fpathconf "libc.so"
 //go:cgo_import_dynamic libc_fstat fstat "libc.so"
+//go:cgo_import_dynamic libc_fstatat fstatat "libc.so"
 //go:cgo_import_dynamic libc_fstatvfs fstatvfs "libc.so"
 //go:cgo_import_dynamic libc_getdents getdents "libc.so"
 //go:cgo_import_dynamic libc_getgid getgid "libc.so"
@@ -176,6 +177,7 @@ import (
 //go:linkname procFlock libc_flock
 //go:linkname procFpathconf libc_fpathconf
 //go:linkname procFstat libc_fstat
+//go:linkname procFstatat libc_fstatat
 //go:linkname procFstatvfs libc_fstatvfs
 //go:linkname procGetdents libc_getdents
 //go:linkname procGetgid libc_getgid
@@ -303,6 +305,7 @@ var (
 	procFlock,
 	procFpathconf,
 	procFstat,
+	procFstatat,
 	procFstatvfs,
 	procGetdents,
 	procGetgid,
@@ -772,6 +775,19 @@ func Fstat(fd int, stat *Stat_t) (err error) {
 	return
 }
 
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procFstatat)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
 func Fstatvfs(fd int, vfsstat *Statvfs_t) (err error) {
 	_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procFstatvfs)), 2, uintptr(fd), uintptr(unsafe.Pointer(vfsstat)), 0, 0, 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
index e3b8ebb..315a553 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_dragonfly_amd64.go
@@ -108,7 +108,7 @@ type Statfs_t struct {
 	Owner       uint32
 	Type        int32
 	Flags       int32
-	Pad_cgo_0   [4]byte
+	_           [4]byte
 	Syncwrites  int64
 	Asyncwrites int64
 	Fstypename  [16]int8
@@ -118,7 +118,7 @@ type Statfs_t struct {
 	Spares1     int16
 	Mntfromname [80]int8
 	Spares2     int16
-	Pad_cgo_1   [4]byte
+	_           [4]byte
 	Spare       [2]int64
 }
 
@@ -219,10 +219,10 @@ type IPv6Mreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 	Control    *byte
 	Controllen uint32
 	Flags      int32
@@ -294,14 +294,14 @@ const (
 )
 
 type IfMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Addrs     int32
-	Flags     int32
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Data      IfData
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Addrs   int32
+	Flags   int32
+	Index   uint16
+	_       [2]byte
+	Data    IfData
 }
 
 type IfData struct {
@@ -311,7 +311,7 @@ type IfData struct {
 	Hdrlen     uint8
 	Recvquota  uint8
 	Xmitquota  uint8
-	Pad_cgo_0  [2]byte
+	_          [2]byte
 	Mtu        uint64
 	Metric     uint64
 	Link_state uint64
@@ -333,24 +333,24 @@ type IfData struct {
 }
 
 type IfaMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Addrs     int32
-	Flags     int32
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Metric    int32
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Addrs   int32
+	Flags   int32
+	Index   uint16
+	_       [2]byte
+	Metric  int32
 }
 
 type IfmaMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Addrs     int32
-	Flags     int32
-	Index     uint16
-	Pad_cgo_0 [2]byte
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Addrs   int32
+	Flags   int32
+	Index   uint16
+	_       [2]byte
 }
 
 type IfAnnounceMsghdr struct {
@@ -363,19 +363,19 @@ type IfAnnounceMsghdr struct {
 }
 
 type RtMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Flags     int32
-	Addrs     int32
-	Pid       int32
-	Seq       int32
-	Errno     int32
-	Use       int32
-	Inits     uint64
-	Rmx       RtMetrics
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Index   uint16
+	_       [2]byte
+	Flags   int32
+	Addrs   int32
+	Pid     int32
+	Seq     int32
+	Errno   int32
+	Use     int32
+	Inits   uint64
+	Rmx     RtMetrics
 }
 
 type RtMetrics struct {
@@ -391,7 +391,7 @@ type RtMetrics struct {
 	Hopcount  uint64
 	Mssopt    uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Msl       uint64
 	Iwmaxsegs uint64
 	Iwcapsegs uint64
@@ -416,9 +416,9 @@ type BpfStat struct {
 }
 
 type BpfProgram struct {
-	Len       uint32
-	Pad_cgo_0 [4]byte
-	Insns     *BpfInsn
+	Len   uint32
+	_     [4]byte
+	Insns *BpfInsn
 }
 
