vendor: add fsutil copy package

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
docker-19.03
Tonis Tiigi 2019-03-15 16:31:09 -07:00
parent 4ffd79735b
commit 171feaafeb
14 changed files with 832 additions and 4 deletions

2
go.mod
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@ -49,7 +49,7 @@ require (
github.com/sirupsen/logrus v1.0.3
github.com/stretchr/testify v1.3.0
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8 // indirect
github.com/tonistiigi/fsutil v0.0.0-20190314220245-1ec1983587cd
github.com/tonistiigi/fsutil v0.0.0-20190316003333-2a10686c7e92
github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea
github.com/uber/jaeger-client-go v0.0.0-20180103221425-e02c85f9069e
github.com/uber/jaeger-lib v1.2.1 // indirect

4
go.sum
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@ -118,8 +118,8 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8 h1:zLV6q4e8Jv9EHjNg/iHfzwDkCve6Ua5jCygptrtXHvI=
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/tonistiigi/fsutil v0.0.0-20190314220245-1ec1983587cd h1:TT5pfgTCocfXTnVeEZRKSEsO8vAGM+OMZOSSXEO6ixw=
github.com/tonistiigi/fsutil v0.0.0-20190314220245-1ec1983587cd/go.mod h1:pzh7kdwkDRh+Bx8J30uqaKJ1M4QrSH/um8fcIXeM8rc=
github.com/tonistiigi/fsutil v0.0.0-20190316003333-2a10686c7e92 h1:+Njk7pGJkAqK0k007oRFmr9xSmZUA+VjV0SdW0ctqXs=
github.com/tonistiigi/fsutil v0.0.0-20190316003333-2a10686c7e92/go.mod h1:pzh7kdwkDRh+Bx8J30uqaKJ1M4QrSH/um8fcIXeM8rc=
github.com/tonistiigi/go-immutable-radix v0.0.0-20170803185627-826af9ccf0fe h1:pd7hrFSqUPxYS9IB+UMG1AB/8EXGXo17ssx0bSQ5L6Y=
github.com/tonistiigi/go-immutable-radix v0.0.0-20170803185627-826af9ccf0fe/go.mod h1:/+MCh11CJf2oz0BXmlmqyopK/ad1rKkcOXPoYuPCJYU=
github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea h1:SXhTLE6pb6eld/v/cCndK0AMpt1wiVFb/YYmqB3/QG0=

