migrate to go modules

1 files changed, 0 insertions, 485 deletions

diff --git a/vendor/github.com/shurcooL/vfsgen/generator.go b/vendor/github.com/shurcooL/vfsgen/generator.go
deleted file mode 100644
index 5782693e..00000000
--- a/vendor/github.com/shurcooL/vfsgen/generator.go
+++ /dev/null
@@ -1,485 +0,0 @@
-package vfsgen
-
-import (
-	"bytes"
-	"compress/gzip"
-	"errors"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	pathpkg "path"
-	"sort"
-	"strconv"
-	"text/template"
-	"time"
-
-	"github.com/shurcooL/httpfs/vfsutil"
-)
-
-// Generate Go code that statically implements input filesystem,
-// write the output to a file specified in opt.
-func Generate(input http.FileSystem, opt Options) error {
-	opt.fillMissing()
-
-	// Use an in-memory buffer to generate the entire output.
-	buf := new(bytes.Buffer)
-
-	err := t.ExecuteTemplate(buf, "Header", opt)
-	if err != nil {
-		return err
-	}
-
-	var toc toc
-	err = findAndWriteFiles(buf, input, &toc)
-	if err != nil {
-		return err
-	}
-
-	err = t.ExecuteTemplate(buf, "DirEntries", toc.dirs)
-	if err != nil {
-		return err
-	}
-
-	err = t.ExecuteTemplate(buf, "Trailer", toc)
-	if err != nil {
-		return err
-	}
-
-	// Write output file (all at once).
-	fmt.Println("writing", opt.Filename)
-	err = ioutil.WriteFile(opt.Filename, buf.Bytes(), 0644)
-	return err
-}
-
-type toc struct {
-	dirs []*dirInfo
-
-	HasCompressedFile bool // There's at least one compressedFile.
-	HasFile           bool // There's at least one uncompressed file.
-}
-
-// fileInfo is a definition of a file.
-type fileInfo struct {
-	Path             string
-	Name             string
-	ModTime          time.Time
-	UncompressedSize int64
-}
-
-// dirInfo is a definition of a directory.
-type dirInfo struct {
-	Path    string
-	Name    string
-	ModTime time.Time
-	Entries []string
-}
-
-// findAndWriteFiles recursively finds all the file paths in the given directory tree.
-// They are added to the given map as keys. Values will be safe function names
-// for each file, which will be used when generating the output code.
-func findAndWriteFiles(buf *bytes.Buffer, fs http.FileSystem, toc *toc) error {
-	walkFn := func(path string, fi os.FileInfo, r io.ReadSeeker, err error) error {
-		if err != nil {
-			// Consider all errors reading the input filesystem as fatal.
-			return err
-		}
-
-		switch fi.IsDir() {
-		case false:
-			file := &fileInfo{
-				Path:             path,
-				Name:             pathpkg.Base(path),
-				ModTime:          fi.ModTime().UTC(),
-				UncompressedSize: fi.Size(),
-			}
-
-			marker := buf.Len()
-
-			// Write CompressedFileInfo.
-			err = writeCompressedFileInfo(buf, file, r)
-			switch err {
-			default:
-				return err
-			case nil:
-				toc.HasCompressedFile = true
-			// If compressed file is not smaller than original, revert and write original file.
-			case errCompressedNotSmaller:
-				_, err = r.Seek(0, io.SeekStart)
-				if err != nil {
-					return err
-				}
-
-				buf.Truncate(marker)
-
-				// Write FileInfo.
-				err = writeFileInfo(buf, file, r)
-				if err != nil {
-					return err
-				}
-				toc.HasFile = true
-			}
-		case true:
-			entries, err := readDirPaths(fs, path)
-			if err != nil {
-				return err
-			}
-
-			dir := &dirInfo{
-				Path:    path,
-				Name:    pathpkg.Base(path),
-				ModTime: fi.ModTime().UTC(),
-				Entries: entries,
-			}
-
-			toc.dirs = append(toc.dirs, dir)
-
-			// Write DirInfo.
-			err = t.ExecuteTemplate(buf, "DirInfo", dir)
-			if err != nil {
-				return err
-			}
-		}
-
-		return nil
-	}
-
-	err := vfsutil.WalkFiles(fs, "/", walkFn)
-	return err
-}
-
-// readDirPaths reads the directory named by dirname and returns
-// a sorted list of directory paths.