 type BpfInsn struct {
@@ -429,11 +429,11 @@ type BpfInsn struct {
 }
 
 type BpfHdr struct {
-	Tstamp    Timeval
-	Caplen    uint32
-	Datalen   uint32
-	Hdrlen    uint16
-	Pad_cgo_0 [6]byte
+	Tstamp  Timeval
+	Caplen  uint32
+	Datalen uint32
+	Hdrlen  uint16
+	_       [6]byte
 }
 
 type Termios struct {
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
index 9dbbb1c..8e7384b 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
@@ -376,97 +376,123 @@ const (
 )
 
 const (
-	IFA_UNSPEC          = 0x0
-	IFA_ADDRESS         = 0x1
-	IFA_LOCAL           = 0x2
-	IFA_LABEL           = 0x3
-	IFA_BROADCAST       = 0x4
-	IFA_ANYCAST         = 0x5
-	IFA_CACHEINFO       = 0x6
-	IFA_MULTICAST       = 0x7
-	IFLA_UNSPEC         = 0x0
-	IFLA_ADDRESS        = 0x1
-	IFLA_BROADCAST      = 0x2
-	IFLA_IFNAME         = 0x3
-	IFLA_MTU            = 0x4
-	IFLA_LINK           = 0x5
-	IFLA_QDISC          = 0x6
-	IFLA_STATS          = 0x7
-	IFLA_COST           = 0x8
-	IFLA_PRIORITY       = 0x9
-	IFLA_MASTER         = 0xa
-	IFLA_WIRELESS       = 0xb
-	IFLA_PROTINFO       = 0xc
-	IFLA_TXQLEN         = 0xd
-	IFLA_MAP            = 0xe
-	IFLA_WEIGHT         = 0xf
-	IFLA_OPERSTATE      = 0x10
-	IFLA_LINKMODE       = 0x11
-	IFLA_LINKINFO       = 0x12
-	IFLA_NET_NS_PID     = 0x13
-	IFLA_IFALIAS        = 0x14
-	IFLA_MAX            = 0x2a
-	RT_SCOPE_UNIVERSE   = 0x0
-	RT_SCOPE_SITE       = 0xc8
-	RT_SCOPE_LINK       = 0xfd
-	RT_SCOPE_HOST       = 0xfe
-	RT_SCOPE_NOWHERE    = 0xff
-	RT_TABLE_UNSPEC     = 0x0
-	RT_TABLE_COMPAT     = 0xfc
-	RT_TABLE_DEFAULT    = 0xfd
-	RT_TABLE_MAIN       = 0xfe
-	RT_TABLE_LOCAL      = 0xff
-	RT_TABLE_MAX        = 0xffffffff
-	RTA_UNSPEC          = 0x0
-	RTA_DST             = 0x1
-	RTA_SRC             = 0x2
-	RTA_IIF             = 0x3
-	RTA_OIF             = 0x4
-	RTA_GATEWAY         = 0x5
-	RTA_PRIORITY        = 0x6
-	RTA_PREFSRC         = 0x7
-	RTA_METRICS         = 0x8
-	RTA_MULTIPATH       = 0x9
-	RTA_FLOW            = 0xb
-	RTA_CACHEINFO       = 0xc
-	RTA_TABLE           = 0xf
-	RTN_UNSPEC          = 0x0
-	RTN_UNICAST         = 0x1
-	RTN_LOCAL           = 0x2
-	RTN_BROADCAST       = 0x3
-	RTN_ANYCAST         = 0x4
-	RTN_MULTICAST       = 0x5
