Merge "PackageManagerShellCommand: Add command to initiate a rollback." (d8a9470d) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerShellCommand.java

+55 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,10 @@ import android.content.pm.dex.DexMetadataHelper;
		import android.content.pm.dex.ISnapshotRuntimeProfileCallback;
		import android.content.res.AssetManager;
		import android.content.res.Resources;
		import android.content.rollback.IRollbackManager;
		import android.content.rollback.PackageRollbackInfo;
		import android.content.rollback.RollbackInfo;
		import android.content.rollback.RollbackManager;
		import android.net.Uri;
		import android.os.Binder;
		import android.os.Build;
		@@ -263,6 +267,8 @@ class PackageManagerShellCommand extends ShellCommand {
		return getStagedSessions();
		case "uninstall-system-updates":
		return uninstallSystemUpdates();
		case "rollback-app":
		return runRollbackApp();
		default: {
		String nextArg = getNextArg();
		if (nextArg == null) {
		@@ -348,6 +354,55 @@ class PackageManagerShellCommand extends ShellCommand {
		return 1;
		}

		private int runRollbackApp() {
		final PrintWriter pw = getOutPrintWriter();

		final String packageName = getNextArgRequired();
		if (packageName == null) {
		pw.println("Error: package name not specified");
		return 1;
		}

		final LocalIntentReceiver receiver = new LocalIntentReceiver();
		try {
		IRollbackManager rm = IRollbackManager.Stub.asInterface(
		ServiceManager.getService(Context.ROLLBACK_SERVICE));

		RollbackInfo rollback = null;
		for (RollbackInfo r : (List<RollbackInfo>) rm.getAvailableRollbacks().getList()) {
		for (PackageRollbackInfo info : r.getPackages()) {
		if (packageName.equals(info.getPackageName())) {
		rollback = r;
		break;
		}
		}
		}

		if (rollback == null) {
		pw.println("No available rollbacks for: " + packageName);
		return 1;
		}

		rm.commitRollback(rollback.getRollbackId(),
		ParceledListSlice.<VersionedPackage>emptyList(),
		"com.android.shell", receiver.getIntentSender());
		} catch (RemoteException re) {
		// Cannot happen.
		}

		final Intent result = receiver.getResult();
		final int status = result.getIntExtra(RollbackManager.EXTRA_STATUS,
		RollbackManager.STATUS_FAILURE);
		if (status == RollbackManager.STATUS_SUCCESS) {
		pw.println("Success");
		return 0;
		} else {
		pw.println("Failure ["
		+ result.getStringExtra(RollbackManager.EXTRA_STATUS_MESSAGE) + "]");
		return 1;
		}
		}

		private void setParamsSize(InstallParams params, String inPath) {
		if (params.sessionParams.sizeBytes == -1 && !STDIN_PATH.equals(inPath)) {
		final ParcelFileDescriptor fd = openFileForSystem(inPath, "r");