-func readDirPaths(fs http.FileSystem, dirname string) ([]string, error) {
-	fis, err := vfsutil.ReadDir(fs, dirname)
-	if err != nil {
-		return nil, err
-	}
-	paths := make([]string, len(fis))
-	for i := range fis {
-		paths[i] = pathpkg.Join(dirname, fis[i].Name())
-	}
-	sort.Strings(paths)
-	return paths, nil
-}
-
-// writeCompressedFileInfo writes CompressedFileInfo.
-// It returns errCompressedNotSmaller if compressed file is not smaller than original.
-func writeCompressedFileInfo(w io.Writer, file *fileInfo, r io.Reader) error {
-	err := t.ExecuteTemplate(w, "CompressedFileInfo-Before", file)
-	if err != nil {
-		return err
-	}
-	sw := &stringWriter{Writer: w}
-	gw := gzip.NewWriter(sw)
-	_, err = io.Copy(gw, r)
-	if err != nil {
-		return err
-	}
-	err = gw.Close()
-	if err != nil {
-		return err
-	}
-	if sw.N >= file.UncompressedSize {
-		return errCompressedNotSmaller
-	}
-	err = t.ExecuteTemplate(w, "CompressedFileInfo-After", file)
-	return err
-}
-
-var errCompressedNotSmaller = errors.New("compressed file is not smaller than original")
-
-// Write FileInfo.
-func writeFileInfo(w io.Writer, file *fileInfo, r io.Reader) error {
-	err := t.ExecuteTemplate(w, "FileInfo-Before", file)
-	if err != nil {
-		return err
-	}
-	sw := &stringWriter{Writer: w}
-	_, err = io.Copy(sw, r)
-	if err != nil {
-		return err
-	}
-	err = t.ExecuteTemplate(w, "FileInfo-After", file)
-	return err
-}
-
-var t = template.Must(template.New("").Funcs(template.FuncMap{
-	"quote": strconv.Quote,
-	"comment": func(s string) (string, error) {
-		var buf bytes.Buffer
-		cw := &commentWriter{W: &buf}
-		_, err := io.WriteString(cw, s)
-		if err != nil {
-			return "", err
-		}
-		err = cw.Close()
-		return buf.String(), err
-	},
-}).Parse(`{{define "Header"}}// Code generated by vfsgen; DO NOT EDIT.
-
-{{with .BuildTags}}// +build {{.}}
-
-{{end}}package {{.PackageName}}
-
-import (
-	"bytes"
-	"compress/gzip"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	pathpkg "path"
-	"time"
-)
-
-{{comment .VariableComment}}
-var {{.VariableName}} = func() http.FileSystem {
-	fs := vfsgen۰FS{
-{{end}}
-
-
-
-{{define "CompressedFileInfo-Before"}}		{{quote .Path}}: &vfsgen۰CompressedFileInfo{
-			name:             {{quote .Name}},
-			modTime:          {{template "Time" .ModTime}},
-			uncompressedSize: {{.UncompressedSize}},
-{{/* This blank line separating compressedContent is neccessary to prevent potential gofmt issues. See issue #19. */}}
-			compressedContent: []byte("{{end}}{{define "CompressedFileInfo-After"}}"),
-		},
-{{end}}
-
-
-
-{{define "FileInfo-Before"}}		{{quote .Path}}: &vfsgen۰FileInfo{
-			name:    {{quote .Name}},
-			modTime: {{template "Time" .ModTime}},
-			content: []byte("{{end}}{{define "FileInfo-After"}}"),
-		},
-{{end}}
-
-
-
-{{define "DirInfo"}}		{{quote .Path}}: &vfsgen۰DirInfo{
-			name:    {{quote .Name}},
-			modTime: {{template "Time" .ModTime}},
-		},
-{{end}}
-
-
-
-{{define "DirEntries"}}	}
-{{range .}}{{if .Entries}}	fs[{{quote .Path}}].(*vfsgen۰DirInfo).entries = []os.FileInfo{{"{"}}{{range .Entries}}
-		fs[{{quote .}}].(os.FileInfo),{{end}}
-	}
-{{end}}{{end}}
-	return fs
-}()
-{{end}}
-
-
-
-{{define "Trailer"}}
-type vfsgen۰FS map[string]interface{}
-
-func (fs vfsgen۰FS) Open(path string) (http.File, error) {
-	path = pathpkg.Clean("/" + path)
-	f, ok := fs[path]
-	if !ok {
-		return nil, &os.PathError{Op: "open", Path: path, Err: os.ErrNotExist}
-	}
-
-	switch f := f.(type) {{"{"}}{{if .HasCompressedFile}}
-	case *vfsgen۰CompressedFileInfo:
-		gr, err := gzip.NewReader(bytes.NewReader(f.compressedContent))
-		if err != nil {
-			// This should never happen because we generate the gzip bytes such that they are always valid.