-	RTN_BLACKHOLE       = 0x6
-	RTN_UNREACHABLE     = 0x7
-	RTN_PROHIBIT        = 0x8
-	RTN_THROW           = 0x9
-	RTN_NAT             = 0xa
-	RTN_XRESOLVE        = 0xb
-	RTNLGRP_NONE        = 0x0
-	RTNLGRP_LINK        = 0x1
-	RTNLGRP_NOTIFY      = 0x2
-	RTNLGRP_NEIGH       = 0x3
-	RTNLGRP_TC          = 0x4
-	RTNLGRP_IPV4_IFADDR = 0x5
-	RTNLGRP_IPV4_MROUTE = 0x6
-	RTNLGRP_IPV4_ROUTE  = 0x7
-	RTNLGRP_IPV4_RULE   = 0x8
-	RTNLGRP_IPV6_IFADDR = 0x9
-	RTNLGRP_IPV6_MROUTE = 0xa
-	RTNLGRP_IPV6_ROUTE  = 0xb
-	RTNLGRP_IPV6_IFINFO = 0xc
-	RTNLGRP_IPV6_PREFIX = 0x12
-	RTNLGRP_IPV6_RULE   = 0x13
-	RTNLGRP_ND_USEROPT  = 0x14
-	SizeofNlMsghdr      = 0x10
-	SizeofNlMsgerr      = 0x14
-	SizeofRtGenmsg      = 0x1
-	SizeofNlAttr        = 0x4
-	SizeofRtAttr        = 0x4
-	SizeofIfInfomsg     = 0x10
-	SizeofIfAddrmsg     = 0x8
-	SizeofRtMsg         = 0xc
-	SizeofRtNexthop     = 0x8
+	IFA_UNSPEC           = 0x0
+	IFA_ADDRESS          = 0x1
+	IFA_LOCAL            = 0x2
+	IFA_LABEL            = 0x3
+	IFA_BROADCAST        = 0x4
+	IFA_ANYCAST          = 0x5
+	IFA_CACHEINFO        = 0x6
+	IFA_MULTICAST        = 0x7
+	IFLA_UNSPEC          = 0x0
+	IFLA_ADDRESS         = 0x1
+	IFLA_BROADCAST       = 0x2
+	IFLA_IFNAME          = 0x3
+	IFLA_MTU             = 0x4
+	IFLA_LINK            = 0x5
+	IFLA_QDISC           = 0x6
+	IFLA_STATS           = 0x7
+	IFLA_COST            = 0x8
+	IFLA_PRIORITY        = 0x9
+	IFLA_MASTER          = 0xa
+	IFLA_WIRELESS        = 0xb
+	IFLA_PROTINFO        = 0xc
+	IFLA_TXQLEN          = 0xd
+	IFLA_MAP             = 0xe
+	IFLA_WEIGHT          = 0xf
+	IFLA_OPERSTATE       = 0x10
+	IFLA_LINKMODE        = 0x11
+	IFLA_LINKINFO        = 0x12
+	IFLA_NET_NS_PID      = 0x13
+	IFLA_IFALIAS         = 0x14
+	IFLA_NUM_VF          = 0x15
+	IFLA_VFINFO_LIST     = 0x16
+	IFLA_STATS64         = 0x17
+	IFLA_VF_PORTS        = 0x18
+	IFLA_PORT_SELF       = 0x19
+	IFLA_AF_SPEC         = 0x1a
+	IFLA_GROUP           = 0x1b
+	IFLA_NET_NS_FD       = 0x1c
+	IFLA_EXT_MASK        = 0x1d
+	IFLA_PROMISCUITY     = 0x1e
+	IFLA_NUM_TX_QUEUES   = 0x1f
+	IFLA_NUM_RX_QUEUES   = 0x20
+	IFLA_CARRIER         = 0x21
+	IFLA_PHYS_PORT_ID    = 0x22
+	IFLA_CARRIER_CHANGES = 0x23
