Add option to reject update and revert operations if there are any file conflicts

pom.xml

@@ -66,7 +66,7 @@
         <version.org.jboss.xnio>3.8.16.Final</version.org.jboss.xnio>
         <version.org.wildfly.common>1.7.0.Final</version.org.wildfly.common>
         <version.org.wildfly.galleon-plugins>7.1.0.Final</version.org.wildfly.galleon-plugins>
-        <version.org.wildfly.installation-manager>1.0.2.Final</version.org.wildfly.installation-manager>
+        <version.org.wildfly.installation-manager>2.0.0.Beta1-SNAPSHOT</version.org.wildfly.installation-manager>
         <version.org.wildfly.maven.plugins.licenses-plugin>2.4.1.Final</version.org.wildfly.maven.plugins.licenses-plugin>
         <version.org.wildfly.prospero.prospero-metadata>1.2.1.Final</version.org.wildfly.prospero.prospero-metadata>
         <version.org.mockito>5.12.0</version.org.mockito>

prospero-cli/src/main/java/org/wildfly/prospero/cli/CliMessages.java

@@ -695,4 +695,10 @@ default String getProfile() {
     default OperationException sizeOfChannel(Path channelFile) {
         return new OperationException(format(bundle.getString("prospero.channels.error.morethanonechannel.found"), channelFile));
     }
+
+    default OperationException cancelledByConfilcts() {
+        return new OperationException(format(
+                bundle.getString("prospero.updates.apply.candidate.cancel_conflicts"),
+                CliConstants.NO_CONFLICTS_ONLY));
+    }
 }

prospero-cli/src/main/java/org/wildfly/prospero/cli/commands/CliConstants.java

@@ -101,4 +101,7 @@ private Commands() {
     public static final String VV = "-vv";
     public static final String Y = "-y";
     public static final String YES = "--yes";
+    public static final String NO_CONFLICTS_ONLY = "--no-conflicts-only";
+    public static final String DRY_RUN = "--dry-run";
+
 }

prospero-cli/src/main/java/org/wildfly/prospero/cli/commands/RevertCommand.java

@@ -42,6 +42,7 @@
 import org.wildfly.prospero.cli.FileConflictPrinter;
 import org.wildfly.prospero.cli.RepositoryDefinition;
 import org.wildfly.prospero.api.TemporaryFilesManager;
+import org.wildfly.prospero.cli.ReturnCodes;
 import picocli.CommandLine;
 
 import static org.wildfly.prospero.cli.ReturnCodes.SUCCESS;
@@ -52,12 +53,22 @@
 )
 public class RevertCommand extends AbstractParentCommand {
 
-    private static int applyCandidate(CliConsole console, ApplyCandidateAction applyCandidateAction, boolean yes) throws OperationException, ProvisioningException {
+    private static int applyCandidate(CliConsole console, ApplyCandidateAction applyCandidateAction,
+                                      boolean yes, boolean noConflictsOnly, boolean dryRun)
+            throws OperationException, ProvisioningException {
         List<ArtifactChange> artifactUpdates = applyCandidateAction.findUpdates().getArtifactUpdates();
         console.printArtifactChanges(artifactUpdates);
         final List<FileConflict> conflicts = applyCandidateAction.getConflicts();
         FileConflictPrinter.print(conflicts, console);
 
+        if (dryRun) {
+            return ReturnCodes.SUCCESS;
+        }
+
+        if (noConflictsOnly && !conflicts.isEmpty()) {
+            throw CliMessages.MESSAGES.cancelledByConfilcts();
+        }
+
         if (!yes && !artifactUpdates.isEmpty() && !console.confirm(CliMessages.MESSAGES.continueWithRevert(),
                 CliMessages.MESSAGES.applyingChanges(), CliMessages.MESSAGES.revertCancelled())) {
             return SUCCESS;
@@ -92,6 +103,9 @@ public static class PerformCommand extends AbstractMavenCommand {
         @CommandLine.Option(names = {CliConstants.Y, CliConstants.YES})
         boolean yes;
 
