File 0002-Implement-a-custom-resolver-for-Tycho-in-l... of Package tycho

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File 0002-Implement-a-custom-resolver-for-Tycho-in-local-mode.patch of Package tycho

From 35decf21d5582e6009f88dcbbcd81b1ab8709d04 Mon Sep 17 00:00:00 2001
From: Roland Grunberg <rgrunber@redhat.com>
Date: Tue, 12 Jun 2012 10:38:51 -0400
Subject: [PATCH 2/8] Implement a custom resolver for Tycho in local mode.

When running in local mode, dependencies should be resolved by looking
on the local system. Remote repositories should be ignored unless
offline mode is disabled.

Use fedoraproject-p2 to resolve bundles from their system location.

Relax constraints for bundles used in Tycho's Equinox runtime.

Since Fedora 17, we need an Execution Environment of at least JavaSE-1.6
for Eclipse bundles. Eclipse Juno platform bundles depend on
javax.annotation. In Fedora this is provided by geronimo-annotation, but
has a dependency on javax.lang.model (since 1.6).

Use the defined target environments in local mode when the property
tycho.local.keepTarget is set.

In situations where Tycho must resolve maven artifacts, upstream's
implementation only looks in the reactor cache. In Fedora, maven
artifacts may be located on the system using repository layouts
understood by XMvn. Therefore, when an artifact is not found in the
reactor cache, resolution should be attempted using the XMvn Resolver.

Upstream/Fedora Tycho differ in the kind of OSGi Runtime used
(org.eclipse.tycho:tycho-bundles-external:zip) so use separate location
for our runtime (fedora-eclipse) to avoid collisions.

Change-Id: Ia1ece07ece2412bc4a88901631f3f651ad2b634b
---
 .../internal/DefaultEquinoxEmbedder.java      | 11 ++++-
 .../remote/RemoteRepositoryCacheManager.java  | 11 +++++
 .../p2/target/TargetDefinitionResolver.java   | 17 +++++--
 .../target/TargetPlatformBundlePublisher.java | 15 ++-----
 .../p2/target/TargetPlatformFactoryImpl.java  | 45 +++++++++++++++++--
 .../p2/repository/LocalRepositoryReader.java  | 44 +++++++++++++++++-
 .../TargetPlatformConfigurationStub.java      |  6 ++-
 .../tycho-bundles-external.product            |  1 +
 .../tycho/core/locking/FileLockerImpl.java    | 26 ++++++++---
 .../maven/TychoMavenLifecycleParticipant.java | 13 ++++++
 .../core/osgitools/AbstractTychoProject.java  | 23 ++++++++++
 .../core/osgitools/OsgiBundleProject.java     |  5 ++-
 ...aultTargetPlatformConfigurationReader.java |  6 ++-
 .../osgi/runtime/TychoOsgiRuntimeLocator.java | 27 ++++++++---
 tycho-p2/tycho-p2-facade/pom.xml              |  5 +++
 .../p2/resolver/P2DependencyResolver.java     |  8 ++++
 16 files changed, 225 insertions(+), 38 deletions(-)

diff --git a/sisu-equinox/sisu-equinox-embedder/src/main/java/org/eclipse/sisu/equinox/embedder/internal/DefaultEquinoxEmbedder.java b/sisu-equinox/sisu-equinox-embedder/src/main/java/org/eclipse/sisu/equinox/embedder/internal/DefaultEquinoxEmbedder.java
index 359c464..b644539 100644
--- a/sisu-equinox/sisu-equinox-embedder/src/main/java/org/eclipse/sisu/equinox/embedder/internal/DefaultEquinoxEmbedder.java
+++ b/sisu-equinox/sisu-equinox-embedder/src/main/java/org/eclipse/sisu/equinox/embedder/internal/DefaultEquinoxEmbedder.java
@@ -240,7 +240,14 @@ public class DefaultEquinoxEmbedder extends AbstractLogEnabled
                     if (verIdx > 0) {
                         bundles.append(name.substring(0, verIdx));
                     } else {
-                        throw new EquinoxEmbedderException("File name doesn't match expected pattern: " + file);
+                        // In Fedora, NAME_VERSION.QUALIFIER.jar is too fragile.
+                        // Let's also accept NAME.jar
+                        verIdx = name.lastIndexOf(".jar");
+                        if (verIdx > 0) {
+                            bundles.append(name.substring(0, verIdx));
+                        } else {
+                            throw new EquinoxEmbedderException("File name doesn't match expected pattern: " + file);
+                        }
                     }
                 }
             }
@@ -248,7 +255,7 @@ public class DefaultEquinoxEmbedder extends AbstractLogEnabled
     }
 
     protected boolean isFrameworkBundle(File file) {
-        return file.getName().startsWith("org.eclipse.osgi_");
+        return file.getName().startsWith("org.eclipse.osgi_") || file.getName().equals("org.eclipse.osgi.jar");
     }
 