+	IFLA_PHYS_SWITCH_ID  = 0x24
+	IFLA_LINK_NETNSID    = 0x25
+	IFLA_PHYS_PORT_NAME  = 0x26
+	IFLA_PROTO_DOWN      = 0x27
+	IFLA_GSO_MAX_SEGS    = 0x28
+	IFLA_GSO_MAX_SIZE    = 0x29
+	IFLA_PAD             = 0x2a
+	IFLA_XDP             = 0x2b
+	IFLA_EVENT           = 0x2c
+	IFLA_NEW_NETNSID     = 0x2d
+	IFLA_IF_NETNSID      = 0x2e
+	IFLA_MAX             = 0x2e
+	RT_SCOPE_UNIVERSE    = 0x0
+	RT_SCOPE_SITE        = 0xc8
+	RT_SCOPE_LINK        = 0xfd
+	RT_SCOPE_HOST        = 0xfe
+	RT_SCOPE_NOWHERE     = 0xff
+	RT_TABLE_UNSPEC      = 0x0
+	RT_TABLE_COMPAT      = 0xfc
+	RT_TABLE_DEFAULT     = 0xfd
+	RT_TABLE_MAIN        = 0xfe
+	RT_TABLE_LOCAL       = 0xff
+	RT_TABLE_MAX         = 0xffffffff
+	RTA_UNSPEC           = 0x0
+	RTA_DST              = 0x1
+	RTA_SRC              = 0x2
+	RTA_IIF              = 0x3
+	RTA_OIF              = 0x4
+	RTA_GATEWAY          = 0x5
+	RTA_PRIORITY         = 0x6
+	RTA_PREFSRC          = 0x7
+	RTA_METRICS          = 0x8
+	RTA_MULTIPATH        = 0x9
+	RTA_FLOW             = 0xb
+	RTA_CACHEINFO        = 0xc
+	RTA_TABLE            = 0xf
+	RTN_UNSPEC           = 0x0
+	RTN_UNICAST          = 0x1
+	RTN_LOCAL            = 0x2
+	RTN_BROADCAST        = 0x3
+	RTN_ANYCAST          = 0x4
+	RTN_MULTICAST        = 0x5
+	RTN_BLACKHOLE        = 0x6
+	RTN_UNREACHABLE      = 0x7
+	RTN_PROHIBIT         = 0x8
+	RTN_THROW            = 0x9
+	RTN_NAT              = 0xa
+	RTN_XRESOLVE         = 0xb
+	RTNLGRP_NONE         = 0x0
+	RTNLGRP_LINK         = 0x1
+	RTNLGRP_NOTIFY       = 0x2
+	RTNLGRP_NEIGH        = 0x3
+	RTNLGRP_TC           = 0x4
+	RTNLGRP_IPV4_IFADDR  = 0x5
+	RTNLGRP_IPV4_MROUTE  = 0x6
+	RTNLGRP_IPV4_ROUTE   = 0x7
+	RTNLGRP_IPV4_RULE    = 0x8
+	RTNLGRP_IPV6_IFADDR  = 0x9
+	RTNLGRP_IPV6_MROUTE  = 0xa
+	RTNLGRP_IPV6_ROUTE   = 0xb
+	RTNLGRP_IPV6_IFINFO  = 0xc
+	RTNLGRP_IPV6_PREFIX  = 0x12
+	RTNLGRP_IPV6_RULE    = 0x13
+	RTNLGRP_ND_USEROPT   = 0x14
+	SizeofNlMsghdr       = 0x10
+	SizeofNlMsgerr       = 0x14
+	SizeofRtGenmsg       = 0x1
+	SizeofNlAttr         = 0x4
+	SizeofRtAttr         = 0x4
+	SizeofIfInfomsg      = 0x10
+	SizeofIfAddrmsg      = 0x8
+	SizeofRtMsg          = 0xc
+	SizeofRtNexthop      = 0x8
 )
 
