forked from NYANDEV/forgejo
Use vfsgen instead of go-bindata (#7080)
* use vfsgen instead of go-bindata * fix templates * fix fmt * vendor vsfgen
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8eba27c792
commit
83b90e4199
36 changed files with 1224 additions and 612 deletions
146
vendor/github.com/shurcooL/httpfs/vfsutil/walk.go
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vendored
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146
vendor/github.com/shurcooL/httpfs/vfsutil/walk.go
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package vfsutil
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import (
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"io"
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"net/http"
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"os"
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pathpkg "path"
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"path/filepath"
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"sort"
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)
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// Walk walks the filesystem rooted at root, calling walkFn for each file or
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// directory in the filesystem, including root. All errors that arise visiting files
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// and directories are filtered by walkFn. The files are walked in lexical
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// order.
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func Walk(fs http.FileSystem, root string, walkFn filepath.WalkFunc) error {
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info, err := Stat(fs, root)
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if err != nil {
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return walkFn(root, nil, err)
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}
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return walk(fs, root, info, walkFn)
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}
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// readDirNames reads the directory named by dirname and returns
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// a sorted list of directory entries.
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func readDirNames(fs http.FileSystem, dirname string) ([]string, error) {
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fis, err := ReadDir(fs, dirname)
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if err != nil {
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return nil, err
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}
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names := make([]string, len(fis))
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for i := range fis {
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names[i] = fis[i].Name()
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}
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sort.Strings(names)
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return names, nil
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}
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// walk recursively descends path, calling walkFn.
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func walk(fs http.FileSystem, path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
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err := walkFn(path, info, nil)
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if err != nil {
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if info.IsDir() && err == filepath.SkipDir {
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return nil
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}
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return err
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}
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if !info.IsDir() {
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return nil
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}
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names, err := readDirNames(fs, path)
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if err != nil {
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return walkFn(path, info, err)
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}
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for _, name := range names {
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filename := pathpkg.Join(path, name)
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fileInfo, err := Stat(fs, filename)
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if err != nil {
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if err := walkFn(filename, fileInfo, err); err != nil && err != filepath.SkipDir {
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return err
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}
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} else {
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err = walk(fs, filename, fileInfo, walkFn)
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if err != nil {
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if !fileInfo.IsDir() || err != filepath.SkipDir {
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return err
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}
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}
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}
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}
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return nil
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}
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// WalkFilesFunc is the type of the function called for each file or directory visited by WalkFiles.
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// It's like filepath.WalkFunc, except it provides an additional ReadSeeker parameter for file being visited.
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type WalkFilesFunc func(path string, info os.FileInfo, rs io.ReadSeeker, err error) error
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// WalkFiles walks the filesystem rooted at root, calling walkFn for each file or
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// directory in the filesystem, including root. In addition to FileInfo, it passes an
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// ReadSeeker to walkFn for each file it visits.
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func WalkFiles(fs http.FileSystem, root string, walkFn WalkFilesFunc) error {
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file, info, err := openStat(fs, root)
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if err != nil {
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return walkFn(root, nil, nil, err)
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}
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return walkFiles(fs, root, info, file, walkFn)
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}
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// walkFiles recursively descends path, calling walkFn.
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// It closes the input file after it's done with it, so the caller shouldn't.
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func walkFiles(fs http.FileSystem, path string, info os.FileInfo, file http.File, walkFn WalkFilesFunc) error {
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err := walkFn(path, info, file, nil)
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file.Close()
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if err != nil {
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if info.IsDir() && err == filepath.SkipDir {
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return nil
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}
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return err
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}
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if !info.IsDir() {
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return nil
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}
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names, err := readDirNames(fs, path)
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if err != nil {
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return walkFn(path, info, nil, err)
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}
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for _, name := range names {
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filename := pathpkg.Join(path, name)
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file, fileInfo, err := openStat(fs, filename)
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if err != nil {
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if err := walkFn(filename, nil, nil, err); err != nil && err != filepath.SkipDir {
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return err
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}
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} else {
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err = walkFiles(fs, filename, fileInfo, file, walkFn)
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// file is closed by walkFiles, so we don't need to close it here.
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if err != nil {
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if !fileInfo.IsDir() || err != filepath.SkipDir {
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return err
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}
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}
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}
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}
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return nil
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}
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// openStat performs Open and Stat and returns results, or first error encountered.
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// The caller is responsible for closing the returned file when done.
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func openStat(fs http.FileSystem, name string) (http.File, os.FileInfo, error) {
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f, err := fs.Open(name)
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if err != nil {
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return nil, nil, err
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}
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fi, err := f.Stat()
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if err != nil {
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f.Close()
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return nil, nil, err
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}
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return f, fi, nil
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}
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