// shortcutSymlink changes the symlinks type if necessary.
func (p *rwFolder) shortcutSymlink(file protocol.FileInfo) (err error) {
tt := symlinks.TargetFile
if file.IsDirectory() {
tt = symlinks.TargetDirectory
}
err = symlinks.ChangeType(filepath.Join(p.dir, file.Name), tt)
if err != nil {
l.Infof("Puller (folder %q, file %q): symlink shortcut: %v", p.folder, file.Name, err)
p.newError(file.Name, err)
}
return
}
func SymlinkTypeEqual(disk symlinks.TargetType, f protocol.FileInfo) bool {
// If the target is missing, Unix never knows what type of symlink it is
// and Windows always knows even if there is no target. Which means that
// without this special check a Unix node would be fighting with a Windows
// node about whether or not the target is known. Basically, if you don't
// know and someone else knows, just accept it. The fact that you don't
// know means you are on Unix, and on Unix you don't really care what the
// target type is. The moment you do know, and if something doesn't match,
// that will propagate through the cluster.
switch disk {
case symlinks.TargetUnknown:
return true
case symlinks.TargetDirectory:
return f.IsDirectory() && f.Flags&protocol.FlagSymlinkMissingTarget == 0
case symlinks.TargetFile:
return !f.IsDirectory() && f.Flags&protocol.FlagSymlinkMissingTarget == 0
}
panic("unknown symlink TargetType")
}