423
vendor/github.com/tonistiigi/fsutil/copy/copy.go generated vendored Normal file
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@ -0,0 +1,423 @@
package fs
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"github.com/containerd/continuity/fs"
"github.com/pkg/errors"
)
var bufferPool = &sync.Pool{
New: func() interface{} {
buffer := make([]byte, 32*1024)
return &buffer
},
}
func rootPath(root, p string, followLinks bool) (string, error) {
p = filepath.Join("/", p)
if p == "/" {
return root, nil
}
if followLinks {
return fs.RootPath(root, p)
}
d, f := filepath.Split(p)
ppath, err := fs.RootPath(root, d)
if err != nil {
return "", err
}
return filepath.Join(ppath, f), nil
}
func ResolveWildcards(root, src string, followLinks bool) ([]string, error) {
d1, d2 := splitWildcards(src)
if d2 != "" {
p, err := rootPath(root, d1, followLinks)
if err != nil {
return nil, err
}
matches, err := resolveWildcards(p, d2)
if err != nil {
return nil, err
}
for i, m := range matches {
p, err := rel(root, m)
if err != nil {
return nil, err
}
matches[i] = p
}
return matches, nil
}
return []string{d1}, nil
}
// Copy copies files using `cp -a` semantics.
// Copy is likely unsafe to be used in non-containerized environments.
func Copy(ctx context.Context, srcRoot, src, dstRoot, dst string, opts ...Opt) error {
var ci CopyInfo
for _, o := range opts {
o(&ci)
}
ensureDstPath := dst
if d, f := filepath.Split(dst); f != "" && f != "." {
ensureDstPath = d
}
if ensureDstPath != "" {
ensureDstPath, err := fs.RootPath(dstRoot, ensureDstPath)
if err != nil {
return err
}
if err := MkdirAll(ensureDstPath, 0755, ci.Chown, ci.Utime); err != nil {
return err
}
}
dst, err := fs.RootPath(dstRoot, filepath.Clean(dst))
if err != nil {
return err
}
c := newCopier(ci.Chown, ci.Utime, ci.Mode, ci.XAttrErrorHandler)
srcs := []string{src}
if ci.AllowWildcards {
matches, err := ResolveWildcards(srcRoot, src, ci.FollowLinks)
if err != nil {
return err
}
if len(matches) == 0 {
return errors.Errorf("no matches found: %s", src)
}
srcs = matches
}
for _, src := range srcs {
srcFollowed, err := rootPath(srcRoot, src, ci.FollowLinks)
if err != nil {
return err
}
dst, err := c.prepareTargetDir(srcFollowed, src, dst, ci.CopyDirContents)
if err != nil {
return err
}
if err := c.copy(ctx, srcFollowed, dst, false); err != nil {
return err
}
}
return nil
}
func (c *copier) prepareTargetDir(srcFollowed, src, destPath string, copyDirContents bool) (string, error) {
fiSrc, err := os.Lstat(srcFollowed)
if err != nil {
return "", err
}
fiDest, err := os.Stat(destPath)
if err != nil {
if !os.IsNotExist(err) {
return "", errors.Wrap(err, "failed to lstat destination path")
}
}
if (!copyDirContents && fiSrc.IsDir() && fiDest != nil) || (!fiSrc.IsDir() && fiDest != nil && fiDest.IsDir()) {
destPath = filepath.Join(destPath, filepath.Base(src))
}
target := filepath.Dir(destPath)
if copyDirContents && fiSrc.IsDir() && fiDest == nil {
target = destPath
}
if err := MkdirAll(target, 0755, c.chown, c.utime); err != nil {
return "", err
}
return destPath, nil
}
type ChownOpt struct {
Uid, Gid int
}
type XAttrErrorHandler func(dst, src, xattrKey string, err error) error
type CopyInfo struct {
Chown *ChownOpt
Utime *time.Time
AllowWildcards bool
Mode *int
XAttrErrorHandler XAttrErrorHandler
CopyDirContents bool
FollowLinks bool
}
type Opt func(*CopyInfo)
func WithCopyInfo(ci CopyInfo) func(*CopyInfo) {
return func(c *CopyInfo) {
*c = ci
}
}
func WithChown(uid, gid int) Opt {
return func(ci *CopyInfo) {
ci.Chown = &ChownOpt{Uid: uid, Gid: gid}
}
}
func AllowWildcards(ci *CopyInfo) {
ci.AllowWildcards = true
}
func WithXAttrErrorHandler(h XAttrErrorHandler) Opt {
return func(ci *CopyInfo) {
ci.XAttrErrorHandler = h
}
}
func AllowXAttrErrors(ci *CopyInfo) {
h := func(string, string, string, error) error {
return nil
}
WithXAttrErrorHandler(h)(ci)
}
type copier struct {
chown *ChownOpt
utime *time.Time
mode *int
inodes map[uint64]string
xattrErrorHandler XAttrErrorHandler
}
func newCopier(chown *ChownOpt, tm *time.Time, mode *int, xeh XAttrErrorHandler) *copier {
if xeh == nil {
xeh = func(dst, src, key string, err error) error {
return err
}
}
return &copier{inodes: map[uint64]string{}, chown: chown, utime: tm, xattrErrorHandler: xeh, mode: mode}
}
// dest is always clean
func (c *copier) copy(ctx context.Context, src, target string, overwriteTargetMetadata bool) error {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
fi, err := os.Lstat(src)
if err != nil {
return errors.Wrapf(err, "failed to stat %s", src)
}
if !fi.IsDir() {
