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Merge 'v1.5.2' into master

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This commit is contained in:
Fernandez Ludovic 2018-02-12 15:26:49 +01:00
commit 794c0206f3
338 changed files with 4158 additions and 48549 deletions
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107
vendor/github.com/docker/docker/builder/builder.go generated vendored
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@ -1,107 +0,0 @@
// Package builder defines interfaces for any Docker builder to implement.
//
// Historically, only server-side Dockerfile interpreters existed.
// This package allows for other implementations of Docker builders.
package builder
import (
"io"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/backend"
"github.com/docker/docker/api/types/container"
containerpkg "github.com/docker/docker/container"
"github.com/docker/docker/layer"
"github.com/docker/docker/pkg/containerfs"
"golang.org/x/net/context"
)
const (
// DefaultDockerfileName is the Default filename with Docker commands, read by docker build
DefaultDockerfileName string = "Dockerfile"
)
// Source defines a location that can be used as a source for the ADD/COPY
// instructions in the builder.
type Source interface {
// Root returns root path for accessing source
Root() containerfs.ContainerFS
// Close allows to signal that the filesystem tree won't be used anymore.
// For Context implementations using a temporary directory, it is recommended to
// delete the temporary directory in Close().
Close() error
// Hash returns a checksum for a file
Hash(path string) (string, error)
}
// Backend abstracts calls to a Docker Daemon.
type Backend interface {
ImageBackend
ExecBackend
// Commit creates a new Docker image from an existing Docker container.
Commit(string, *backend.ContainerCommitConfig) (string, error)
// ContainerCreateWorkdir creates the workdir
ContainerCreateWorkdir(containerID string) error
CreateImage(config []byte, parent string, platform string) (Image, error)
ImageCacheBuilder
}
// ImageBackend are the interface methods required from an image component
type ImageBackend interface {
GetImageAndReleasableLayer(ctx context.Context, refOrID string, opts backend.GetImageAndLayerOptions) (Image, ReleaseableLayer, error)
}
// ExecBackend contains the interface methods required for executing containers
type ExecBackend interface {
// ContainerAttachRaw attaches to container.
ContainerAttachRaw(cID string, stdin io.ReadCloser, stdout, stderr io.Writer, stream bool, attached chan struct{}) error
// ContainerCreate creates a new Docker container and returns potential warnings
ContainerCreate(config types.ContainerCreateConfig) (container.ContainerCreateCreatedBody, error)
// ContainerRm removes a container specified by `id`.
ContainerRm(name string, config *types.ContainerRmConfig) error
// ContainerKill stops the container execution abruptly.
ContainerKill(containerID string, sig uint64) error
// ContainerStart starts a new container
ContainerStart(containerID string, hostConfig *container.HostConfig, checkpoint string, checkpointDir string) error
// ContainerWait stops processing until the given container is stopped.
ContainerWait(ctx context.Context, name string, condition containerpkg.WaitCondition) (<-chan containerpkg.StateStatus, error)
}
// Result is the output produced by a Builder
type Result struct {
ImageID string
FromImage Image
}
// ImageCacheBuilder represents a generator for stateful image cache.
type ImageCacheBuilder interface {
// MakeImageCache creates a stateful image cache.
MakeImageCache(cacheFrom []string, platform string) ImageCache
}
// ImageCache abstracts an image cache.
// (parent image, child runconfig) -> child image
type ImageCache interface {
// GetCache returns a reference to a cached image whose parent equals `parent`
// and runconfig equals `cfg`. A cache miss is expected to return an empty ID and a nil error.
GetCache(parentID string, cfg *container.Config) (imageID string, err error)
}
// Image represents a Docker image used by the builder.
type Image interface {
ImageID() string
RunConfig() *container.Config
MarshalJSON() ([]byte, error)
OperatingSystem() string
}
// ReleaseableLayer is an image layer that can be mounted and released
type ReleaseableLayer interface {
Release() error
Mount() (containerfs.ContainerFS, error)
Commit(platform string) (ReleaseableLayer, error)
DiffID() layer.DiffID
}

129
vendor/github.com/docker/docker/builder/remotecontext/archive.go generated vendored
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@ -1,129 +0,0 @@
package remotecontext
import (
"io"
"os"
"path/filepath"
"github.com/docker/docker/builder"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/chrootarchive"
"github.com/docker/docker/pkg/containerfs"
"github.com/docker/docker/pkg/ioutils"
"github.com/docker/docker/pkg/tarsum"
"github.com/pkg/errors"
)
type archiveContext struct {
root containerfs.ContainerFS
sums tarsum.FileInfoSums
}
func (c *archiveContext) Close() error {
return c.root.RemoveAll(c.root.Path())
}
func convertPathError(err error, cleanpath string) error {
if err, ok := err.(*os.PathError); ok {
err.Path = cleanpath
return err
}
return err
}
type modifiableContext interface {
builder.Source
// Remove deletes the entry specified by `path`.
// It is usual for directory entries to delete all its subentries.
Remove(path string) error
}
// FromArchive returns a build source from a tar stream.
//
// It extracts the tar stream to a temporary folder that is deleted as soon as
// the Context is closed.
// As the extraction happens, a tarsum is calculated for every file, and the set of
// all those sums then becomes the source of truth for all operations on this Context.
//
// Closing tarStream has to be done by the caller.
func FromArchive(tarStream io.Reader) (builder.Source, error) {
root, err := ioutils.TempDir("", "docker-builder")
if err != nil {
return nil, err
}
// Assume local file system. Since it's coming from a tar file.
tsc := &archiveContext{root: containerfs.NewLocalContainerFS(root)}
// Make sure we clean-up upon error. In the happy case the caller
// is expected to manage the clean-up
defer func() {
if err != nil {
tsc.Close()
}
}()
decompressedStream, err := archive.DecompressStream(tarStream)
if err != nil {
return nil, err
}
sum, err := tarsum.NewTarSum(decompressedStream, true, tarsum.Version1)
if err != nil {
return nil, err
}
err = chrootarchive.Untar(sum, root, nil)
if err != nil {
return nil, err
}
tsc.sums = sum.GetSums()
return tsc, nil
}
func (c *archiveContext) Root() containerfs.ContainerFS {
return c.root
}
func (c *archiveContext) Remove(path string) error {
_, fullpath, err := normalize(path, c.root)
if err != nil {
return err
}
return c.root.RemoveAll(fullpath)
}
func (c *archiveContext) Hash(path string) (string, error) {
cleanpath, fullpath, err := normalize(path, c.root)
if err != nil {
return "", err
}
rel, err := c.root.Rel(c.root.Path(), fullpath)
if err != nil {
return "", convertPathError(err, cleanpath)
}
// Use the checksum of the followed path(not the possible symlink) because
// this is the file that is actually copied.
if tsInfo := c.sums.GetFile(filepath.ToSlash(rel)); tsInfo != nil {
return tsInfo.Sum(), nil
}
// We set sum to path by default for the case where GetFile returns nil.
// The usual case is if relative path is empty.
return path, nil // backwards compat TODO: see if really needed
}
func normalize(path string, root containerfs.ContainerFS) (cleanPath, fullPath string, err error) {
cleanPath = root.Clean(string(root.Separator()) + path)[1:]
fullPath, err = root.ResolveScopedPath(path, true)
if err != nil {
return "", "", errors.Wrapf(err, "forbidden path outside the build context: %s (%s)", path, cleanPath)
}
if _, err := root.Lstat(fullPath); err != nil {
return "", "", errors.WithStack(convertPathError(err, path))
}
return
}