-			panic("unexpected error reading own gzip compressed bytes: " + err.Error())
-		}
-		return &vfsgen۰CompressedFile{
-			vfsgen۰CompressedFileInfo: f,
-			gr:                        gr,
-		}, nil{{end}}{{if .HasFile}}
-	case *vfsgen۰FileInfo:
-		return &vfsgen۰File{
-			vfsgen۰FileInfo: f,
-			Reader:          bytes.NewReader(f.content),
-		}, nil{{end}}
-	case *vfsgen۰DirInfo:
-		return &vfsgen۰Dir{
-			vfsgen۰DirInfo: f,
-		}, nil
-	default:
-		// This should never happen because we generate only the above types.
-		panic(fmt.Sprintf("unexpected type %T", f))
-	}
-}
-{{if .HasCompressedFile}}
-// vfsgen۰CompressedFileInfo is a static definition of a gzip compressed file.
-type vfsgen۰CompressedFileInfo struct {
-	name              string
-	modTime           time.Time
-	compressedContent []byte
-	uncompressedSize  int64
-}
-
-func (f *vfsgen۰CompressedFileInfo) Readdir(count int) ([]os.FileInfo, error) {
-	return nil, fmt.Errorf("cannot Readdir from file %s", f.name)
-}
-func (f *vfsgen۰CompressedFileInfo) Stat() (os.FileInfo, error) { return f, nil }
-
-func (f *vfsgen۰CompressedFileInfo) GzipBytes() []byte {
-	return f.compressedContent
-}
-
-func (f *vfsgen۰CompressedFileInfo) Name() string       { return f.name }
-func (f *vfsgen۰CompressedFileInfo) Size() int64        { return f.uncompressedSize }
-func (f *vfsgen۰CompressedFileInfo) Mode() os.FileMode  { return 0444 }
-func (f *vfsgen۰CompressedFileInfo) ModTime() time.Time { return f.modTime }
-func (f *vfsgen۰CompressedFileInfo) IsDir() bool        { return false }
-func (f *vfsgen۰CompressedFileInfo) Sys() interface{}   { return nil }
-
-// vfsgen۰CompressedFile is an opened compressedFile instance.
-type vfsgen۰CompressedFile struct {
-	*vfsgen۰CompressedFileInfo
-	gr      *gzip.Reader
-	grPos   int64 // Actual gr uncompressed position.
-	seekPos int64 // Seek uncompressed position.
-}
-
-func (f *vfsgen۰CompressedFile) Read(p []byte) (n int, err error) {
-	if f.grPos > f.seekPos {
-		// Rewind to beginning.
-		err = f.gr.Reset(bytes.NewReader(f.compressedContent))
-		if err != nil {
-			return 0, err
-		}
-		f.grPos = 0
-	}
-	if f.grPos < f.seekPos {
-		// Fast-forward.
-		_, err = io.CopyN(ioutil.Discard, f.gr, f.seekPos-f.grPos)
-		if err != nil {
-			return 0, err
-		}
-		f.grPos = f.seekPos
-	}
-	n, err = f.gr.Read(p)
-	f.grPos += int64(n)
-	f.seekPos = f.grPos
-	return n, err
-}
-func (f *vfsgen۰CompressedFile) Seek(offset int64, whence int) (int64, error) {
-	switch whence {
-	case io.SeekStart:
-		f.seekPos = 0 + offset
-	case io.SeekCurrent:
-		f.seekPos += offset
-	case io.SeekEnd:
-		f.seekPos = f.uncompressedSize + offset
-	default:
-		panic(fmt.Errorf("invalid whence value: %v", whence))
-	}
-	return f.seekPos, nil
-}
-func (f *vfsgen۰CompressedFile) Close() error {
-	return f.gr.Close()
-}
-{{else}}
-// We already imported "compress/gzip" and "io/ioutil", but ended up not using them. Avoid unused import error.