+        @CommandLine.Option(names = {CliConstants.NO_CONFLICTS_ONLY})
+        boolean noConflictsOnly;
+
         public PerformCommand(CliConsole console, ActionFactory actionFactory) {
             super(console, actionFactory);
         }
@@ -121,7 +135,7 @@ public Integer call() throws Exception {
 
                 validateRevertCandidate(installationDirectory, tempDirectory, applyCandidateAction);
 
-                applyCandidate(console, applyCandidateAction, yes);
+                applyCandidate(console, applyCandidateAction, yes, noConflictsOnly, false);
             } catch (IOException e) {
                 throw ProsperoLogger.ROOT_LOGGER.unableToCreateTemporaryDirectory(e);
             }
@@ -147,6 +161,12 @@ public static class ApplyCommand extends AbstractCommand {
         @CommandLine.Option(names = {CliConstants.Y, CliConstants.YES})
         boolean yes;
 
+        @CommandLine.Option(names = {CliConstants.NO_CONFLICTS_ONLY})
+        boolean noConflictsOnly;
+
+        @CommandLine.Option(names = {CliConstants.DRY_RUN})
+        boolean dryRun;
+
         public ApplyCommand(CliConsole console, ActionFactory actionFactory) {
             super(console, actionFactory);
         }
@@ -162,7 +182,7 @@ public Integer call() throws Exception {
             console.println(CliMessages.MESSAGES.revertStart(installationDirectory, applyCandidateAction.getCandidateRevision().getName()));
             console.println("");
 
-            applyCandidate(console, applyCandidateAction, yes);
+            applyCandidate(console, applyCandidateAction, yes, noConflictsOnly, dryRun);
             if(remove) {
                 applyCandidateAction.removeCandidate(candidateDirectory.toFile());
             }

prospero-cli/src/main/java/org/wildfly/prospero/cli/commands/UpdateCommand.java

@@ -89,6 +89,9 @@ public static class PerformCommand extends AbstractMavenCommand {
         @CommandLine.Option(names = {CliConstants.Y, CliConstants.YES})
         boolean yes;
 
+        @CommandLine.Option(names = {CliConstants.NO_CONFLICTS_ONLY})
+        boolean noConflictsOnly;
+
         public PerformCommand(CliConsole console, ActionFactory actionFactory) {
             super(console, actionFactory);
         }
@@ -119,7 +122,7 @@ public Integer call() throws Exception {
                 console.println(CliMessages.MESSAGES.updateHeader(installationDir));
 
                 try (UpdateAction updateAction = actionFactory.update(installationDir, mavenOptions, console, repositories)) {
-                    performUpdate(updateAction, yes, console, installationDir);
+                    performUpdate(updateAction, yes, console, installationDir, noConflictsOnly);
                 }
             }
 
@@ -129,7 +132,7 @@ public Integer call() throws Exception {
             return ReturnCodes.SUCCESS;
         }
 
-        private boolean performUpdate(UpdateAction updateAction, boolean yes, CliConsole console, Path installDir) throws OperationException, ProvisioningException {
+        private boolean performUpdate(UpdateAction updateAction, boolean yes, CliConsole console, Path installDir, boolean noConflictsOnly) throws OperationException, ProvisioningException {
             Path targetDir = null;
             try {
                 targetDir = Files.createTempDirectory("update-candidate");
@@ -141,6 +144,11 @@ private boolean performUpdate(UpdateAction updateAction, boolean yes, CliConsole
                     final List<FileConflict> conflicts = applyCandidateAction.getConflicts();
                     if (!conflicts.isEmpty()) {
                         FileConflictPrinter.print(conflicts, console);
+
+                        if (noConflictsOnly) {
+                            throw CliMessages.MESSAGES.cancelledByConfilcts();
+                        }
+
                         if (!yes && !console.confirm(CliMessages.MESSAGES.continueWithUpdate(), "", CliMessages.MESSAGES.updateCancelled())) {
                             return false;
                         }
@@ -226,6 +234,12 @@ public static class ApplyCommand extends AbstractCommand {
         @CommandLine.Option(names = {CliConstants.Y, CliConstants.YES})
         boolean yes;
 