183
vendor/github.com/docker/docker/builder/remotecontext/detect.go generated vendored
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@ -1,183 +0,0 @@
package remotecontext
import (
"bufio"
"fmt"
"io"
"os"
"strings"
"github.com/containerd/continuity/driver"
"github.com/docker/docker/api/types/backend"
"github.com/docker/docker/builder"
"github.com/docker/docker/builder/dockerfile/parser"
"github.com/docker/docker/builder/dockerignore"
"github.com/docker/docker/pkg/fileutils"
"github.com/docker/docker/pkg/urlutil"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// ClientSessionRemote is identifier for client-session context transport
const ClientSessionRemote = "client-session"
// Detect returns a context and dockerfile from remote location or local
// archive. progressReader is only used if remoteURL is actually a URL
// (not empty, and not a Git endpoint).
func Detect(config backend.BuildConfig) (remote builder.Source, dockerfile *parser.Result, err error) {
remoteURL := config.Options.RemoteContext
dockerfilePath := config.Options.Dockerfile
switch {
case remoteURL == "":
remote, dockerfile, err = newArchiveRemote(config.Source, dockerfilePath)
case remoteURL == ClientSessionRemote:
res, err := parser.Parse(config.Source)
if err != nil {
return nil, nil, err
}
return nil, res, nil
case urlutil.IsGitURL(remoteURL):
remote, dockerfile, err = newGitRemote(remoteURL, dockerfilePath)
case urlutil.IsURL(remoteURL):
remote, dockerfile, err = newURLRemote(remoteURL, dockerfilePath, config.ProgressWriter.ProgressReaderFunc)
default:
err = fmt.Errorf("remoteURL (%s) could not be recognized as URL", remoteURL)
}
return
}
func newArchiveRemote(rc io.ReadCloser, dockerfilePath string) (builder.Source, *parser.Result, error) {
defer rc.Close()
c, err := FromArchive(rc)
if err != nil {
return nil, nil, err
}
return withDockerfileFromContext(c.(modifiableContext), dockerfilePath)
}
func withDockerfileFromContext(c modifiableContext, dockerfilePath string) (builder.Source, *parser.Result, error) {
df, err := openAt(c, dockerfilePath)
if err != nil {
if os.IsNotExist(err) {
if dockerfilePath == builder.DefaultDockerfileName {
lowercase := strings.ToLower(dockerfilePath)
if _, err := StatAt(c, lowercase); err == nil {
return withDockerfileFromContext(c, lowercase)
}
}
return nil, nil, errors.Errorf("Cannot locate specified Dockerfile: %s", dockerfilePath) // backwards compatible error
}
c.Close()
return nil, nil, err
}
res, err := readAndParseDockerfile(dockerfilePath, df)
if err != nil {
return nil, nil, err
}
df.Close()
if err := removeDockerfile(c, dockerfilePath); err != nil {
c.Close()
return nil, nil, err
}
return c, res, nil
}
func newGitRemote(gitURL string, dockerfilePath string) (builder.Source, *parser.Result, error) {
c, err := MakeGitContext(gitURL) // TODO: change this to NewLazySource
if err != nil {
return nil, nil, err
}
return withDockerfileFromContext(c.(modifiableContext), dockerfilePath)
}
func newURLRemote(url string, dockerfilePath string, progressReader func(in io.ReadCloser) io.ReadCloser) (builder.Source, *parser.Result, error) {
var dockerfile io.ReadCloser
dockerfileFoundErr := errors.New("found-dockerfile")
c, err := MakeRemoteContext(url, map[string]func(io.ReadCloser) (io.ReadCloser, error){
mimeTypes.TextPlain: func(rc io.ReadCloser) (io.ReadCloser, error) {
dockerfile = rc
return nil, dockerfileFoundErr
},
// fallback handler (tar context)
"": func(rc io.ReadCloser) (io.ReadCloser, error) {
return progressReader(rc), nil
},
})
switch {
case err == dockerfileFoundErr:
res, err := parser.Parse(dockerfile)
return nil, res, err
case err != nil:
return nil, nil, err
}
return withDockerfileFromContext(c.(modifiableContext), dockerfilePath)
}
func removeDockerfile(c modifiableContext, filesToRemove ...string) error {
f, err := openAt(c, ".dockerignore")
// Note that a missing .dockerignore file isn't treated as an error
switch {
case os.IsNotExist(err):
return nil
case err != nil:
return err
}
excludes, err := dockerignore.ReadAll(f)
if err != nil {
f.Close()
return err
}
f.Close()
filesToRemove = append([]string{".dockerignore"}, filesToRemove...)
for _, fileToRemove := range filesToRemove {
if rm, _ := fileutils.Matches(fileToRemove, excludes); rm {
if err := c.Remove(fileToRemove); err != nil {
logrus.Errorf("failed to remove %s: %v", fileToRemove, err)
}
}
}
return nil
}
func readAndParseDockerfile(name string, rc io.Reader) (*parser.Result, error) {
br := bufio.NewReader(rc)
if _, err := br.Peek(1); err != nil {
if err == io.EOF {
return nil, errors.Errorf("the Dockerfile (%s) cannot be empty", name)
}
return nil, errors.Wrap(err, "unexpected error reading Dockerfile")
}
return parser.Parse(br)
}
func openAt(remote builder.Source, path string) (driver.File, error) {
fullPath, err := FullPath(remote, path)
if err != nil {
return nil, err
}
return remote.Root().Open(fullPath)
}
// StatAt is a helper for calling Stat on a path from a source
func StatAt(remote builder.Source, path string) (os.FileInfo, error) {
fullPath, err := FullPath(remote, path)
if err != nil {
return nil, err
}
return remote.Root().Stat(fullPath)
}
// FullPath is a helper for getting a full path for a path from a source
func FullPath(remote builder.Source, path string) (string, error) {
fullPath, err := remote.Root().ResolveScopedPath(path, true)
if err != nil {
return "", fmt.Errorf("Forbidden path outside the build context: %s (%s)", path, fullPath) // backwards compat with old error
}
return fullPath, nil
}