if err := ensureEmptyFileTarget(target); err != nil {
return err
}
}
copyFileInfo := true
switch {
case fi.IsDir():
if created, err := c.copyDirectory(ctx, src, target, fi, overwriteTargetMetadata); err != nil {
return err
} else if !overwriteTargetMetadata {
copyFileInfo = created
}
case (fi.Mode() & os.ModeType) == 0:
link, err := getLinkSource(target, fi, c.inodes)
if err != nil {
return errors.Wrap(err, "failed to get hardlink")
}
if link != "" {
if err := os.Link(link, target); err != nil {
return errors.Wrap(err, "failed to create hard link")
}
} else if err := copyFile(src, target); err != nil {
return errors.Wrap(err, "failed to copy files")
}
case (fi.Mode() & os.ModeSymlink) == os.ModeSymlink:
link, err := os.Readlink(src)
if err != nil {
return errors.Wrapf(err, "failed to read link: %s", src)
}
if err := os.Symlink(link, target); err != nil {
return errors.Wrapf(err, "failed to create symlink: %s", target)
}
case (fi.Mode() & os.ModeDevice) == os.ModeDevice:
if err := copyDevice(target, fi); err != nil {
return errors.Wrapf(err, "failed to create device")
}
default:
// TODO: Support pipes and sockets
return errors.Wrapf(err, "unsupported mode %s", fi.Mode())
}
if copyFileInfo {
if err := c.copyFileInfo(fi, target); err != nil {
return errors.Wrap(err, "failed to copy file info")
}
if err := copyXAttrs(target, src, c.xattrErrorHandler); err != nil {
return errors.Wrap(err, "failed to copy xattrs")
}
}
return nil
}
func (c *copier) copyDirectory(ctx context.Context, src, dst string, stat os.FileInfo, overwriteTargetMetadata bool) (bool, error) {
if !stat.IsDir() {
return false, errors.Errorf("source is not directory")
}
created := false
if st, err := os.Lstat(dst); err != nil {
if !os.IsNotExist(err) {
return false, err
}
created = true
if err := os.Mkdir(dst, stat.Mode()); err != nil {
return created, errors.Wrapf(err, "failed to mkdir %s", dst)
}
} else if !st.IsDir() {
return false, errors.Errorf("cannot copy to non-directory: %s", dst)
} else if overwriteTargetMetadata {
if err := os.Chmod(dst, stat.Mode()); err != nil {
return false, errors.Wrapf(err, "failed to chmod on %s", dst)
}
}
fis, err := ioutil.ReadDir(src)
if err != nil {
return false, errors.Wrapf(err, "failed to read %s", src)
}
for _, fi := range fis {
if err := c.copy(ctx, filepath.Join(src, fi.Name()), filepath.Join(dst, fi.Name()), true); err != nil {
return false, err
}
}
return created, nil
}
func ensureEmptyFileTarget(dst string) error {
fi, err := os.Lstat(dst)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return errors.Wrap(err, "failed to lstat file target")
}
if fi.IsDir() {
return errors.Errorf("cannot replace to directory %s with file", dst)
}
return os.Remove(dst)
}
func copyFile(source, target string) error {
src, err := os.Open(source)
if err != nil {
return errors.Wrapf(err, "failed to open source %s", source)
}
defer src.Close()
tgt, err := os.Create(target)
if err != nil {
return errors.Wrapf(err, "failed to open target %s", target)
}
defer tgt.Close()
return copyFileContent(tgt, src)
}
func containsWildcards(name string) bool {
isWindows := runtime.GOOS == "windows"
for i := 0; i < len(name); i++ {
ch := name[i]
if ch == '\\' && !isWindows {
i++
} else if ch == '*' || ch == '?' || ch == '[' {
return true
}
}
return false
}
func splitWildcards(p string) (d1, d2 string) {
parts := strings.Split(filepath.Join(p), string(filepath.Separator))
var p1, p2 []string
var found bool
for _, p := range parts {
if !found && containsWildcards(p) {
found = true
}
if p == "" {
p = "/"
}
if !found {
p1 = append(p1, p)
} else {
p2 = append(p2, p)
}
}
return filepath.Join(p1...), filepath.Join(p2...)
}
func resolveWildcards(basePath, comp string) ([]string, error) {
var out []string
err := filepath.Walk(basePath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
rel, err := rel(basePath, path)
if err != nil {
return err
}
if rel == "." {
return nil
}
if match, _ := filepath.Match(comp, rel); !match {
return nil
}
out = append(out, path)
if info.IsDir() {
return filepath.SkipDir
}
return nil
})
if err != nil {
return nil, err
}
return out, nil
}
// rel makes a path relative to base path. Same as `filepath.Rel` but can also
// handle UUID paths in windows.
func rel(basepath, targpath string) (string, error) {
// filepath.Rel can't handle UUID paths in windows
if runtime.GOOS == "windows" {
pfx := basepath + `\`
if strings.HasPrefix(targpath, pfx) {
p := strings.TrimPrefix(targpath, pfx)
if p == "" {
p = "."
}
return p, nil
}
}
return filepath.Rel(basepath, targpath)
}