     String getReferenceUrl(File file) {
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/remote/RemoteRepositoryCacheManager.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/remote/RemoteRepositoryCacheManager.java
index 1f233e1..c9a6dc1 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/remote/RemoteRepositoryCacheManager.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/remote/RemoteRepositoryCacheManager.java
@@ -12,14 +12,18 @@ package org.eclipse.tycho.p2.remote;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.net.URI;
+import java.net.URL;
 
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.equinox.internal.p2.repository.CacheManager;
+import org.eclipse.equinox.internal.p2.repository.Messages;
 import org.eclipse.equinox.internal.p2.repository.Transport;
 import org.eclipse.equinox.p2.core.ProvisionException;
+import org.eclipse.osgi.util.NLS;
 import org.eclipse.tycho.core.shared.MavenContext;
 import org.eclipse.tycho.core.shared.MavenLogger;
 import org.eclipse.tycho.p2.impl.Activator;
@@ -51,6 +55,13 @@ class RemoteRepositoryCacheManager extends CacheManager {
     @Override
     public File createCache(URI repositoryLocation, String prefix, IProgressMonitor monitor)
             throws IOException, ProvisionException {
+        try {
+            new URL(repositoryLocation.toASCIIString());
+        } catch (MalformedURLException e) {
+            throw new ProvisionException(new Status(IStatus.ERROR, org.eclipse.equinox.internal.p2.repository.Activator.ID,
+                    ProvisionException.REPOSITORY_NOT_FOUND, NLS.bind(Messages.CacheManager_CannotLoadNonUrlLocation,
+                            repositoryLocation), null));
+        }
         File cacheFile = getCache(repositoryLocation, prefix);
         if (offline) {
             if (cacheFile != null) {
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetDefinitionResolver.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetDefinitionResolver.java
index d95cb64..fb0301c 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetDefinitionResolver.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetDefinitionResolver.java
@@ -20,6 +20,7 @@ import java.util.Set;
 
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.URIUtil;
 import org.eclipse.equinox.p2.core.IProvisioningAgent;
 import org.eclipse.equinox.p2.core.ProvisionException;
 import org.eclipse.equinox.p2.metadata.IInstallableUnit;
@@ -121,7 +122,12 @@ public final class TargetDefinitionResolver {
                 resolverRun.addLocation((InstallableUnitLocation) locationDefinition);
 
                 for (Repository repository : ((InstallableUnitLocation) locationDefinition).getRepositories()) {
-                    artifactRepositories.add(repository.getLocation());
+                    // We cannot resolve a non-file URI in local mode
+                    if ((System.getProperty("TYCHO_MVN_LOCAL") == null && System.getProperty("TYCHO_MVN_RPMBUILD") == null)
+                            || URIUtil.isFileURI(repository.getLocation())
+                            || "fedora".equals(repository.getLocation().getScheme())) {
+                        artifactRepositories.add(repository.getLocation());
+                    }
                 }
             } else {
                 logger.warn("Target location type '" + locationDefinition.getTypeDescription() + "' is not supported");
@@ -278,8 +284,13 @@ public final class TargetDefinitionResolver {
 
             loadedRepositories = new ArrayList<>();
             for (Repository repository : locationDefinition.getRepositories()) {
-                repositoryIdManager.addMapping(repository.getId(), repository.getLocation());
-                loadedRepositories.add(loadRepository(repository));
+                // We cannot resolve a non-file URI in local mode
+                if ((System.getProperty("TYCHO_MVN_LOCAL") == null && System.getProperty("TYCHO_MVN_RPMBUILD") == null)
+                        || URIUtil.isFileURI(repository.getLocation())
+                        || "fedora".equals(repository.getLocation().getScheme())) {
+                    repositoryIdManager.addMapping(repository.getId(), repository.getLocation());
+                    loadedRepositories.add(loadRepository(repository));
+                }
             }
         }
 