75
vendor/github.com/docker/docker/builder/remotecontext/errors.go generated vendored
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@ -1,75 +0,0 @@
package remotecontext
type notFoundError string
func (e notFoundError) Error() string {
return string(e)
}
func (notFoundError) NotFound() {}
type requestError string
func (e requestError) Error() string {
return string(e)
}
func (e requestError) InvalidParameter() {}
type unauthorizedError string
func (e unauthorizedError) Error() string {
return string(e)
}
func (unauthorizedError) Unauthorized() {}
type forbiddenError string
func (e forbiddenError) Error() string {
return string(e)
}
func (forbiddenError) Forbidden() {}
type dnsError struct {
cause error
}
func (e dnsError) Error() string {
return e.cause.Error()
}
func (e dnsError) NotFound() {}
func (e dnsError) Cause() error {
return e.cause
}
type systemError struct {
cause error
}
func (e systemError) Error() string {
return e.cause.Error()
}
func (e systemError) SystemError() {}
func (e systemError) Cause() error {
return e.cause
}
type unknownError struct {
cause error
}
func (e unknownError) Error() string {
return e.cause.Error()
}
func (unknownError) Unknown() {}
func (e unknownError) Cause() error {
return e.cause
}

45
vendor/github.com/docker/docker/builder/remotecontext/filehash.go generated vendored
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@ -1,45 +0,0 @@
package remotecontext
import (
"archive/tar"
"crypto/sha256"
"hash"
"os"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/tarsum"
)
// NewFileHash returns new hash that is used for the builder cache keys
func NewFileHash(path, name string, fi os.FileInfo) (hash.Hash, error) {
var link string
if fi.Mode()&os.ModeSymlink != 0 {
var err error
link, err = os.Readlink(path)
if err != nil {
return nil, err
}
}
hdr, err := archive.FileInfoHeader(name, fi, link)
if err != nil {
return nil, err
}
if err := archive.ReadSecurityXattrToTarHeader(path, hdr); err != nil {
return nil, err
}
tsh := &tarsumHash{hdr: hdr, Hash: sha256.New()}
tsh.Reset() // initialize header
return tsh, nil
}
type tarsumHash struct {
hash.Hash
hdr *tar.Header
}
// Reset resets the Hash to its initial state.
func (tsh *tarsumHash) Reset() {
// comply with hash.Hash and reset to the state hash had before any writes
tsh.Hash.Reset()
tarsum.WriteV1Header(tsh.hdr, tsh.Hash)
}

3
vendor/github.com/docker/docker/builder/remotecontext/generate.go generated vendored
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@ -1,3 +0,0 @@
package remotecontext
//go:generate protoc --gogoslick_out=. tarsum.proto

29
vendor/github.com/docker/docker/builder/remotecontext/git.go generated vendored
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@ -1,29 +0,0 @@
package remotecontext
import (
"os"
"github.com/docker/docker/builder"
"github.com/docker/docker/builder/remotecontext/git"
"github.com/docker/docker/pkg/archive"
)
// MakeGitContext returns a Context from gitURL that is cloned in a temporary directory.
func MakeGitContext(gitURL string) (builder.Source, error) {
root, err := git.Clone(gitURL)
if err != nil {
return nil, err
}
c, err := archive.Tar(root, archive.Uncompressed)
if err != nil {
return nil, err
}
defer func() {
// TODO: print errors?
c.Close()
os.RemoveAll(root)
}()
return FromArchive(c)
}

