mirror of https://github.com/perkeep/perkeep.git
77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
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// Hellofs implements a simple "hello world" file system.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"camlistore.org/third_party/bazil.org/fuse"
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"camlistore.org/third_party/bazil.org/fuse/fs"
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)
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var Usage = func() {
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fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
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fmt.Fprintf(os.Stderr, " %s MOUNTPOINT\n", os.Args[0])
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flag.PrintDefaults()
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}
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func main() {
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flag.Usage = Usage
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flag.Parse()
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if flag.NArg() != 1 {
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Usage()
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os.Exit(2)
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}
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mountpoint := flag.Arg(0)
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c, err := fuse.Mount(mountpoint)
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if err != nil {
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log.Fatal(err)
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}
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fs.Serve(c, FS{})
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}
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// FS implements the hello world file system.
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type FS struct{}
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func (FS) Root() (fs.Node, fuse.Error) {
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return Dir{}, nil
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}
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// Dir implements both Node and Handle for the root directory.
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type Dir struct{}
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func (Dir) Attr() fuse.Attr {
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return fuse.Attr{Inode: 1, Mode: os.ModeDir | 0555}
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}
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func (Dir) Lookup(name string, intr fs.Intr) (fs.Node, fuse.Error) {
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if name == "hello" {
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return File{}, nil
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}
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return nil, fuse.ENOENT
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}
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var dirDirs = []fuse.Dirent{
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{Inode: 2, Name: "hello", Type: fuse.DT_File},
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}
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func (Dir) ReadDir(intr fs.Intr) ([]fuse.Dirent, fuse.Error) {
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return dirDirs, nil
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}
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// File implements both Node and Handle for the hello file.
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type File struct{}
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func (File) Attr() fuse.Attr {
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return fuse.Attr{Mode: 0444}
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}
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func (File) ReadAll(intr fs.Intr) ([]byte, fuse.Error) {
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return []byte("hello, world\n"), nil
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}
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