func (vfs FuseVfs) openTaggedEntryDir(path []string) ([]fuse.DirEntry, fuse.Status) {
log.Infof("BEGIN openTaggedEntryDir(%v)", path)
defer log.Infof("END openTaggedEntryDir(%v)", path)
tagIds, err := vfs.tagNamesToIds(path)
if err != nil {
log.Fatalf("Could not lookup tag IDs: %v.", err)
}
if tagIds == nil {
return nil, fuse.ENOENT
}
furtherTagIds, err := vfs.store.TagsForTags(tagIds)
if err != nil {
log.Fatalf("Could not retrieve tags for tags: %v", err)
}
files, err := vfs.store.FilesWithTags(tagIds, []uint{})
if err != nil {
log.Fatalf("Could not retrieve tagged files: %v", err)
}
entries := make([]fuse.DirEntry, 0, len(files)+len(furtherTagIds))
for _, tag := range furtherTagIds {
entries = append(entries, fuse.DirEntry{Name: tag.Name, Mode: fuse.S_IFDIR | 0755})
}
for _, file := range files {
linkName := vfs.getLinkName(file)
entries = append(entries, fuse.DirEntry{Name: linkName, Mode: fuse.S_IFLNK})
}
return entries, fuse.OK
}
func (vfs FuseVfs) getTaggedEntryAttr(path []string) (*fuse.Attr, fuse.Status) {
log.Infof("BEGIN getTaggedEntryAttr(%v)", path)
defer log.Infof("END getTaggedEntryAttr(%v)", path)
pathLength := len(path)
name := path[pathLength-1]
fileId, err := vfs.parseFileId(name)
if err != nil {
return nil, fuse.ENOENT
}
if fileId == 0 {
// tag directory
tagIds, err := vfs.tagNamesToIds(path)
if err != nil {
log.Fatalf("Could not lookup tag IDs: %v.", err)
}
if tagIds == nil {
return nil, fuse.ENOENT
}
//TODO slow
// fileCount, err := vfs.store.FileCountWithTags(tagIds)
// if err != nil {
// log.Fatalf("Could not retrieve count of files with tags: %v. (%v)", path, err)
// }
fileCount := 0
now := time.Now()
return &fuse.Attr{Mode: fuse.S_IFDIR | 0755, Nlink: 2, Size: uint64(fileCount), Mtime: uint64(now.Unix()), Mtimensec: uint32(now.Nanosecond())}, fuse.OK
}
file, err := vfs.store.File(fileId)
if err != nil {
log.Fatalf("Could not retrieve file #%v: %v", fileId, err)
}
if file == nil {
return &fuse.Attr{Mode: fuse.S_IFREG}, fuse.ENOENT
}
fileInfo, err := os.Stat(file.Path())
var size int64
var modTime time.Time
if err == nil {
size = fileInfo.Size()
modTime = fileInfo.ModTime()
} else {
size = 0
modTime = time.Time{}
}
return &fuse.Attr{Mode: fuse.S_IFLNK | 0755, Size: uint64(size), Mtime: uint64(modTime.Unix()), Mtimensec: uint32(modTime.Nanosecond())}, fuse.OK
}
func (vfs FuseVfs) Unlink(name string, context *fuse.Context) fuse.Status {
log.Infof("BEGIN Unlink(%v)", name)
defer log.Infof("END Unlink(%v)", name)
fileId, err := vfs.parseFileId(name)
if err != nil {
log.Fatal("Could not unlink: ", err)
}
if fileId == 0 {
// cannot unlink tag directories
return fuse.EPERM
}
path := vfs.splitPath(name)
tagNames := path[1 : len(path)-1]
for _, tagName := range tagNames {
tag, err := vfs.store.Db.TagByName(tagName)
if err != nil {
log.Fatal(err)
}
if tag == nil {
log.Fatalf("Could not retrieve tag '%v'.", tagName)
}
err = vfs.store.RemoveFileTag(fileId, tag.Id)
if err != nil {
log.Fatal(err)
}
}
return fuse.OK
}
func (vfs FuseVfs) readTaggedEntryLink(path []string) (string, fuse.Status) {
log.Infof("BEGIN readTaggedEntryLink(%v)", path)
defer log.Infof("END readTaggedEntryLink(%v)", path)
name := path[len(path)-1]
fileId, err := vfs.parseFileId(name)
if err != nil {
log.Fatalf("Could not parse file identifier: %v", err)
}
if fileId == 0 {
return "", fuse.ENOENT
}
file, err := vfs.store.File(fileId)
if err != nil {
log.Fatalf("Could not find file %v in database.", fileId)
}
return file.Path(), fuse.OK
}
func (vfs FuseVfs) getTagsAttr() (*fuse.Attr, fuse.Status) {
log.Infof("BEGIN getTagsAttr")
defer log.Infof("END getTagsAttr")
tagCount, err := vfs.store.Db.TagCount()
if err != nil {
log.Fatalf("Could not get tag count: %v", err)
}
now := time.Now()
return &fuse.Attr{Mode: fuse.S_IFDIR | 0755, Nlink: 2, Size: uint64(tagCount), Mtime: uint64(now.Unix()), Mtimensec: uint32(now.Nanosecond())}, fuse.OK
}
func (command FilesCommand) listFilesForTags(args []string) error {
if len(args) == 0 {
return fmt.Errorf("at least one tag must be specified. Use --all to show all files.")