100
vendor/github.com/docker/docker/builder/remotecontext/lazycontext.go generated vendored
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@ -1,100 +0,0 @@
package remotecontext
import (
"encoding/hex"
"os"
"strings"
"github.com/docker/docker/builder"
"github.com/docker/docker/pkg/containerfs"
"github.com/docker/docker/pkg/pools"
"github.com/pkg/errors"
)
// NewLazySource creates a new LazyContext. LazyContext defines a hashed build
// context based on a root directory. Individual files are hashed first time
// they are asked. It is not safe to call methods of LazyContext concurrently.
func NewLazySource(root containerfs.ContainerFS) (builder.Source, error) {
return &lazySource{
root: root,
sums: make(map[string]string),
}, nil
}
type lazySource struct {
root containerfs.ContainerFS
sums map[string]string
}
func (c *lazySource) Root() containerfs.ContainerFS {
return c.root
}
func (c *lazySource) Close() error {
return nil
}
func (c *lazySource) Hash(path string) (string, error) {
cleanPath, fullPath, err := normalize(path, c.root)
if err != nil {
return "", err
}
fi, err := c.root.Lstat(fullPath)
if err != nil {
return "", errors.WithStack(err)
}
relPath, err := Rel(c.root, fullPath)
if err != nil {
return "", errors.WithStack(convertPathError(err, cleanPath))
}
sum, ok := c.sums[relPath]
if !ok {
sum, err = c.prepareHash(relPath, fi)
if err != nil {
return "", err
}
}
return sum, nil
}
func (c *lazySource) prepareHash(relPath string, fi os.FileInfo) (string, error) {
p := c.root.Join(c.root.Path(), relPath)
h, err := NewFileHash(p, relPath, fi)
if err != nil {
return "", errors.Wrapf(err, "failed to create hash for %s", relPath)
}
if fi.Mode().IsRegular() && fi.Size() > 0 {
f, err := c.root.Open(p)
if err != nil {
return "", errors.Wrapf(err, "failed to open %s", relPath)
}
defer f.Close()
if _, err := pools.Copy(h, f); err != nil {
return "", errors.Wrapf(err, "failed to copy file data for %s", relPath)
}
}
sum := hex.EncodeToString(h.Sum(nil))
c.sums[relPath] = sum
return sum, nil
}
// Rel makes a path relative to base path. Same as `filepath.Rel` but can also
// handle UUID paths in windows.
func Rel(basepath containerfs.ContainerFS, targpath string) (string, error) {
// filepath.Rel can't handle UUID paths in windows
if basepath.OS() == "windows" {
pfx := basepath.Path() + `\`
if strings.HasPrefix(targpath, pfx) {
p := strings.TrimPrefix(targpath, pfx)
if p == "" {
p = "."
}
return p, nil
}
}
return basepath.Rel(basepath.Path(), targpath)
}

27
vendor/github.com/docker/docker/builder/remotecontext/mimetype.go generated vendored
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@ -1,27 +0,0 @@
package remotecontext
import (
"mime"
"net/http"
)
// mimeTypes stores the MIME content type.
var mimeTypes = struct {
TextPlain string
OctetStream string
}{"text/plain", "application/octet-stream"}
// detectContentType returns a best guess representation of the MIME
// content type for the bytes at c. The value detected by
// http.DetectContentType is guaranteed not be nil, defaulting to
// application/octet-stream when a better guess cannot be made. The
// result of this detection is then run through mime.ParseMediaType()
// which separates the actual MIME string from any parameters.
func detectContentType(c []byte) (string, map[string]string, error) {
ct := http.DetectContentType(c)
contentType, args, err := mime.ParseMediaType(ct)
if err != nil {
return "", nil, err
}
return contentType, args, nil
}