+        @CommandLine.Option(names = {CliConstants.NO_CONFLICTS_ONLY})
+        boolean noConflictsOnly;
+
+        @CommandLine.Option(names = {CliConstants.DRY_RUN})
+        boolean dryRun;
+
         public ApplyCommand(CliConsole console, ActionFactory actionFactory) {
             super(console, actionFactory);
         }
@@ -257,6 +271,14 @@ public Integer call() throws Exception {
             final List<FileConflict> conflicts = applyCandidateAction.getConflicts();
             FileConflictPrinter.print(conflicts, console);
 
+            if (dryRun) {
+                return ReturnCodes.SUCCESS;
+            }
+
+            if (noConflictsOnly && !conflicts.isEmpty()) {
+                throw CliMessages.MESSAGES.cancelledByConfilcts();
+            }
+
             // there always should be updates, so confirm update
             if (!yes && !console.confirm(CliMessages.MESSAGES.continueWithUpdate(), CliMessages.MESSAGES.applyingUpdates(), CliMessages.MESSAGES.updateCancelled())) {
                 return ReturnCodes.SUCCESS;

prospero-cli/src/main/java/org/wildfly/prospero/cli/spi/CliProviderImpl.java

@@ -49,20 +49,22 @@ public String getScriptName(OsShell shell) {
     }
 
     @Override
-    public String getApplyUpdateCommand(Path installationPath, Path candidatePath) {
+    public String getApplyUpdateCommand(Path installationPath, Path candidatePath, boolean noConflictsOnly) {
         return CliConstants.Commands.UPDATE + " " + CliConstants.Commands.APPLY + " "
                 + CliConstants.DIR + " " + escape(installationPath.toAbsolutePath()) + " "
                 + CliConstants.CANDIDATE_DIR + " " + escape(candidatePath.toAbsolutePath()) + " "
                 + CliConstants.YES + " "
+                + (noConflictsOnly ? CliConstants.NO_CONFLICTS_ONLY + " " : "")
                 + CliConstants.REMOVE;
     }
 
     @Override
-    public String getApplyRevertCommand(Path installationPath, Path candidatePath) {
+    public String getApplyRevertCommand(Path installationPath, Path candidatePath, boolean noConflictsOnly) {
         return CliConstants.Commands.REVERT + " " + CliConstants.Commands.APPLY + " "
                 + CliConstants.DIR + " " + escape(installationPath.toAbsolutePath()) + " "
                 + CliConstants.CANDIDATE_DIR + " " + escape(candidatePath.toAbsolutePath()) + " "
                 + CliConstants.YES + " "
+                + (noConflictsOnly ? CliConstants.NO_CONFLICTS_ONLY + " " : "")
                 + CliConstants.REMOVE;
     }
 

prospero-cli/src/main/resources/UsageMessages.properties

@@ -152,7 +152,6 @@ dir = Location of the existing application server. If not specified, current wor
 ${prospero.dist.name}.install.dir = Target directory where the application server will be provisioned.
 ${prospero.dist.name}.clone.recreate.dir = Target directory where the application server will be provisioned.
 
