// RemoveAll removes a tree recursively.
func RemoveAll(path string, vfs rwvfs.WalkableFileSystem) error {
w := fs.WalkFS(path, vfs)
remove := func(par *parallel.Run, path string) {
par.Do(func() error { return vfs.Remove(path) })
}
var dirs []string // remove dirs after removing all files
filesPar := parallel.NewRun(20)
for w.Step() {
if err := w.Err(); err != nil {
return err
}
if w.Stat().IsDir() {
dirs = append(dirs, w.Path())
} else {
remove(filesPar, w.Path())
}
}
if err := filesPar.Wait(); err != nil {
return err
}
dirsPar := parallel.NewRun(20)
sort.Sort(sort.Reverse(sort.StringSlice(dirs))) // reverse so we delete leaf dirs first
for _, dir := range dirs {
remove(dirsPar, dir)
}
return dirsPar.Wait()
}
// ListRepoPaths implements RepoPaths.
func (e *customRepoPaths) ListRepoPaths(vfs rwvfs.WalkableFileSystem, after string, max int) ([][]string, error) {
entries, err := vfs.ReadDir(".")
if err != nil {
return nil, err
}
paths := make([][]string, len(entries))
for i, e := range entries {
paths[i] = []string{e.Name()}
}
return paths, nil
}