153
vendor/github.com/docker/docker/builder/remotecontext/remote.go generated vendored
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@ -1,153 +0,0 @@
package remotecontext
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/url"
"regexp"
"github.com/docker/docker/builder"
"github.com/pkg/errors"
)
// When downloading remote contexts, limit the amount (in bytes)
// to be read from the response body in order to detect its Content-Type
const maxPreambleLength = 100
const acceptableRemoteMIME = `(?:application/(?:(?:x\-)?tar|octet\-stream|((?:x\-)?(?:gzip|bzip2?|xz)))|(?:text/plain))`
var mimeRe = regexp.MustCompile(acceptableRemoteMIME)
// MakeRemoteContext downloads a context from remoteURL and returns it.
//
// If contentTypeHandlers is non-nil, then the Content-Type header is read along with a maximum of
// maxPreambleLength bytes from the body to help detecting the MIME type.
// Look at acceptableRemoteMIME for more details.
//
// If a match is found, then the body is sent to the contentType handler and a (potentially compressed) tar stream is expected
// to be returned. If no match is found, it is assumed the body is a tar stream (compressed or not).
// In either case, an (assumed) tar stream is passed to FromArchive whose result is returned.
func MakeRemoteContext(remoteURL string, contentTypeHandlers map[string]func(io.ReadCloser) (io.ReadCloser, error)) (builder.Source, error) {
f, err := GetWithStatusError(remoteURL)
if err != nil {
return nil, fmt.Errorf("error downloading remote context %s: %v", remoteURL, err)
}
defer f.Body.Close()
var contextReader io.ReadCloser
if contentTypeHandlers != nil {
contentType := f.Header.Get("Content-Type")
clen := f.ContentLength
contentType, contextReader, err = inspectResponse(contentType, f.Body, clen)
if err != nil {
return nil, fmt.Errorf("error detecting content type for remote %s: %v", remoteURL, err)
}
defer contextReader.Close()
// This loop tries to find a content-type handler for the detected content-type.
// If it could not find one from the caller-supplied map, it tries the empty content-type `""`
// which is interpreted as a fallback handler (usually used for raw tar contexts).
for _, ct := range []string{contentType, ""} {
if fn, ok := contentTypeHandlers[ct]; ok {
defer contextReader.Close()
if contextReader, err = fn(contextReader); err != nil {
return nil, err
}
break
}
}
}
// Pass through - this is a pre-packaged context, presumably
// with a Dockerfile with the right name inside it.
return FromArchive(contextReader)
}
// GetWithStatusError does an http.Get() and returns an error if the
// status code is 4xx or 5xx.
func GetWithStatusError(address string) (resp *http.Response, err error) {
if resp, err = http.Get(address); err != nil {
if uerr, ok := err.(*url.Error); ok {
if derr, ok := uerr.Err.(*net.DNSError); ok && !derr.IsTimeout {
return nil, dnsError{err}
}
}
return nil, systemError{err}
}
if resp.StatusCode < 400 {
return resp, nil
}
msg := fmt.Sprintf("failed to GET %s with status %s", address, resp.Status)
body, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, errors.Wrap(systemError{err}, msg+": error reading body")
}
msg += ": " + string(bytes.TrimSpace(body))
switch resp.StatusCode {
case http.StatusNotFound:
return nil, notFoundError(msg)
case http.StatusBadRequest:
return nil, requestError(msg)
case http.StatusUnauthorized:
return nil, unauthorizedError(msg)
case http.StatusForbidden:
return nil, forbiddenError(msg)
}
return nil, unknownError{errors.New(msg)}
}
// inspectResponse looks into the http response data at r to determine whether its
// content-type is on the list of acceptable content types for remote build contexts.
// This function returns:
// - a string representation of the detected content-type
// - an io.Reader for the response body
// - an error value which will be non-nil either when something goes wrong while
// reading bytes from r or when the detected content-type is not acceptable.
func inspectResponse(ct string, r io.Reader, clen int64) (string, io.ReadCloser, error) {
plen := clen
if plen <= 0 || plen > maxPreambleLength {
plen = maxPreambleLength
}
preamble := make([]byte, plen)
rlen, err := r.Read(preamble)
if rlen == 0 {
return ct, ioutil.NopCloser(r), errors.New("empty response")
}
if err != nil && err != io.EOF {
return ct, ioutil.NopCloser(r), err
}
preambleR := bytes.NewReader(preamble[:rlen])
bodyReader := ioutil.NopCloser(io.MultiReader(preambleR, r))
// Some web servers will use application/octet-stream as the default
// content type for files without an extension (e.g. 'Dockerfile')
// so if we receive this value we better check for text content
contentType := ct
if len(ct) == 0 || ct == mimeTypes.OctetStream {
contentType, _, err = detectContentType(preamble)
if err != nil {
return contentType, bodyReader, err
}
}
contentType = selectAcceptableMIME(contentType)
var cterr error
if len(contentType) == 0 {
cterr = fmt.Errorf("unsupported Content-Type %q", ct)
contentType = ct
}
return contentType, bodyReader, cterr
}
func selectAcceptableMIME(ct string) string {
return mimeRe.FindString(ct)
}

157
vendor/github.com/docker/docker/builder/remotecontext/tarsum.go generated vendored
View file

@ -1,157 +0,0 @@
package remotecontext
import (
"os"
"sync"
"github.com/docker/docker/pkg/containerfs"
iradix "github.com/hashicorp/go-immutable-radix"
digest "github.com/opencontainers/go-digest"
"github.com/pkg/errors"
"github.com/tonistiigi/fsutil"
)
type hashed interface {
Digest() digest.Digest
}
// CachableSource is a source that contains cache records for its contents
type CachableSource struct {
mu sync.Mutex
root containerfs.ContainerFS
tree *iradix.Tree
txn *iradix.Txn
}
// NewCachableSource creates new CachableSource
func NewCachableSource(root string) *CachableSource {
ts := &CachableSource{
tree: iradix.New(),
root: containerfs.NewLocalContainerFS(root),
}
return ts
}
// MarshalBinary marshals current cache information to a byte array
func (cs *CachableSource) MarshalBinary() ([]byte, error) {
b := TarsumBackup{Hashes: make(map[string]string)}
root := cs.getRoot()
root.Walk(func(k []byte, v interface{}) bool {
b.Hashes[string(k)] = v.(*fileInfo).sum
return false
})
return b.Marshal()
}
// UnmarshalBinary decodes cache information for presented byte array
func (cs *CachableSource) UnmarshalBinary(data []byte) error {
var b TarsumBackup
if err := b.Unmarshal(data); err != nil {
return err
}
txn := iradix.New().Txn()
for p, v := range b.Hashes {
txn.Insert([]byte(p), &fileInfo{sum: v})
}
cs.mu.Lock()
defer cs.mu.Unlock()
cs.tree = txn.Commit()
return nil
}
// Scan rescans the cache information from the file system
func (cs *CachableSource) Scan() error {
lc, err := NewLazySource(cs.root)
if err != nil {
return err
}
txn := iradix.New().Txn()
err = cs.root.Walk(cs.root.Path(), func(path string, info os.FileInfo, err error) error {
if err != nil {
return errors.Wrapf(err, "failed to walk %s", path)
}
rel, err := Rel(cs.root, path)
if err != nil {
return err
}
h, err := lc.Hash(rel)
if err != nil {
return err
}
txn.Insert([]byte(rel), &fileInfo{sum: h})
return nil
})
if err != nil {
return err
}
cs.mu.Lock()
defer cs.mu.Unlock()
cs.tree = txn.Commit()
return nil
}
// HandleChange notifies the source about a modification operation
func (cs *CachableSource) HandleChange(kind fsutil.ChangeKind, p string, fi os.FileInfo, err error) (retErr error) {
cs.mu.Lock()
if cs.txn == nil {
cs.txn = cs.tree.Txn()
}
if kind == fsutil.ChangeKindDelete {
cs.txn.Delete([]byte(p))
cs.mu.Unlock()
return
}
h, ok := fi.(hashed)
if !ok {
cs.mu.Unlock()
return errors.Errorf("invalid fileinfo: %s", p)
}
hfi := &fileInfo{
sum: h.Digest().Hex(),
}
cs.txn.Insert([]byte(p), hfi)
cs.mu.Unlock()
return nil
}
func (cs *CachableSource) getRoot() *iradix.Node {
cs.mu.Lock()
if cs.txn != nil {
cs.tree = cs.txn.Commit()
cs.txn = nil
}
t := cs.tree
cs.mu.Unlock()
return t.Root()
}
// Close closes the source
func (cs *CachableSource) Close() error {
return nil
}
// Hash returns a hash for a single file in the source
func (cs *CachableSource) Hash(path string) (string, error) {
n := cs.getRoot()
// TODO: check this for symlinks
v, ok := n.Get([]byte(path))
if !ok {
return path, nil
}
return v.(*fileInfo).sum, nil
}
// Root returns a root directory for the source
func (cs *CachableSource) Root() containerfs.ContainerFS {
return cs.root
}
type fileInfo struct {
sum string
}
func (fi *fileInfo) Hash() string {
return fi.sum
}