-dry-run = Print components that can be upgraded, but do not perform the upgrades.
 fpl.0 = Maven coordinates of a Galleon feature pack. The specified feature pack is installed \
   with default layers and packages.
 fpl.1 = When you use this option, you should also specify the @|bold --channels|@ or a combination of @|bold --manifest|@ \
@@ -194,6 +193,9 @@ package-stability-level.1 = Valid options are ${COMPLETION-CANDIDATES}.
 ${prospero.dist.name}.update.prepare.candidate-dir = Target directory where the candidate server will be provisioned. The existing server is not updated.
 ${prospero.dist.name}.update.subscribe.product = Specify the product name. This must be a known feature pack supported by ${prospero.dist.name}.
 ${prospero.dist.name}.update.subscribe.version = Specify the version of the product.
+no-conflicts-only = Rejects the operation if any file conflicts are detected. If not used, the user will be asked to \
+  confirm automatic conflict resolution, unless @|bold --yes|@ option is used.
+dry-run = Prints the changes that would be performed by executing the command, but does not perform any changes on the filesystem.
 
 #
 # Exit Codes
@@ -278,6 +280,8 @@ prospero.updates.apply.validation.candidate.wrong_type=Unable to apply candidate
 prospero.updates.apply.validation.candidate.not_candidate=Unable to apply candidate.%n  Installation at [%s] doesn't have a candidate marker file.
 prospero.updates.apply.candidate.remove=Remove the candidate directory after applying update.
 
+prospero.updates.apply.candidate.cancel_conflicts = Potential conflicts exist in the installation. Resolve the conflicts in the listed files, or \
+  use [%s=false] to preserve user changes where possible.
 
 prospero.updates.build.candidate.header=Building update candidate for %s%n
 prospero.updates.build.candidate.complete=Update candidate generated in %s

prospero-cli/src/test/java/org/wildfly/prospero/cli/commands/ApplyUpdateCommandTest.java

@@ -24,6 +24,7 @@
 import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.wildfly.prospero.actions.ApplyCandidateAction;
 import org.wildfly.prospero.api.FileConflict;
@@ -43,6 +44,7 @@
 import java.util.Collections;
 import java.util.List;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
@@ -188,6 +190,54 @@ public void testAskForConfirmationIfConflictsPresent() throws Exception {
         assertEquals(1, askedConfirmation);
     }
 
+    @Test
+    public void noConflictArgumentFailsCommand_WhenConflictsAreFound() throws Exception {
+        final Path updatePath = mockInstallation("update");
+        final Path targetPath = mockInstallation("target");
+        when(applyCandidateAction.getConflicts()).thenReturn(List.of(mock(FileConflict.class)));
+
+        int exitCode = commandLine.execute(CliConstants.Commands.UPDATE, CliConstants.Commands.APPLY,
+                CliConstants.CANDIDATE_DIR, updatePath.toString(),
+                CliConstants.DIR, targetPath.toString(),
+                CliConstants.NO_CONFLICTS_ONLY);
+
+        assertEquals(ReturnCodes.PROCESSING_ERROR, exitCode);
+        assertThat(getErrorOutput())
+                .contains(CliMessages.MESSAGES.cancelledByConfilcts().getMessage());
+
+        verify(applyCandidateAction, Mockito.never()).applyUpdate(any());
+    }
+
+    @Test
+    public void noConflictArgumentHasNoEffect_WhenNoConflictsAreFound() throws Exception {
+        final Path updatePath = mockInstallation("update");
+        final Path targetPath = mockInstallation("target");
+        when(applyCandidateAction.getConflicts()).thenReturn(Collections.emptyList());
+
+        int exitCode = commandLine.execute(CliConstants.Commands.UPDATE, CliConstants.Commands.APPLY,
+                CliConstants.CANDIDATE_DIR, updatePath.toString(),
+                CliConstants.DIR, targetPath.toString(),
+                CliConstants.NO_CONFLICTS_ONLY);
+
+        assertEquals(ReturnCodes.SUCCESS, exitCode);
+        verify(applyCandidateAction).applyUpdate(ApplyCandidateAction.Type.UPDATE);
+    }
+
+    @Test
+    public void dryRun_DoesntCallApplyAction() throws Exception {
+        final Path updatePath = mockInstallation("update");
+        final Path targetPath = mockInstallation("target");
+        when(applyCandidateAction.getConflicts()).thenReturn(Collections.emptyList());
+
+        int exitCode = commandLine.execute(CliConstants.Commands.UPDATE, CliConstants.Commands.APPLY,
+                CliConstants.CANDIDATE_DIR, updatePath.toString(),
+                CliConstants.DIR, targetPath.toString(),
+                CliConstants.DRY_RUN);
+
+        assertEquals(ReturnCodes.SUCCESS, exitCode);
+        verify(applyCandidateAction, Mockito.never()).applyUpdate(any());
+    }
+
     private Path mockInstallation(String target) throws IOException, MetadataException, XMLStreamException {
         final Path targetPath = temp.newFolder(target).toPath();
         MetadataTestUtils.createInstallationMetadata(targetPath).close();

