func installRemote(mStore *store.SnapUbuntuStoreRepository, remoteSnap *snap.Info, flags InstallFlags, meter progress.Meter) (string, error) {
downloadedSnap, err := mStore.Download(remoteSnap, meter, nil)
if err != nil {
return "", fmt.Errorf("cannot download %s: %s", remoteSnap.Name(), err)
}
defer os.Remove(downloadedSnap)
localSnap, err := (&Overlord{}).InstallWithSideInfo(downloadedSnap, &remoteSnap.SideInfo, flags, meter)
if err != nil {
return "", err
}
return localSnap.Name(), nil
}
// snapUpdates identifies which snaps have updates in the store.
func snapUpdates(repo *store.SnapUbuntuStoreRepository) (snaps []*snap.Info, err error) {
// TODO: this should eventually be snap-id based
// NOTE this *will* send .sideload apps to the store.
installed, err := ActiveSnapIterByType(fullNameWithChannel, snap.TypeApp, snap.TypeGadget, snap.TypeOS, snap.TypeKernel)
if err != nil || len(installed) == 0 {
return nil, err
}
rsnaps, err := repo.Updates(installed, nil)
if err != nil {
return nil, err
}
for _, rsnap := range rsnaps {
current := ActiveSnapByName(rsnap.Name())
if current == nil || current.Revision() != rsnap.Revision {
snaps = append(snaps, rsnap)
}
}
return snaps, nil
}