525
vendor/github.com/docker/docker/builder/remotecontext/tarsum.pb.go generated vendored
View file

@ -1,525 +0,0 @@
// Code generated by protoc-gen-gogo.
// source: tarsum.proto
// DO NOT EDIT!
/*
Package remotecontext is a generated protocol buffer package.
It is generated from these files:
tarsum.proto
It has these top-level messages:
TarsumBackup
*/
package remotecontext
import proto "github.com/gogo/protobuf/proto"
import fmt "fmt"
import math "math"
import strings "strings"
import reflect "reflect"
import github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
import io "io"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
type TarsumBackup struct {
Hashes map[string]string `protobuf:"bytes,1,rep,name=Hashes" json:"Hashes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
}
func (m *TarsumBackup) Reset() { *m = TarsumBackup{} }
func (*TarsumBackup) ProtoMessage() {}
func (*TarsumBackup) Descriptor() ([]byte, []int) { return fileDescriptorTarsum, []int{0} }
func (m *TarsumBackup) GetHashes() map[string]string {
if m != nil {
return m.Hashes
}
return nil
}
func init() {
proto.RegisterType((*TarsumBackup)(nil), "remotecontext.TarsumBackup")
}
func (this *TarsumBackup) Equal(that interface{}) bool {
if that == nil {
if this == nil {
return true
}
return false
}
that1, ok := that.(*TarsumBackup)
if !ok {
that2, ok := that.(TarsumBackup)
if ok {
that1 = &that2
} else {
return false
}
}
if that1 == nil {
if this == nil {
return true
}
return false
} else if this == nil {
return false
}
if len(this.Hashes) != len(that1.Hashes) {
return false
}
for i := range this.Hashes {
if this.Hashes[i] != that1.Hashes[i] {
return false
}
}
return true
}
func (this *TarsumBackup) GoString() string {
if this == nil {
return "nil"
}
s := make([]string, 0, 5)
s = append(s, "&remotecontext.TarsumBackup{")
keysForHashes := make([]string, 0, len(this.Hashes))
for k := range this.Hashes {
keysForHashes = append(keysForHashes, k)
}
github_com_gogo_protobuf_sortkeys.Strings(keysForHashes)
mapStringForHashes := "map[string]string{"
for _, k := range keysForHashes {
mapStringForHashes += fmt.Sprintf("%#v: %#v,", k, this.Hashes[k])
}
mapStringForHashes += "}"
if this.Hashes != nil {
s = append(s, "Hashes: "+mapStringForHashes+",\n")
}
s = append(s, "}")
return strings.Join(s, "")
}
func valueToGoStringTarsum(v interface{}, typ string) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
return "nil"
}
pv := reflect.Indirect(rv).Interface()
return fmt.Sprintf("func(v %v) *%v { return &v } ( %#v )", typ, typ, pv)
}
func (m *TarsumBackup) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *TarsumBackup) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if len(m.Hashes) > 0 {
for k := range m.Hashes {
dAtA[i] = 0xa
i++
v := m.Hashes[k]
mapSize := 1 + len(k) + sovTarsum(uint64(len(k))) + 1 + len(v) + sovTarsum(uint64(len(v)))
i = encodeVarintTarsum(dAtA, i, uint64(mapSize))
dAtA[i] = 0xa
i++
i = encodeVarintTarsum(dAtA, i, uint64(len(k)))
i += copy(dAtA[i:], k)
dAtA[i] = 0x12
i++
i = encodeVarintTarsum(dAtA, i, uint64(len(v)))
i += copy(dAtA[i:], v)
}
}
return i, nil
}
func encodeFixed64Tarsum(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
dAtA[offset+2] = uint8(v >> 16)
dAtA[offset+3] = uint8(v >> 24)
dAtA[offset+4] = uint8(v >> 32)
dAtA[offset+5] = uint8(v >> 40)
dAtA[offset+6] = uint8(v >> 48)
dAtA[offset+7] = uint8(v >> 56)
return offset + 8
}
func encodeFixed32Tarsum(dAtA []byte, offset int, v uint32) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
dAtA[offset+2] = uint8(v >> 16)
dAtA[offset+3] = uint8(v >> 24)
return offset + 4
}
func encodeVarintTarsum(dAtA []byte, offset int, v uint64) int {
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
v >>= 7
offset++
}
dAtA[offset] = uint8(v)
return offset + 1
}
func (m *TarsumBackup) Size() (n int) {
var l int
_ = l
if len(m.Hashes) > 0 {
for k, v := range m.Hashes {
_ = k
_ = v
mapEntrySize := 1 + len(k) + sovTarsum(uint64(len(k))) + 1 + len(v) + sovTarsum(uint64(len(v)))
n += mapEntrySize + 1 + sovTarsum(uint64(mapEntrySize))
}
}
return n
}
func sovTarsum(x uint64) (n int) {
for {
n++
x >>= 7
if x == 0 {
break
}
}
return n
}
func sozTarsum(x uint64) (n int) {
return sovTarsum(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (this *TarsumBackup) String() string {
if this == nil {
return "nil"
}
keysForHashes := make([]string, 0, len(this.Hashes))
for k := range this.Hashes {
keysForHashes = append(keysForHashes, k)
}
github_com_gogo_protobuf_sortkeys.Strings(keysForHashes)
mapStringForHashes := "map[string]string{"
for _, k := range keysForHashes {
mapStringForHashes += fmt.Sprintf("%v: %v,", k, this.Hashes[k])
}
mapStringForHashes += "}"