prospero-cli/src/test/java/org/wildfly/prospero/cli/commands/RevertApplyCommandTest.java

@@ -25,10 +25,12 @@
 import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.wildfly.prospero.actions.ApplyCandidateAction;
 import org.wildfly.prospero.api.Console;
 import org.wildfly.prospero.actions.InstallationHistoryAction;
+import org.wildfly.prospero.api.FileConflict;
 import org.wildfly.prospero.api.SavedState;
 import org.wildfly.prospero.api.exceptions.OperationException;
 import org.wildfly.prospero.cli.AbstractConsoleTest;
@@ -40,9 +42,13 @@
 
 import java.nio.file.Path;
 import java.util.Collections;
+import java.util.List;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -119,4 +125,46 @@ public void callApplyOperation() throws Exception {
         assertEquals(ReturnCodes.SUCCESS, exitCode);
         verify(applyCandidateAction).applyUpdate(ApplyCandidateAction.Type.REVERT);
     }
+
+    @Test
+    public void noConflictArgumentFailsCommand_WhenConflictsAreFound() throws Exception {
+        when(applyCandidateAction.getConflicts()).thenReturn(List.of(mock(FileConflict.class)));
+
+        int exitCode = commandLine.execute(CliConstants.Commands.REVERT, CliConstants.Commands.APPLY,
+                CliConstants.DIR, installationDir.toString(),
+                CliConstants.CANDIDATE_DIR, updateDir.toString(),
+                CliConstants.NO_CONFLICTS_ONLY);
+
+        assertEquals(ReturnCodes.PROCESSING_ERROR, exitCode);
+        assertThat(getErrorOutput())
+                .contains(CliMessages.MESSAGES.cancelledByConfilcts().getMessage());
+
+        verify(applyCandidateAction, Mockito.never()).applyUpdate(any());
+    }
+
+    @Test
+    public void noConflictArgumentHasNoEffect_WhenNoConflictsAreFound() throws Exception {
+        when(applyCandidateAction.getConflicts()).thenReturn(Collections.emptyList());
+
+        int exitCode = commandLine.execute(CliConstants.Commands.REVERT, CliConstants.Commands.APPLY,
+                CliConstants.DIR, installationDir.toString(),
+                CliConstants.CANDIDATE_DIR, updateDir.toString(),
+                CliConstants.NO_CONFLICTS_ONLY);
+
+        assertEquals(ReturnCodes.SUCCESS, exitCode);
+        verify(applyCandidateAction).applyUpdate(ApplyCandidateAction.Type.REVERT);
+    }
+
+    @Test
+    public void dryRun_DoesntCallApplyAction() throws Exception {
+        when(applyCandidateAction.getConflicts()).thenReturn(Collections.emptyList());
+
+        int exitCode = commandLine.execute(CliConstants.Commands.REVERT, CliConstants.Commands.APPLY,
+                CliConstants.CANDIDATE_DIR, updateDir.toString(),
+                CliConstants.DIR, installationDir.toString(),
+                CliConstants.DRY_RUN);
+
+        assertEquals(ReturnCodes.SUCCESS, exitCode);
+        verify(applyCandidateAction, Mockito.never()).applyUpdate(any());
+    }
 }