forked from forgejo/forgejo
Migrate to go-git/go-git v5.0.0 (#10735)
This commit is contained in:
Lauris BH
GitHub
parent
2f928316db
commit
43c09134a9
315 changed files with 15239 additions and 92420 deletions
111
vendor/github.com/go-git/go-billy/v5/util/glob.go
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111
vendor/github.com/go-git/go-billy/v5/util/glob.go
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package util
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import (
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"path/filepath"
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"sort"
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"strings"
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"github.com/go-git/go-billy/v5"
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)
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// Glob returns the names of all files matching pattern or nil
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// if there is no matching file. The syntax of patterns is the same
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// as in Match. The pattern may describe hierarchical names such as
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// /usr/*/bin/ed (assuming the Separator is '/').
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//
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// Glob ignores file system errors such as I/O errors reading directories.
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// The only possible returned error is ErrBadPattern, when pattern
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// is malformed.
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//
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// Function originally from https://golang.org/src/path/filepath/match_test.go
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func Glob(fs billy.Filesystem, pattern string) (matches []string, err error) {
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if !hasMeta(pattern) {
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if _, err = fs.Lstat(pattern); err != nil {
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return nil, nil
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}
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return []string{pattern}, nil
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}
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dir, file := filepath.Split(pattern)
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// Prevent infinite recursion. See issue 15879.
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if dir == pattern {
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return nil, filepath.ErrBadPattern
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}
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var m []string
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m, err = Glob(fs, cleanGlobPath(dir))
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if err != nil {
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return
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}
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for _, d := range m {
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matches, err = glob(fs, d, file, matches)
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if err != nil {
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return
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}
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}
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return
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}
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// cleanGlobPath prepares path for glob matching.
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func cleanGlobPath(path string) string {
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switch path {
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case "":
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return "."
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case string(filepath.Separator):
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// do nothing to the path
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return path
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default:
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return path[0 : len(path)-1] // chop off trailing separator
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}
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}
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// glob searches for files matching pattern in the directory dir
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// and appends them to matches. If the directory cannot be
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// opened, it returns the existing matches. New matches are
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// added in lexicographical order.
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func glob(fs billy.Filesystem, dir, pattern string, matches []string) (m []string, e error) {
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m = matches
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fi, err := fs.Stat(dir)
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if err != nil {
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return
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}
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if !fi.IsDir() {
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return
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}
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names, _ := readdirnames(fs, dir)
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sort.Strings(names)
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for _, n := range names {
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matched, err := filepath.Match(pattern, n)
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if err != nil {
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return m, err
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}
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if matched {
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m = append(m, filepath.Join(dir, n))
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}
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}
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return
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}
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// hasMeta reports whether path contains any of the magic characters
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// recognized by Match.
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func hasMeta(path string) bool {
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// TODO(niemeyer): Should other magic characters be added here?
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return strings.ContainsAny(path, "*?[")
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}
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func readdirnames(fs billy.Filesystem, dir string) ([]string, error) {
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files, err := fs.ReadDir(dir)
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if err != nil {
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return nil, err
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}
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var names []string
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for _, file := range files {
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names = append(names, file.Name())
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}
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return names, nil
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}
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224
vendor/github.com/go-git/go-billy/v5/util/util.go
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vendor/github.com/go-git/go-billy/v5/util/util.go
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package util
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import (
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"io"
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"os"
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"path/filepath"
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"strconv"
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"sync"
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"time"
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"github.com/go-git/go-billy/v5"
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)
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// RemoveAll removes path and any children it contains. It removes everything it
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// can but returns the first error it encounters. If the path does not exist,
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// RemoveAll returns nil (no error).
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func RemoveAll(fs billy.Basic, path string) error {
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fs, path = getUnderlyingAndPath(fs, path)
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if r, ok := fs.(removerAll); ok {
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return r.RemoveAll(path)
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}
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return removeAll(fs, path)
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}
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type removerAll interface {
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RemoveAll(string) error
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}
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func removeAll(fs billy.Basic, path string) error {
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// This implementation is adapted from os.RemoveAll.
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// Simple case: if Remove works, we're done.
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err := fs.Remove(path)
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if err == nil || os.IsNotExist(err) {
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return nil
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}
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// Otherwise, is this a directory we need to recurse into?
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dir, serr := fs.Stat(path)
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if serr != nil {
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if os.IsNotExist(serr) {
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return nil
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}
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return serr
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}
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if !dir.IsDir() {
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// Not a directory; return the error from Remove.