s := strings.Join([]string{`&TarsumBackup{`,
`Hashes:` + mapStringForHashes + `,`,
`}`,
}, "")
return s
}
func valueToStringTarsum(v interface{}) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
return "nil"
}
pv := reflect.Indirect(rv).Interface()
return fmt.Sprintf("*%v", pv)
}
func (m *TarsumBackup) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: TarsumBackup: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: TarsumBackup: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Hashes", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthTarsum
}
postIndex := iNdEx + msglen
if postIndex > l {
return io.ErrUnexpectedEOF
}
var keykey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
keykey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
var stringLenmapkey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapkey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapkey := int(stringLenmapkey)
if intStringLenmapkey < 0 {
return ErrInvalidLengthTarsum
}
postStringIndexmapkey := iNdEx + intStringLenmapkey
if postStringIndexmapkey > l {
return io.ErrUnexpectedEOF
}
mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
iNdEx = postStringIndexmapkey
if m.Hashes == nil {
m.Hashes = make(map[string]string)
}
if iNdEx < postIndex {
var valuekey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
valuekey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
var stringLenmapvalue uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTarsum
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapvalue |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapvalue := int(stringLenmapvalue)
if intStringLenmapvalue < 0 {
return ErrInvalidLengthTarsum
}
postStringIndexmapvalue := iNdEx + intStringLenmapvalue
if postStringIndexmapvalue > l {
return io.ErrUnexpectedEOF
}
mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
iNdEx = postStringIndexmapvalue
m.Hashes[mapkey] = mapvalue
} else {
var mapvalue string
m.Hashes[mapkey] = mapvalue
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipTarsum(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthTarsum
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipTarsum(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowTarsum
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowTarsum
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
iNdEx++
if dAtA[iNdEx-1] < 0x80 {
break
}
}
return iNdEx, nil
case 1:
iNdEx += 8
return iNdEx, nil
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowTarsum
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
iNdEx += length
if length < 0 {
return 0, ErrInvalidLengthTarsum
}
return iNdEx, nil
case 3:
for {
var innerWire uint64
var start int = iNdEx
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflowTarsum
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
innerWire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
innerWireType := int(innerWire & 0x7)
if innerWireType == 4 {
break
}
next, err := skipTarsum(dAtA[start:])
if err != nil {
return 0, err
}
iNdEx = start + next
}
return iNdEx, nil
case 4:
return iNdEx, nil
case 5:
iNdEx += 4
return iNdEx, nil
default:
return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
}
}
panic("unreachable")
}
var (
ErrInvalidLengthTarsum = fmt.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflowTarsum = fmt.Errorf("proto: integer overflow")
)
func init() { proto.RegisterFile("tarsum.proto", fileDescriptorTarsum) }
var fileDescriptorTarsum = []byte{
// 196 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0x29, 0x49, 0x2c, 0x2a,
0x2e, 0xcd, 0xd5, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0xe2, 0x2d, 0x4a, 0xcd, 0xcd, 0x2f, 0x49,
0x4d, 0xce, 0xcf, 0x2b, 0x49, 0xad, 0x28, 0x51, 0xea, 0x62, 0xe4, 0xe2, 0x09, 0x01, 0xcb, 0x3b,
0x25, 0x26, 0x67, 0x97, 0x16, 0x08, 0xd9, 0x73, 0xb1, 0x79, 0x24, 0x16, 0x67, 0xa4, 0x16, 0x4b,
0x30, 0x2a, 0x30, 0x6b, 0x70, 0x1b, 0xa9, 0xeb, 0xa1, 0x68, 0xd0, 0x43, 0x56, 0xac, 0x07, 0x51,
0xe9, 0x9a, 0x57, 0x52, 0x54, 0x19, 0x04, 0xd5, 0x26, 0x65, 0xc9, 0xc5, 0x8d, 0x24, 0x2c, 0x24,
0xc0, 0xc5, 0x9c, 0x9d, 0x5a, 0x29, 0xc1, 0xa8, 0xc0, 0xa8, 0xc1, 0x19, 0x04, 0x62, 0x0a, 0x89,
0x70, 0xb1, 0x96, 0x25, 0xe6, 0x94, 0xa6, 0x4a, 0x30, 0x81, 0xc5, 0x20, 0x1c, 0x2b, 0x26, 0x0b,
0x46, 0x27, 0x9d, 0x0b, 0x0f, 0xe5, 0x18, 0x6e, 0x3c, 0x94, 0x63, 0xf8, 0xf0, 0x50, 0x8e, 0xb1,
0xe1, 0x91, 0x1c, 0xe3, 0x8a, 0x47, 0x72, 0x8c, 0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78, 0x24, 0xc7,
0xf8, 0xe0, 0x91, 0x1c, 0xe3, 0x8b, 0x47, 0x72, 0x0c, 0x1f, 0x1e, 0xc9, 0x31, 0x4e, 0x78, 0x2c,
0xc7, 0x90, 0xc4, 0x06, 0xf6, 0x90, 0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x89, 0x57, 0x7d, 0x3f,
0xe0, 0x00, 0x00, 0x00,
}

