Merge "Fail upgrades that change storage devices." into nyc-dev (1fdeb5bd) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/content/PackageHelper.java

+17 −9

Original line number	Diff line number	Diff line
		@@ -37,7 +37,6 @@ import android.os.storage.VolumeInfo;
		import android.provider.Settings;
		import android.util.ArraySet;
		import android.util.Log;
		import android.util.Slog;

		import libcore.io.IoUtils;

		@@ -46,6 +45,7 @@ import java.io.FileOutputStream;
		import java.io.IOException;
		import java.io.InputStream;
		import java.util.Collections;
		import java.util.Objects;
		import java.util.zip.ZipEntry;
		import java.util.zip.ZipFile;
		import java.util.zip.ZipOutputStream;
		@@ -383,23 +383,31 @@ public class PackageHelper {
		installLocation = PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY;
		}

		// If app expresses strong desire for internal space, honor it
		// If app expresses strong desire for internal storage, honor it
		if (!forceAllowOnExternal
		&& installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
		if (existingInfo != null && !Objects.equals(existingInfo.volumeUuid,
		StorageManager.UUID_PRIVATE_INTERNAL)) {
		throw new IOException("Cannot automatically move " + packageName + " from "
		+ existingInfo.volumeUuid + " to internal storage");
		}
		if (fitsOnInternal) {
		return null;
		return StorageManager.UUID_PRIVATE_INTERNAL;
		} else {
		throw new IOException("Requested internal only, but not enough space");
		}
		}

		// If app already exists somewhere, prefer to stay on that volume
		// If app already exists somewhere, we must stay on that volume
		if (existingInfo != null) {
		if (existingInfo.volumeUuid == null && fitsOnInternal) {
		return null;
		}
		if (allCandidates.contains(existingInfo.volumeUuid)) {
		if (Objects.equals(existingInfo.volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)
		&& fitsOnInternal) {
		return StorageManager.UUID_PRIVATE_INTERNAL;
		} else if (allCandidates.contains(existingInfo.volumeUuid)) {
		return existingInfo.volumeUuid;
		} else {
		throw new IOException("Not enough space on existing volume "
		+ existingInfo.volumeUuid + " for " + packageName + " upgrade");
		}
		}

		@@ -408,7 +416,7 @@ public class PackageHelper {
		if (bestCandidate != null) {
		return bestCandidate.fsUuid;
		} else if (fitsOnInternal) {
		return null;
		return StorageManager.UUID_PRIVATE_INTERNAL;
		} else {
		throw new IOException("No special requests, but no room anywhere");
		}