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return err
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}
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dirfs, ok := fs.(billy.Dir)
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if !ok {
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return billy.ErrNotSupported
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}
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// Directory.
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fis, err := dirfs.ReadDir(path)
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if err != nil {
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if os.IsNotExist(err) {
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// Race. It was deleted between the Lstat and Open.
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// Return nil per RemoveAll's docs.
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return nil
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}
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return err
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}
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// Remove contents & return first error.
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err = nil
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for _, fi := range fis {
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cpath := fs.Join(path, fi.Name())
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err1 := removeAll(fs, cpath)
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if err == nil {
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err = err1
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}
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}
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// Remove directory.
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err1 := fs.Remove(path)
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if err1 == nil || os.IsNotExist(err1) {
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return nil
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}
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if err == nil {
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err = err1
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}
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return err
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}
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// WriteFile writes data to a file named by filename in the given filesystem.
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// If the file does not exist, WriteFile creates it with permissions perm;
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// otherwise WriteFile truncates it before writing.
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func WriteFile(fs billy.Basic, filename string, data []byte, perm os.FileMode) error {
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f, err := fs.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
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if err != nil {
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return err
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}
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n, err := f.Write(data)
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if err == nil && n < len(data) {
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err = io.ErrShortWrite
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}
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if err1 := f.Close(); err == nil {
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err = err1
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}
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return err
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}
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// Random number state.
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// We generate random temporary file names so that there's a good
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// chance the file doesn't exist yet - keeps the number of tries in
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// TempFile to a minimum.
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var rand uint32
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var randmu sync.Mutex
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func reseed() uint32 {
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return uint32(time.Now().UnixNano() + int64(os.Getpid()))
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}
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func nextSuffix() string {
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randmu.Lock()
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r := rand
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if r == 0 {
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r = reseed()
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}
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r = r*1664525 + 1013904223 // constants from Numerical Recipes
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rand = r
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randmu.Unlock()
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return strconv.Itoa(int(1e9 + r%1e9))[1:]
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}
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// TempFile creates a new temporary file in the directory dir with a name
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// beginning with prefix, opens the file for reading and writing, and returns
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// the resulting *os.File. If dir is the empty string, TempFile uses the default
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// directory for temporary files (see os.TempDir). Multiple programs calling
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// TempFile simultaneously will not choose the same file. The caller can use
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// f.Name() to find the pathname of the file. It is the caller's responsibility
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// to remove the file when no longer needed.
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func TempFile(fs billy.Basic, dir, prefix string) (f billy.File, err error) {
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// This implementation is based on stdlib ioutil.TempFile.
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if dir == "" {
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dir = os.TempDir()
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}
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nconflict := 0
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for i := 0; i < 10000; i++ {
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name := filepath.Join(dir, prefix+nextSuffix())
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f, err = fs.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
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if os.IsExist(err) {
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if nconflict++; nconflict > 10 {
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randmu.Lock()
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rand = reseed()
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randmu.Unlock()
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}
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continue
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}
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break
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}
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return
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}
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// TempDir creates a new temporary directory in the directory dir
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// with a name beginning with prefix and returns the path of the
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// new directory. If dir is the empty string, TempDir uses the
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// default directory for temporary files (see os.TempDir).
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// Multiple programs calling TempDir simultaneously
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// will not choose the same directory. It is the caller's responsibility
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// to remove the directory when no longer needed.
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func TempDir(fs billy.Dir, dir, prefix string) (name string, err error) {
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// This implementation is based on stdlib ioutil.TempDir
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if dir == "" {
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dir = os.TempDir()
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}
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nconflict := 0
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for i := 0; i < 10000; i++ {
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try := filepath.Join(dir, prefix+nextSuffix())
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err = fs.MkdirAll(try, 0700)
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if os.IsExist(err) {
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if nconflict++; nconflict > 10 {
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randmu.Lock()
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rand = reseed()
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randmu.Unlock()
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}
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continue
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}
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if os.IsNotExist(err) {
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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return "", err
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}
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}
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if err == nil {
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name = try
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}
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break
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}
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return
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}
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type underlying interface {
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Underlying() billy.Basic
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}
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func getUnderlyingAndPath(fs billy.Basic, path string) (billy.Basic, string) {
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u, ok := fs.(underlying)
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if !ok {
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return fs, path
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}
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if ch, ok := fs.(billy.Chroot); ok {
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path = fs.Join(ch.Root(), path)
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}
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return u.Underlying(), path
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}
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