150
vendor/github.com/docker/docker/cli/cobra.go generated vendored
View file

@ -1,150 +0,0 @@
package cli
import (
"fmt"
"strings"
"github.com/docker/docker/pkg/term"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// SetupRootCommand sets default usage, help, and error handling for the
// root command.
func SetupRootCommand(rootCmd *cobra.Command) {
cobra.AddTemplateFunc("hasSubCommands", hasSubCommands)
cobra.AddTemplateFunc("hasManagementSubCommands", hasManagementSubCommands)
cobra.AddTemplateFunc("operationSubCommands", operationSubCommands)
cobra.AddTemplateFunc("managementSubCommands", managementSubCommands)
cobra.AddTemplateFunc("wrappedFlagUsages", wrappedFlagUsages)
rootCmd.SetUsageTemplate(usageTemplate)
rootCmd.SetHelpTemplate(helpTemplate)
rootCmd.SetFlagErrorFunc(FlagErrorFunc)
rootCmd.SetHelpCommand(helpCommand)
rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
}
// FlagErrorFunc prints an error message which matches the format of the
// docker/docker/cli error messages
func FlagErrorFunc(cmd *cobra.Command, err error) error {
if err == nil {
return nil
}
usage := ""
if cmd.HasSubCommands() {
usage = "\n\n" + cmd.UsageString()
}
return StatusError{
Status: fmt.Sprintf("%s\nSee '%s --help'.%s", err, cmd.CommandPath(), usage),
StatusCode: 125,
}
}
var helpCommand = &cobra.Command{
Use: "help [command]",
Short: "Help about the command",
PersistentPreRun: func(cmd *cobra.Command, args []string) {},
PersistentPostRun: func(cmd *cobra.Command, args []string) {},
RunE: func(c *cobra.Command, args []string) error {
cmd, args, e := c.Root().Find(args)
if cmd == nil || e != nil || len(args) > 0 {
return errors.Errorf("unknown help topic: %v", strings.Join(args, " "))
}
helpFunc := cmd.HelpFunc()
helpFunc(cmd, args)
return nil
},
}
func hasSubCommands(cmd *cobra.Command) bool {
return len(operationSubCommands(cmd)) > 0
}
func hasManagementSubCommands(cmd *cobra.Command) bool {
return len(managementSubCommands(cmd)) > 0
}
func operationSubCommands(cmd *cobra.Command) []*cobra.Command {
cmds := []*cobra.Command{}
for _, sub := range cmd.Commands() {
if sub.IsAvailableCommand() && !sub.HasSubCommands() {
cmds = append(cmds, sub)
}
}
return cmds
}
func wrappedFlagUsages(cmd *cobra.Command) string {
width := 80
if ws, err := term.GetWinsize(0); err == nil {
width = int(ws.Width)
}
return cmd.Flags().FlagUsagesWrapped(width - 1)
}
func managementSubCommands(cmd *cobra.Command) []*cobra.Command {
cmds := []*cobra.Command{}
for _, sub := range cmd.Commands() {
if sub.IsAvailableCommand() && sub.HasSubCommands() {
cmds = append(cmds, sub)
}
}
return cmds
}
var usageTemplate = `Usage:
{{- if not .HasSubCommands}} {{.UseLine}}{{end}}
{{- if .HasSubCommands}} {{ .CommandPath}} COMMAND{{end}}
{{ .Short | trim }}
{{- if gt .Aliases 0}}
Aliases:
{{.NameAndAliases}}
{{- end}}
{{- if .HasExample}}
Examples:
{{ .Example }}
{{- end}}
{{- if .HasFlags}}
Options:
{{ wrappedFlagUsages . | trimRightSpace}}
{{- end}}
{{- if hasManagementSubCommands . }}
Management Commands:
{{- range managementSubCommands . }}
{{rpad .Name .NamePadding }} {{.Short}}
{{- end}}
{{- end}}
{{- if hasSubCommands .}}
Commands:
{{- range operationSubCommands . }}
{{rpad .Name .NamePadding }} {{.Short}}
{{- end}}
{{- end}}
{{- if .HasSubCommands }}
Run '{{.CommandPath}} COMMAND --help' for more information on a command.
{{- end}}
`
var helpTemplate = `
{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`

33
vendor/github.com/docker/docker/cli/error.go generated vendored
View file

@ -1,33 +0,0 @@
package cli
import (
"fmt"
"strings"
)
// Errors is a list of errors.
// Useful in a loop if you don't want to return the error right away and you want to display after the loop,
// all the errors that happened during the loop.
type Errors []error
func (errList Errors) Error() string {
if len(errList) < 1 {
return ""
}
out := make([]string, len(errList))
for i := range errList {
out[i] = errList[i].Error()
}
return strings.Join(out, ", ")
}
// StatusError reports an unsuccessful exit by a command.
type StatusError struct {
Status string
StatusCode int
}
func (e StatusError) Error() string {
return fmt.Sprintf("Status: %s, Code: %d", e.Status, e.StatusCode)
}

27
vendor/github.com/docker/docker/cli/required.go generated vendored
View file

@ -1,27 +0,0 @@
package cli
import (
"strings"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// NoArgs validates args and returns an error if there are any args
func NoArgs(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return nil
}
if cmd.HasSubCommands() {
return errors.Errorf("\n" + strings.TrimRight(cmd.UsageString(), "\n"))
}
return errors.Errorf(
"\"%s\" accepts no argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
cmd.CommandPath(),
cmd.CommandPath(),
cmd.UseLine(),
cmd.Short,
)
}

339
vendor/github.com/docker/docker/contrib/selinux-fedora-24/docker-engine-selinux/LICENSE generated vendored Normal file
View file

@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

340
vendor/github.com/docker/docker/contrib/selinux-oraclelinux-7/docker-engine-selinux/LICENSE generated vendored Normal file
View file

@ -0,0 +1,340 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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Copyright (c) 2013 Honza Pokorny
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.