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Add a tycho-eclipse-plugin
Tycho already offers to run an eclipse application with the tycho-extras/tycho-eclipserun-plugin, usually used to run an eclipse application. Recently there was a demand to even execute a project "like in eclipse", and there is even an (ant based) solution to run "tests in eclipse". Because of this it seem suitable to collect all these demands in a plugin dedicated to eclipse task
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‎RELEASE_NOTES.md

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## 5.0.0 (under development)
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### new `tycho-eclipse-plugin`
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Tycho now contains a new `tycho-eclipse-plugin` that is dedicated to executing "tasks like eclipse", this currently includes
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- the former tycho-extras `tycho-eclipserun-plugin` and its mojos
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- a new `eclipse-build` mojo that allows to take a literal eclipse project and execute the build on it
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#### new `eclipse-build` mojo
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The `eclipse-build` mojo can be used like this
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```xml
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<plugin>
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<groupId>org.eclipse.tycho</groupId>
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<artifactId>tycho-eclipse-plugin</artifactId>
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<version>${tycho-version}</version>
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<executions>
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<execution>
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<id>eclipse-build</id>
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<goals>
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<goal>eclipse-build</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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```
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### support for PDE Api Tools Annotations
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Tycho now supports PDE Api Tools Annotations to be added to the project automatically.

‎pom.xml

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<module>tycho-targetplatform</module>
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<module>tycho-bnd-plugin</module>
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<module>tycho-repository-plugin</module>
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<module>tycho-eclipse-plugin</module>
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</modules>
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<profiles>
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<profile>

‎tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseFramework.java

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}
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}
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public boolean hasBundle(String bsn) {
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for (Bundle bundle : framework.getBundleContext().getBundles()) {
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if (bundle.getSymbolicName().equals(bsn)) {
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return true;
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}
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}
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return false;
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}
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}

‎tycho-eclipse-plugin/.settings/org.eclipse.jdt.core.prefs

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
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org.eclipse.jdt.core.compiler.compliance=17
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
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org.eclipse.jdt.core.compiler.release=disabled
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org.eclipse.jdt.core.compiler.source=17

‎tycho-eclipse-plugin/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.eclipse.tycho</groupId>
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<artifactId>tycho</artifactId>
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<version>5.0.0-SNAPSHOT</version>
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</parent>
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<artifactId>tycho-eclipse-plugin</artifactId>
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<name>Tycho Eclipse Plugin</name>
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<packaging>maven-plugin</packaging>
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<prerequisites>
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<maven>${minimal-maven-version}</maven>
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</prerequisites>
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<description>Maven Plugins for working with Eclipse</description>
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<dependencies>
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<dependency>
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<groupId>org.apache.maven</groupId>
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<artifactId>maven-core</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.maven</groupId>
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<artifactId>maven-plugin-api</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.maven.plugin-tools</groupId>
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<artifactId>maven-plugin-annotations</artifactId>
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</dependency>
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<dependency>
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<groupId>org.codehaus.plexus</groupId>
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<artifactId>plexus-utils</artifactId>
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</dependency>
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<dependency>
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<groupId>org.eclipse.tycho</groupId>
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<artifactId>tycho-core</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.pde</groupId>
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<artifactId>org.eclipse.pde.core</artifactId>
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<version>3.17.100</version>
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<type>jar</type>
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<exclusions>
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<exclusion>
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<groupId>*</groupId>
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<artifactId>*</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>org.eclipse.tycho</groupId>
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<artifactId>sisu-equinox-launching</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.tycho</groupId>
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<artifactId>tycho-testing-harness</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.maven</groupId>
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<artifactId>maven-compat</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.plexus</groupId>
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<artifactId>plexus-component-metadata</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/BundleListTargetLocation.java

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/*******************************************************************************
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* Copyright (c) 2019 Red Hat Inc. and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* - Mickael Istria (Red Hat Inc.)
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*******************************************************************************/
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package org.eclipse.tycho.eclipsebuild;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.pde.core.target.ITargetDefinition;
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import org.eclipse.pde.core.target.ITargetLocation;
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import org.eclipse.pde.core.target.TargetBundle;
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import org.eclipse.pde.core.target.TargetFeature;
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class BundleListTargetLocation implements ITargetLocation {
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private TargetBundle[] bundles;
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public BundleListTargetLocation(TargetBundle[] bundles) {
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this.bundles = bundles;
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}
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@Override
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public <T> T getAdapter(Class<T> adapter) {
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return null;
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}
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@Override
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public IStatus resolve(ITargetDefinition definition, IProgressMonitor monitor) {
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return Status.OK_STATUS;
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}
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@Override
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public boolean isResolved() {
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return true;
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}
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@Override
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public IStatus getStatus() {
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return Status.OK_STATUS;
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}
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@Override
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public String getType() {
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return "BundleList"; //$NON-NLS-1$
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}
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@Override
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public String getLocation(boolean resolve) throws CoreException {
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return null;
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}
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@Override
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public TargetBundle[] getBundles() {
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return this.bundles;
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}
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@Override
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public TargetFeature[] getFeatures() {
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return null;
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}
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@Override
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public String[] getVMArguments() {
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return null;
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}
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@Override
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public String serialize() {
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return null;
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}
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}