 type NlMsghdr struct {
diff --git a/vendor/golang.org/x/sys/unix/ztypes_solaris_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_solaris_amd64.go
index d445452..2248598 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_solaris_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_solaris_amd64.go
@@ -93,40 +93,40 @@ const (
 )
 
 type Stat_t struct {
-	Dev       uint64
-	Ino       uint64
-	Mode      uint32
-	Nlink     uint32
-	Uid       uint32
-	Gid       uint32
-	Rdev      uint64
-	Size      int64
-	Atim      Timespec
-	Mtim      Timespec
-	Ctim      Timespec
-	Blksize   int32
-	Pad_cgo_0 [4]byte
-	Blocks    int64
-	Fstype    [16]int8
+	Dev     uint64
+	Ino     uint64
+	Mode    uint32
+	Nlink   uint32
+	Uid     uint32
+	Gid     uint32
+	Rdev    uint64
+	Size    int64
+	Atim    Timespec
+	Mtim    Timespec
+	Ctim    Timespec
+	Blksize int32
+	_       [4]byte
+	Blocks  int64
+	Fstype  [16]int8
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Sysid     int32
-	Pid       int32
-	Pad       [4]int64
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Sysid  int32
+	Pid    int32
+	Pad    [4]int64
 }
 
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Name      [1]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Name   [1]int8
+	_      [5]byte
 }
 
 type _Fsblkcnt_t uint64
@@ -213,13 +213,13 @@ type IPv6Mreq struct {
 type Msghdr struct {
 	Name         *byte
 	Namelen      uint32
-	Pad_cgo_0    [4]byte
+	_            [4]byte
 	Iov          *Iovec
 	Iovlen       int32
-	Pad_cgo_1    [4]byte
+	_            [4]byte
 	Accrights    *int8
 	Accrightslen int32
-	Pad_cgo_2    [4]byte
+	_            [4]byte
 }
 
 type Cmsghdr struct {
@@ -271,11 +271,11 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int64
-	Tinode    uint64
-	Fname     [6]int8
-	Fpack     [6]int8
-	Pad_cgo_0 [4]byte
+	Tfree  int64
+	Tinode uint64
+	Fname  [6]int8
+	Fpack  [6]int8
+	_      [4]byte
 }
 
 const (
@@ -295,21 +295,21 @@ const (
 )
 
 type IfMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Addrs     int32
-	Flags     int32
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Data      IfData
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Addrs   int32
+	Flags   int32
+	Index   uint16
+	_       [2]byte
+	Data    IfData
 }
 
 type IfData struct {
 	Type       uint8
 	Addrlen    uint8
 	Hdrlen     uint8
-	Pad_cgo_0  [1]byte
+	_          [1]byte
 	Mtu        uint32
 	Metric     uint32
 	Baudrate   uint32
@@ -328,30 +328,30 @@ type IfData struct {
 }
 
 type IfaMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Addrs     int32
-	Flags     int32
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Metric    int32
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Addrs   int32
+	Flags   int32
+	Index   uint16
+	_       [2]byte
+	Metric  int32
 }
 
 type RtMsghdr struct {
-	Msglen    uint16
-	Version   uint8
-	Type      uint8
-	Index     uint16
-	Pad_cgo_0 [2]byte
-	Flags     int32
-	Addrs     int32
-	Pid       int32
-	Seq       int32
-	Errno     int32
-	Use       int32
-	Inits     uint32
-	Rmx       RtMetrics
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Index   uint16
+	_       [2]byte
+	Flags   int32
+	Addrs   int32
+	Pid     int32
+	Seq     int32
+	Errno   int32
+	Use     int32
+	Inits   uint32
+	Rmx     RtMetrics
 }
 
 type RtMetrics struct {
@@ -388,9 +388,9 @@ type BpfStat struct {
 }
 
 type BpfProgram struct {
-	Len       uint32
-	Pad_cgo_0 [4]byte
-	Insns     *BpfInsn
+	Len   uint32
+	_     [4]byte
+	Insns *BpfInsn
 }
 
 type BpfInsn struct {
@@ -406,30 +406,30 @@ type BpfTimeval struct {
 }
 
 type BpfHdr struct {
-	Tstamp    BpfTimeval
-	Caplen    uint32
-	Datalen   uint32
-	Hdrlen    uint16
-	Pad_cgo_0 [2]byte
+	Tstamp  BpfTimeval
+	Caplen  uint32
+	Datalen uint32
+	Hdrlen  uint16
+	_       [2]byte
 }
 
 type Termios struct {
-	Iflag     uint32
-	Oflag     uint32
-	Cflag     uint32
-	Lflag     uint32
-	Cc        [19]uint8
-	Pad_cgo_0 [1]byte
+	Iflag uint32
+	Oflag uint32
+	Cflag uint32
+	Lflag uint32
+	Cc    [19]uint8
+	_     [1]byte
 }
 
 type Termio struct {
-	Iflag     uint16
-	Oflag     uint16
-	Cflag     uint16
-	Lflag     uint16
-	Line      int8
-	Cc        [8]uint8
-	Pad_cgo_0 [1]byte
+	Iflag uint16
+	Oflag uint16
+	Cflag uint16
+	Lflag uint16
+	Line  int8
+	Cc    [8]uint8
+	_     [1]byte
 }
 
 type Winsize struct {
diff --git a/vendor/golang.org/x/sys/windows/syscall.go b/vendor/golang.org/x/sys/windows/syscall.go
index b07bc23..af828a9 100644
--- a/vendor/golang.org/x/sys/windows/syscall.go
+++ b/vendor/golang.org/x/sys/windows/syscall.go
@@ -11,11 +11,14 @@
 // system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
+//
 // The primary use of this package is inside other packages that provide a more
 // portable interface to the system, such as "os", "time" and "net".  Use
 // those packages rather than this one if you can.
+//
 // For details of the functions and data types in this package consult
 // the manuals for the appropriate operating system.
+//
 // These calls return err == nil to indicate success; otherwise
 // err represents an operating system error describing the failure and
 // holds a value of type syscall.Errno.