}
store, err := storage.Open()
if err != nil {
return fmt.Errorf("could not open storage: %v", err)
}
defer store.Close()
includeTagIds := make([]uint, 0)
excludeTagIds := make([]uint, 0)
for _, arg := range args {
var tagName string
var include bool
if arg[0] == '-' {
tagName = arg[1:]
include = false
} else {
tagName = arg
include = true
}
tag, err := store.TagByName(tagName)
if err != nil {
return fmt.Errorf("could not retrieve tag '%v': %v", tagName, err)
}
if tag == nil {
log.Fatalf("no such tag '%v'.", tagName)
}
if include {
includeTagIds = append(includeTagIds, tag.Id)
} else {
excludeTagIds = append(excludeTagIds, tag.Id)
}
}
if command.verbose {
log.Info("retrieving set of tagged files from the database.")
}
files, err := store.FilesWithTags(includeTagIds, excludeTagIds)
if err != nil {
return fmt.Errorf("could not retrieve files with tags %v and without tags %v: %v", includeTagIds, excludeTagIds, err)
}
return command.listFiles(files)
}
func main() {
helpCommand := &commands.HelpCommand{}
commands := map[cli.CommandName]cli.Command{
"copy": commands.CopyCommand{},
"delete": commands.DeleteCommand{},
"dupes": commands.DupesCommand{},
"files": commands.FilesCommand{},
"help": helpCommand,
"imply": commands.ImplyCommand{},
"merge": commands.MergeCommand{},
"mount": commands.MountCommand{},
"rename": commands.RenameCommand{},
"repair": commands.RepairCommand{},
"stats": commands.StatsCommand{},
"status": commands.StatusCommand{},
"tag": commands.TagCommand{},
"tags": commands.TagsCommand{},
"unmount": commands.UnmountCommand{},
"untag": commands.UntagCommand{},
"version": commands.VersionCommand{},
"vfs": commands.VfsCommand{},
}
helpCommand.Commands = commands
globalOptions := cli.Options{cli.Option{"--verbose", "-v", "show verbose messages", false, ""},
cli.Option{"--help", "-h", "show help and exit", false, ""},
cli.Option{"--version", "-V", "show version information and exit", false, ""}}
parser := cli.NewParser(globalOptions, commands)
commandName, options, arguments, err := parser.Parse(os.Args[1:])
if err != nil {
log.Fatal(err)
}
if commandName == "" {
commandName = "help"
}
command := commands[commandName]
if command == nil {
log.Fatalf("Invalid command '%v'.", commandName)
}
err = command.Exec(options, arguments)
if err != nil {
log.Fatal(err.Error())
}
}
func (vfs FuseVfs) tagDirectories() ([]fuse.DirEntry, fuse.Status) {
log.Infof("BEGIN tagDirectories")
defer log.Infof("END tagDirectories")
tags, err := vfs.store.Db.Tags()
if err != nil {
log.Fatalf("Could not retrieve tags: %v", err)
}
entries := make([]fuse.DirEntry, len(tags))
for index, tag := range tags {
entries[index] = fuse.DirEntry{Name: tag.Name, Mode: fuse.S_IFDIR}
}
return entries, fuse.OK
}