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformBundlePublisher.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformBundlePublisher.java
index 6a59c2a..0d15db9 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformBundlePublisher.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformBundlePublisher.java
@@ -28,6 +28,7 @@ import org.eclipse.tycho.core.shared.MavenLogger;
 import org.eclipse.tycho.p2.impl.publisher.MavenPropertiesAdvice;
 import org.eclipse.tycho.p2.impl.publisher.repo.TransientArtifactRepository;
 import org.eclipse.tycho.p2.metadata.IArtifactFacade;
+import org.eclipse.tycho.p2.repository.LocalRepositoryReader;
 import org.eclipse.tycho.p2.repository.MavenRepositoryCoordinates;
 import org.eclipse.tycho.repository.local.GAVArtifactDescriptor;
 import org.eclipse.tycho.repository.p2base.artifact.provider.IRawArtifactFileProvider;
@@ -216,15 +217,6 @@ public class TargetPlatformBundlePublisher {
             GAVArtifactDescriptor descriptorForRepository = new GAVArtifactDescriptor(baseDescriptor,
                     repositoryCoordinates);
 
-            File requiredArtifactLocation = new File(getBaseDir(),
-                    descriptorForRepository.getMavenCoordinates().getLocalRepositoryPath());
-            File actualArtifactLocation = mavenArtifact.getLocation();
-            if (!equivalentPaths(requiredArtifactLocation, actualArtifactLocation)) {
-                throw new AssertionFailedException(
-                        "The Maven artifact to be added to the target platform is not stored at the required location on disk: required \""
-                                + requiredArtifactLocation + "\" but was \"" + actualArtifactLocation + "\"");
-            }
-
             internalAddInternalDescriptor(descriptorForRepository);
         }
 
@@ -257,8 +249,9 @@ public class TargetPlatformBundlePublisher {
 
         @Override
         protected File internalGetArtifactStorageLocation(IArtifactDescriptor descriptor) {
-            String relativePath = toInternalDescriptor(descriptor).getMavenCoordinates().getLocalRepositoryPath();
-            return new File(getBaseDir(), relativePath);
+            MavenRepositoryCoordinates coord = toInternalDescriptor(descriptor).getMavenCoordinates();
+            LocalRepositoryReader reader = new LocalRepositoryReader(getBaseDir());
+            return reader.getLocalArtifactLocation(coord.getGav(), coord.getClassifier(), coord.getExtensionOrDefault());
         }
 
         private File getBaseDir() {
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformFactoryImpl.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformFactoryImpl.java
index 7854bca..2247be6 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformFactoryImpl.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho/p2/target/TargetPlatformFactoryImpl.java
@@ -32,6 +32,9 @@ import org.eclipse.core.runtime.URIUtil;
 import org.eclipse.equinox.p2.core.IProvisioningAgent;
 import org.eclipse.equinox.p2.core.ProvisionException;
 import org.eclipse.equinox.p2.metadata.IInstallableUnit;
+import org.eclipse.equinox.p2.metadata.expression.ExpressionUtil;
+import org.eclipse.equinox.p2.metadata.expression.IExpression;
+import org.eclipse.equinox.p2.query.IQuery;
 import org.eclipse.equinox.p2.query.IQueryResult;
 import org.eclipse.equinox.p2.query.QueryUtil;
 import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
@@ -273,9 +276,43 @@ public class TargetPlatformFactoryImpl implements TargetPlatformFactory {
             metadataRepositories.add(localMetadataRepository);
         }
 
-        for (IMetadataRepository repository : metadataRepositories) {
-            IQueryResult<IInstallableUnit> matches = repository.query(QueryUtil.ALL_UNITS, monitor);
-            result.addAll(matches.toUnmodifiableSet());
+        if (System.getProperty("TYCHO_MVN_LOCAL") != null) {
+            final IExpression notmatchIU_ID = ExpressionUtil.parse("id != $0");
+            Set<IMetadataRepository> fedoraRepos = new HashSet<IMetadataRepository> ();
+
+            // Sanity check even though the repo we want should be at index 1
+            for (IMetadataRepository repository : metadataRepositories) {
+                if ("fedora".equals(repository.getLocation().getScheme())) {
+                    fedoraRepos.add(repository);
+                }
+            }
+
+            IQuery<IInstallableUnit> noLocalIUs = QueryUtil.createIUAnyQuery();
+
+            // Create a conjunction query that negates all IUs on the local system
+            for (IMetadataRepository repo : fedoraRepos) {
+                for (IInstallableUnit unit : repo.query(QueryUtil.ALL_UNITS, null).toUnmodifiableSet()) {
+                    noLocalIUs = QueryUtil.createCompoundQuery(noLocalIUs,
+                            QueryUtil.createMatchQuery(notmatchIU_ID, unit.getId()), true);
+                }
+            }
+
+            for (IMetadataRepository repository : metadataRepositories) {
+                IQueryResult<IInstallableUnit> matches;
+                if ("fedora".equals(repository.getLocation().getScheme())) {
+                    matches = repository.query(QueryUtil.ALL_UNITS, monitor);
+                } else {
+                    // Don't collect any remote IUs that can be found on the system
+                    // This will favour IUs in the system local p2 repository
+                    matches = repository.query(noLocalIUs, monitor);
+                }
+                result.addAll(matches.toUnmodifiableSet());
+            }
+        } else {
+            for (IMetadataRepository repository : metadataRepositories) {
+                IQueryResult<IInstallableUnit> matches = repository.query(QueryUtil.ALL_UNITS, monitor);
+                result.addAll(matches.toUnmodifiableSet());
+            }
         }
 
