--- rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/SimpleProfileRegistry.java.orig	2014-03-24 10:49:00.000000000 +0000

+++ rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/SimpleProfileRegistry.java	2014-03-24 15:39:32.122246214 +0000

@@ -44,6 +44,7 @@

 public class SimpleProfileRegistry implements IProfileRegistry, IAgentService {

+	private static final String PROP_IGNORE_USER_CONFIGURATION = "eclipse.ignoreUserConfiguration"; //$NON-NLS-1$

 	private static final String SIMPLE_PROFILE_REGISTRY_INTERNAL = "_simpleProfileRegistry_internal_"; //$NON-NLS-1$

 	private static final String PROFILE_REGISTRY = "profile registry"; //$NON-NLS-1$

 	private static final String PROFILE_PROPERTIES_FILE = "state.properties"; //$NON-NLS-1$

@@ -274,6 +275,14 @@

 					//fragments support - remeber the property

 					internalSetProfileStateProperty(profile, profile.getTimestamp(), SIMPLE_PROFILE_REGISTRY_INTERNAL + getExtTimeStamp(), getExtTimeStamp());

 					agent.registerService(SERVICE_SHARED_INSTALL_NEW_TIMESTAMP, Long.toString(profile.getTimestamp()));

+

+					// this looks like a hack, but:

+					// (1) SimpleConfigurationImpl keeps returning master configuration as long as the property is set

+					// (2) SimpleConfigurationImpl sets the propery after it drops user configuration

+					// therefore dropins reconciliation can't load dropins plugins installed into user configuration

+					// after the user configuration has been dropped.

+					// It is necessary to unset this property.

+					//System.setProperty(PROP_IGNORE_USER_CONFIGURATION, "processed_and_unset"); //$NON-NLS-1$ //$NON-NLS-2$

 				} else {

 					//This is the first time we create the shared profile. Tag it as such and also remember the timestamp of the base

 					internalSetProfileStateProperty(profile, profile.getTimestamp(), IProfile.STATE_PROP_SHARED_INSTALL, IProfile.STATE_SHARED_INSTALL_VALUE_INITIAL);

@@ -307,6 +316,13 @@

 		if (agent.getService(SERVICE_SHARED_INSTALL_NEW_TIMESTAMP) != null)

 			return false;

+		// if the property is set by OSGI, and there is no new timestamp (because of the previous condition)

+		// ignore current profile. This will happen only once, because SERVICE_SHARED_INSTALL_NEW_TIMESTAMP

+		// is set during profile reset.

+		if ("true".equals(System.getProperty(PROP_IGNORE_USER_CONFIGURATION))) { //$NON-NLS-1$ //$NON-NLS-2$

+			System.setProperty(PROP_IGNORE_USER_CONFIGURATION, "processed_and_unset"); //$NON-NLS-1$ //$NON-NLS-2$

+			return true;

+		}

 		String baseTimestamp = getBaseTimestamp(profile.getProfileId());

 		String extTimestamp = getExtTimeStamp();

 		if (baseTimestamp == null) {

--- rt.equinox.p2/bundles/org.eclipse.equinox.p2.reconciler.dropins/src/org/eclipse/equinox/internal/p2/reconciler/dropins/ProfileSynchronizer.java.orig	2019-09-13 14:45:20.806922186 +0100

+++ rt.equinox.p2/bundles/org.eclipse.equinox.p2.reconciler.dropins/src/org/eclipse/equinox/internal/p2/reconciler/dropins/ProfileSynchronizer.java	2019-09-13 14:46:41.124689025 +0100

@@ -560,6 +560,7 @@

 		// get all IUs from all our repos

 		IQueryResult<IInstallableUnit> allIUs = getAllIUsFromRepos();

+		HashSet<IInstallableUnit> removedFromAllIUs = new HashSet<IInstallableUnit>();

 		for (Iterator<IInstallableUnit> iter = allIUs.iterator(); iter.hasNext();) {

 			final IInstallableUnit iu = iter.next();

 			IInstallableUnit existing = profileIUs.get(iu);

@@ -573,6 +574,7 @@

 				// (and more expensive) way to find this out is to do an IU profile property query.

 				if (two == null) {

 					// the IU is already installed so don't mark it as a dropin now - see bug 404619.

+					removedFromAllIUs.add(iu);

 					iter.remove();

 					continue;

 				}

@@ -614,7 +616,7 @@

 			}

 			// if the IU from the profile is in the "all available" list, then it is already added

 			// otherwise if it isn't in the repo then we have to remove it from the profile.

-			if (!all.contains(iu))

+			if (!all.contains(iu) && !removedFromAllIUs.contains(iu))

 				toRemove.add(iu);

 		}

@@ -787,7 +789,8 @@

 			if (!installerPlanStatus.isOK())

 				return installerPlanStatus;

-			applyConfiguration(true);

+			if (isReconciliationApplicationRunning())

+				applyConfiguration(true);

 		}

 		return engine.perform(plan, phaseSet, monitor);

 	}

--- rt.equinox.p2/bundles/org.eclipse.equinox.p2.ui.sdk.scheduler/src/org/eclipse/equinox/internal/p2/ui/sdk/scheduler/migration/MigrationWizard.java.orig	2019-09-13 14:42:54.512346840 +0100

+++ rt.equinox.p2/bundles/org.eclipse.equinox.p2.ui.sdk.scheduler/src/org/eclipse/equinox/internal/p2/ui/sdk/scheduler/migration/MigrationWizard.java	2019-09-13 14:43:12.003296065 +0100

@@ -158,8 +158,7 @@

 	@Override

 	public boolean performCancel() {

-		String[] buttons = new String[] { IDialogConstants.YES_LABEL, ProvUIMessages.MigrationPage_LATER_BUTTON,

-				IDialogConstants.NO_LABEL };

+		String[] buttons = new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL };

 		MessageDialog dialog = new MessageDialog(getShell(), ProvUIMessages.MigrationPage_CONFIRMATION_TITLE, null,

 				ProvUIMessages.MigrationPage_CONFIRMATION_DIALOG, MessageDialog.QUESTION, buttons, 2);