97
vendor/github.com/tonistiigi/fsutil/copy/copy_linux.go generated vendored Normal file
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@ -0,0 +1,97 @@
package fs
import (
"io"
"math"
"os"
"syscall"
"github.com/containerd/containerd/sys"
"github.com/pkg/errors"
"golang.org/x/sys/unix"
)
func getUidGid(fi os.FileInfo) (uid, gid int) {
st := fi.Sys().(*syscall.Stat_t)
return int(st.Uid), int(st.Gid)
}
func (c *copier) copyFileInfo(fi os.FileInfo, name string) error {
st := fi.Sys().(*syscall.Stat_t)
chown := c.chown
if chown == nil {
uid, gid := getUidGid(fi)
chown = &ChownOpt{Uid: uid, Gid: gid}
}
if err := Chown(name, chown); err != nil {
return errors.Wrapf(err, "failed to chown %s", name)
}
m := fi.Mode()
if c.mode != nil {
m = (m & ^os.FileMode(0777)) | os.FileMode(*c.mode&0777)
}
if (fi.Mode() & os.ModeSymlink) != os.ModeSymlink {
if err := os.Chmod(name, m); err != nil {
return errors.Wrapf(err, "failed to chmod %s", name)
}
}
if c.utime != nil {
if err := Utimes(name, c.utime); err != nil {
return err
}
} else {
timespec := []unix.Timespec{unix.Timespec(sys.StatAtime(st)), unix.Timespec(sys.StatMtime(st))}
if err := unix.UtimesNanoAt(unix.AT_FDCWD, name, timespec, unix.AT_SYMLINK_NOFOLLOW); err != nil {
return errors.Wrapf(err, "failed to utime %s", name)
}
}
return nil
}
func copyFileContent(dst, src *os.File) error {
st, err := src.Stat()
if err != nil {
return errors.Wrap(err, "unable to stat source")
}
var written int64
size := st.Size()
first := true
for written < size {
var desired int
if size-written > math.MaxInt32 {
desired = int(math.MaxInt32)
} else {
desired = int(size - written)
}
n, err := unix.CopyFileRange(int(src.Fd()), nil, int(dst.Fd()), nil, desired, 0)
if err != nil {
if (err != unix.ENOSYS && err != unix.EXDEV && err != unix.EPERM) || !first {
return errors.Wrap(err, "copy file range failed")
}
buf := bufferPool.Get().(*[]byte)
_, err = io.CopyBuffer(dst, src, *buf)
bufferPool.Put(buf)
return errors.Wrap(err, "userspace copy failed")
}
first = false
written += int64(n)
}
return nil
}
func copyDevice(dst string, fi os.FileInfo) error {
st, ok := fi.Sys().(*syscall.Stat_t)
if !ok {
return errors.New("unsupported stat type")
}
return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
}

