// FilterTLFEarlyExitError decides whether an error received while
// trying to create a TLF should result in showing the user an empty
// folder (exitEarly == true), or not.
func FilterTLFEarlyExitError(ctx context.Context, err error, log logger.Logger, name libkbfs.CanonicalTlfName) (
exitEarly bool, retErr error) {
switch err := err.(type) {
case nil:
// No error.
return false, nil
case libkbfs.WriteAccessError:
// No permission to create TLF, so pretend it's still
// empty.
//
// In theory, we need to invalidate this once the TLF
// is created, but in practice, the Linux kernel
// doesn't cache readdir results, and probably not
// OSXFUSE either.
log.CDebugf(ctx,
"No permission to write to %s, so pretending it's empty",
name)
return true, nil
case libkbfs.MDServerErrorWriteAccess:
// Same as above; cannot fallthrough in type switch
log.CDebugf(ctx,
"No permission to write to %s, so pretending it's empty",
name)
return true, nil
default:
// Some other error.
return true, err
}
}