-var _ = gzip.Reader{}
-var _ = ioutil.Discard
-{{end}}{{if .HasFile}}
-// vfsgen۰FileInfo is a static definition of an uncompressed file (because it's not worth gzip compressing).
-type vfsgen۰FileInfo struct {
-	name    string
-	modTime time.Time
-	content []byte
-}
-
-func (f *vfsgen۰FileInfo) Readdir(count int) ([]os.FileInfo, error) {
-	return nil, fmt.Errorf("cannot Readdir from file %s", f.name)
-}
-func (f *vfsgen۰FileInfo) Stat() (os.FileInfo, error) { return f, nil }
-
-func (f *vfsgen۰FileInfo) NotWorthGzipCompressing() {}
-
-func (f *vfsgen۰FileInfo) Name() string       { return f.name }
-func (f *vfsgen۰FileInfo) Size() int64        { return int64(len(f.content)) }
-func (f *vfsgen۰FileInfo) Mode() os.FileMode  { return 0444 }
-func (f *vfsgen۰FileInfo) ModTime() time.Time { return f.modTime }
-func (f *vfsgen۰FileInfo) IsDir() bool        { return false }
-func (f *vfsgen۰FileInfo) Sys() interface{}   { return nil }
-
-// vfsgen۰File is an opened file instance.
-type vfsgen۰File struct {
-	*vfsgen۰FileInfo
-	*bytes.Reader
-}
-
-func (f *vfsgen۰File) Close() error {
-	return nil
-}
-{{else if not .HasCompressedFile}}
-// We already imported "bytes", but ended up not using it. Avoid unused import error.
-var _ = bytes.Reader{}
-{{end}}
-// vfsgen۰DirInfo is a static definition of a directory.
-type vfsgen۰DirInfo struct {
-	name    string
-	modTime time.Time
-	entries []os.FileInfo
-}
-
-func (d *vfsgen۰DirInfo) Read([]byte) (int, error) {
-	return 0, fmt.Errorf("cannot Read from directory %s", d.name)
-}
-func (d *vfsgen۰DirInfo) Close() error               { return nil }
-func (d *vfsgen۰DirInfo) Stat() (os.FileInfo, error) { return d, nil }
-
-func (d *vfsgen۰DirInfo) Name() string       { return d.name }
-func (d *vfsgen۰DirInfo) Size() int64        { return 0 }
-func (d *vfsgen۰DirInfo) Mode() os.FileMode  { return 0755 | os.ModeDir }
-func (d *vfsgen۰DirInfo) ModTime() time.Time { return d.modTime }
-func (d *vfsgen۰DirInfo) IsDir() bool        { return true }
-func (d *vfsgen۰DirInfo) Sys() interface{}   { return nil }
-
-// vfsgen۰Dir is an opened dir instance.
-type vfsgen۰Dir struct {
-	*vfsgen۰DirInfo
-	pos int // Position within entries for Seek and Readdir.
-}
-
-func (d *vfsgen۰Dir) Seek(offset int64, whence int) (int64, error) {
-	if offset == 0 && whence == io.SeekStart {
-		d.pos = 0
-		return 0, nil
-	}
-	return 0, fmt.Errorf("unsupported Seek in directory %s", d.name)
-}
-
-func (d *vfsgen۰Dir) Readdir(count int) ([]os.FileInfo, error) {
-	if d.pos >= len(d.entries) && count > 0 {
-		return nil, io.EOF
-	}
-	if count <= 0 || count > len(d.entries)-d.pos {
-		count = len(d.entries) - d.pos
-	}
-	e := d.entries[d.pos : d.pos+count]
-	d.pos += count
-	return e, nil
-}
-{{end}}
-
-
-
-{{define "Time"}}
-{{- if .IsZero -}}
-	time.Time{}
-{{- else -}}
-	time.Date({{.Year}}, {{printf "%d" .Month}}, {{.Day}}, {{.Hour}}, {{.Minute}}, {{.Second}}, {{.Nanosecond}}, time.UTC)
-{{- end -}}
-{{end}}
-`))