‎tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/EclipseBuild.java

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/*******************************************************************************
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* Copyright (c) 2023 Christoph Läubrich and others.
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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* which accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*
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* Contributors:
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* Christoph Läubrich - initial API and implementation
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*******************************************************************************/
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package org.eclipse.tycho.eclipsebuild;
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import java.io.IOException;
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import java.io.Serializable;
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import java.nio.file.Path;
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import java.util.concurrent.Callable;
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import org.eclipse.core.resources.IMarker;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IProjectDescription;
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import org.eclipse.core.resources.IResource;
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import org.eclipse.core.resources.IWorkspace;
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import org.eclipse.core.resources.IWorkspaceDescription;
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import org.eclipse.core.resources.IncrementalProjectBuilder;
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import org.eclipse.core.resources.ResourcesPlugin;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IPath;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.core.runtime.Platform;
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public class EclipseBuild implements Callable<EclipseBuildResult>, Serializable {
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private boolean debug;
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private String baseDir;
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EclipseBuild(Path projectDir, boolean debug) {
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this.debug = debug;
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this.baseDir = pathAsString(projectDir);
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}
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@Override
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public EclipseBuildResult call() throws Exception {
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EclipseBuildResult result = new EclipseBuildResult();
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Platform.addLogListener((status, plugin) -> debug(status.toString()));
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disableAutoBuild();
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deleteAllProjects();
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IProject project = importProject();
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IProgressMonitor debugMonitor = new IProgressMonitor() {
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@Override
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public void worked(int work) {
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}
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@Override
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public void subTask(String name) {
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debug("SubTask: " + name);
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}
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@Override
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public void setTaskName(String name) {
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debug("Task: " + name);
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}
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@Override
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public void setCanceled(boolean value) {
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}
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@Override
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public boolean isCanceled() {
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return false;
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}
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@Override
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public void internalWorked(double work) {
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}
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@Override
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public void done() {
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}
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@Override
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public void beginTask(String name, int totalWork) {
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setTaskName(name);
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}
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};
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project.build(IncrementalProjectBuilder.CLEAN_BUILD, debugMonitor);
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project.build(IncrementalProjectBuilder.FULL_BUILD, debugMonitor);
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for (IMarker marker : project.findMarkers(IMarker.PROBLEM, true, IResource.DEPTH_INFINITE)) {
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result.addMarker(marker);
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debug(marker.toString());
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}
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ResourcesPlugin.getWorkspace().save(true, new NullProgressMonitor());
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return result;
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}
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static void disableAutoBuild() throws CoreException {
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IWorkspace workspace = ResourcesPlugin.getWorkspace();
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IWorkspaceDescription desc = workspace.getDescription();
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desc.setAutoBuilding(false);
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workspace.setDescription(desc);
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}
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private void deleteAllProjects() throws CoreException {
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for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
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project.delete(IResource.NEVER_DELETE_PROJECT_CONTENT | IResource.FORCE, new NullProgressMonitor());
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}
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}
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private IProject importProject() throws CoreException, IOException {
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IPath projectPath = IPath.fromOSString(baseDir);
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IPath projectDescriptionFile = projectPath.append(IProjectDescription.DESCRIPTION_FILE_NAME);
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IProjectDescription projectDescription = ResourcesPlugin.getWorkspace()
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.loadProjectDescription(projectDescriptionFile);
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projectDescription.setLocation(projectPath);
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// projectDescription.setBuildSpec(new ICommand[0]);
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IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectDescription.getName());
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project.create(projectDescription, new NullProgressMonitor());
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project.open(new NullProgressMonitor());
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return project;
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}
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private void debug(String string) {
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if (debug) {
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System.out.println(string);
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}
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}
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static String pathAsString(Path path) {
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if (path != null) {
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return path.toAbsolutePath().toString();
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}
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return null;
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}
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}

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