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@ -0,0 +1,28 @@
// +build !windows
package fs
import (
"github.com/pkg/errors"
"github.com/containerd/continuity/sysx"
)
// copyXAttrs requires xeh to be non-nil
func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error {
xattrKeys, err := sysx.LListxattr(src)
if err != nil {
return xeh(dst, src, "", errors.Wrapf(err, "failed to list xattrs on %s", src))
}
for _, xattr := range xattrKeys {
data, err := sysx.LGetxattr(src, xattr)
if err != nil {
return xeh(dst, src, xattr, errors.Wrapf(err, "failed to get xattr %q on %s", xattr, src))
}
if err := sysx.LSetxattr(dst, xattr, data, 0); err != nil {
return xeh(dst, src, xattr, errors.Wrapf(err, "failed to set xattr %q on %s", xattr, dst))
}
}
return nil
}

68
vendor/github.com/tonistiigi/fsutil/copy/copy_unix.go generated vendored Normal file
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@ -0,0 +1,68 @@
// +build solaris darwin freebsd
package fs
import (
"io"
"os"
"syscall"
"github.com/containerd/containerd/sys"
"github.com/pkg/errors"
"golang.org/x/sys/unix"
)
func getUidGid(fi os.FileInfo) (uid, gid int) {
st := fi.Sys().(*syscall.Stat_t)
return int(st.Uid), int(st.Gid)
}
func (c *copier) copyFileInfo(fi os.FileInfo, name string) error {
st := fi.Sys().(*syscall.Stat_t)
chown := c.chown
if chown == nil {
uid, gid := getUidGid(fi)
chown = &ChownOpt{Uid: uid, Gid: gid}
}
if err := Chown(name, chown); err != nil {
return errors.Wrapf(err, "failed to chown %s", name)
}
m := fi.Mode()
if c.mode != nil {
m = (m & ^os.FileMode(0777)) | os.FileMode(*c.mode&0777)
}
if (fi.Mode() & os.ModeSymlink) != os.ModeSymlink {
if err := os.Chmod(name, m); err != nil {
return errors.Wrapf(err, "failed to chmod %s", name)
}
}
if c.utime != nil {
if err := Utimes(name, c.utime); err != nil {
return err
}
} else {
timespec := []unix.Timespec{unix.Timespec(sys.StatAtime(st)), unix.Timespec(sys.StatMtime(st))}
if err := unix.UtimesNanoAt(unix.AT_FDCWD, name, timespec, unix.AT_SYMLINK_NOFOLLOW); err != nil {
return errors.Wrapf(err, "failed to utime %s", name)
}
}
return nil
}
func copyFileContent(dst, src *os.File) error {
buf := bufferPool.Get().(*[]byte)
_, err := io.CopyBuffer(dst, src, *buf)
bufferPool.Put(buf)
return err
}
func copyDevice(dst string, fi os.FileInfo) error {
st, ok := fi.Sys().(*syscall.Stat_t)
if !ok {
return errors.New("unsupported stat type")
}
return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
}

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@ -0,0 +1,33 @@
package fs
import (
"io"
"os"
"github.com/pkg/errors"
)
func (c *copier) copyFileInfo(fi os.FileInfo, name string) error {
if err := os.Chmod(name, fi.Mode()); err != nil {
return errors.Wrapf(err, "failed to chmod %s", name)
}
// TODO: copy windows specific metadata
return nil
}
func copyFileContent(dst, src *os.File) error {
buf := bufferPool.Get().(*[]byte)
_, err := io.CopyBuffer(dst, src, *buf)
bufferPool.Put(buf)
return err
}
func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error {
return nil
}
func copyDevice(dst string, fi os.FileInfo) error {
return errors.New("device copy not supported")
}

