/usr/share/gocode/src/bazil.org/fuse/examples/hellofs/hello.go is in golang-bazil-fuse-dev 0.0~git20160811.0.371fbbd-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | // Hellofs implements a simple "hello world" file system.
package main
import (
"flag"
"fmt"
"log"
"os"
"bazil.org/fuse"
"bazil.org/fuse/fs"
_ "bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
func usage() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s MOUNTPOINT\n", os.Args[0])
flag.PrintDefaults()
}
func main() {
flag.Usage = usage
flag.Parse()
if flag.NArg() != 1 {
usage()
os.Exit(2)
}
mountpoint := flag.Arg(0)
c, err := fuse.Mount(
mountpoint,
fuse.FSName("helloworld"),
fuse.Subtype("hellofs"),
fuse.LocalVolume(),
fuse.VolumeName("Hello world!"),
)
if err != nil {
log.Fatal(err)
}
defer c.Close()
err = fs.Serve(c, FS{})
if err != nil {
log.Fatal(err)
}
// check if the mount process has an error to report
<-c.Ready
if err := c.MountError; err != nil {
log.Fatal(err)
}
}
// FS implements the hello world file system.
type FS struct{}
func (FS) Root() (fs.Node, error) {
return Dir{}, nil
}
// Dir implements both Node and Handle for the root directory.
type Dir struct{}
func (Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 1
a.Mode = os.ModeDir | 0555
return nil
}
func (Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if name == "hello" {
return File{}, nil
}
return nil, fuse.ENOENT
}
var dirDirs = []fuse.Dirent{
{Inode: 2, Name: "hello", Type: fuse.DT_File},
}
func (Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
return dirDirs, nil
}
// File implements both Node and Handle for the hello file.
type File struct{}
const greeting = "hello, world\n"
func (File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 2
a.Mode = 0444
a.Size = uint64(len(greeting))
return nil
}
func (File) ReadAll(ctx context.Context) ([]byte, error) {
return []byte(greeting), nil
}
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