27
vendor/github.com/tonistiigi/fsutil/copy/hardlink.go generated vendored Normal file
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@ -0,0 +1,27 @@
package fs
import "os"
// GetLinkInfo returns an identifier representing the node a hardlink is pointing
// to. If the file is not hard linked then 0 will be returned.
func GetLinkInfo(fi os.FileInfo) (uint64, bool) {
return getLinkInfo(fi)
}
// getLinkSource returns a path for the given name and
// file info to its link source in the provided inode
// map. If the given file name is not in the map and
// has other links, it is added to the inode map
// to be a source for other link locations.
func getLinkSource(name string, fi os.FileInfo, inodes map[uint64]string) (string, error) {
inode, isHardlink := getLinkInfo(fi)
if !isHardlink {
return "", nil
}
path, ok := inodes[inode]
if !ok {
inodes[inode] = name
}
return path, nil
}

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@ -0,0 +1,17 @@
// +build !windows
package fs
import (
"os"
"syscall"
)
func getLinkInfo(fi os.FileInfo) (uint64, bool) {
s, ok := fi.Sys().(*syscall.Stat_t)
if !ok {
return 0, false
}
return uint64(s.Ino), !fi.IsDir() && s.Nlink > 1
}

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@ -0,0 +1,7 @@
package fs
import "os"
func getLinkInfo(fi os.FileInfo) (uint64, bool) {
return 0, false
}

74
vendor/github.com/tonistiigi/fsutil/copy/mkdir.go generated vendored Normal file
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@ -0,0 +1,74 @@
package fs
import (
"os"
"syscall"
"time"
)
func Chown(p string, user *ChownOpt) error {
if user != nil {
if err := os.Lchown(p, user.Uid, user.Gid); err != nil {
return err
}
}
return nil
}
// MkdirAll is forked os.MkdirAll
func MkdirAll(path string, perm os.FileMode, user *ChownOpt, tm *time.Time) error {
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{Op: "mkdir", Path: path, Err: syscall.ENOTDIR}
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(path)
for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent.
err = MkdirAll(fixRootDirectory(path[:j-1]), perm, user, tm)
if err != nil {
return err
}
}
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
if err := Chown(path, user); err != nil {
return err
}
if err := Utimes(path, tm); err != nil {
return err
}
return nil
}

32
vendor/github.com/tonistiigi/fsutil/copy/mkdir_unix.go generated vendored Normal file
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@ -0,0 +1,32 @@
// +build !windows
package fs
import (
"time"
"github.com/pkg/errors"
"golang.org/x/sys/unix"
)
func fixRootDirectory(p string) string {
return p
}
func Utimes(p string, tm *time.Time) error {
if tm == nil {
return nil
}
ts, err := unix.TimeToTimespec(*tm)
if err != nil {
return err
}
timespec := []unix.Timespec{ts, ts}
if err := unix.UtimesNanoAt(unix.AT_FDCWD, p, timespec, unix.AT_SYMLINK_NOFOLLOW); err != nil {
return errors.Wrapf(err, "failed to utime %s", p)
}
return nil
}

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@ -0,0 +1,21 @@
// +build windows
package fs
import (
"os"
"time"
)
func fixRootDirectory(p string) string {
if len(p) == len(`\\?\c:`) {
if os.IsPathSeparator(p[0]) && os.IsPathSeparator(p[1]) && p[2] == '?' && os.IsPathSeparator(p[3]) && p[5] == ':' {
return p + `\`
}
}
return p
}
func Utimes(p string, tm *time.Time) error {
return nil
}

3
vendor/modules.txt vendored
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@ -210,9 +210,10 @@ github.com/stretchr/testify/require
github.com/stretchr/testify/assert
# github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8
github.com/syndtr/gocapability/capability
# github.com/tonistiigi/fsutil v0.0.0-20190314220245-1ec1983587cd
# github.com/tonistiigi/fsutil v0.0.0-20190316003333-2a10686c7e92
github.com/tonistiigi/fsutil
github.com/tonistiigi/fsutil/types
github.com/tonistiigi/fsutil/copy
# github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea
github.com/tonistiigi/units
# github.com/uber/jaeger-client-go v0.0.0-20180103221425-e02c85f9069e