         result.addAll(pomDependenciesContent.gatherMavenInstallableUnits());
@@ -329,7 +366,7 @@ public class TargetPlatformFactoryImpl implements TargetPlatformFactory {
         List<URI> allRemoteArtifactRepositories = new ArrayList<>();
 
         for (MavenRepositoryLocation location : completeRepositories) {
-            if (!offline || URIUtil.isFileURI(location.getURL())) {
+            if (!offline || URIUtil.isFileURI(location.getURL()) || "fedora".equals(location.getURL().getScheme())) {
                 allRemoteArtifactRepositories.add(location.getURL());
             }
         }
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/repository/LocalRepositoryReader.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/repository/LocalRepositoryReader.java
index e05f871..74b8028 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/repository/LocalRepositoryReader.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/repository/LocalRepositoryReader.java
@@ -11,6 +11,8 @@
 package org.eclipse.tycho.p2.repository;
 
 import java.io.File;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
 
 public class LocalRepositoryReader implements RepositoryReader {
 
@@ -21,8 +23,46 @@ public class LocalRepositoryReader implements RepositoryReader {
     }
 
     @Override
+    @SuppressWarnings({ "unchecked", "rawtypes" })
     public File getLocalArtifactLocation(GAV gav, String classifier, String extension) {
-        return new File(localMavenRepositoryRoot, RepositoryLayoutHelper.getRelativePath(gav, classifier, extension));
-    }
+        File file = new File(localMavenRepositoryRoot, RepositoryLayoutHelper.getRelativePath(gav, classifier,
+                extension));
+        // In Fedora the artifact may be in an XMvn-defined repository location (not in reactor cache)
+        if (!file.exists()) {
+            try {
+                // Create Plexus config
+                Class pcclazz = Class.forName("org.codehaus.plexus.ContainerConfiguration");
+                Object conf = Class.forName("org.codehaus.plexus.DefaultContainerConfiguration").newInstance();
+                pcclazz.getMethod("setAutoWiring", boolean.class).invoke(conf, true);
+                pcclazz.getMethod("setClassPathScanning", String.class).invoke(conf, "index");
+
+                // Use plexus container to lookup the reader
+                Class pclazz = Class.forName("org.codehaus.plexus.DefaultPlexusContainer");
+                Object plexus = pclazz.getConstructor(pcclazz).newInstance(conf);
+
+                // Retrieve the workspace reader from the plexus container
+                Method mLookup = pclazz.getMethod("lookup", String.class, String.class);
+                Object reader = mLookup.invoke(plexus, "org.eclipse.aether.repository.WorkspaceReader", "ide");
 
+                // Create an Aether Artifact based on GAV, classifier, and extension
+                Class iartclazz = Class.forName("org.eclipse.aether.artifact.Artifact");
+                Class artclazz = Class.forName("org.eclipse.aether.artifact.DefaultArtifact");
+                Constructor cNew = artclazz.getConstructor(String.class, String.class, String.class, String.class,
+                        String.class);
+                Object artifact = cNew.newInstance(gav.getGroupId(), gav.getArtifactId(), classifier, extension,
+                        gav.getVersion());
+
+                // Invoke "findArtifact" method of the workspace reader on the artifact
+                Method mfindArtifact = reader.getClass().getMethod("findArtifact", iartclazz);
+                File newFile = (File) mfindArtifact.invoke(reader, artifact);
+                if (newFile != null) {
+                    file = newFile;
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return file;
+
+    }
 }
diff --git a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/target/facade/TargetPlatformConfigurationStub.java b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/target/facade/TargetPlatformConfigurationStub.java
index 19d12c6..abe89e8 100644
--- a/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/target/facade/TargetPlatformConfigurationStub.java
+++ b/tycho-bundles/org.eclipse.tycho.p2.resolver.shared/src/main/java/org/eclipse/tycho/p2/target/facade/TargetPlatformConfigurationStub.java
@@ -56,7 +56,11 @@ public class TargetPlatformConfigurationStub {
     }
 
     public void addP2Repository(MavenRepositoryLocation location) {
-        this.repositories.add(location);
+        // We cannot resolve a non-file URI in local mode while offline
+        if (System.getProperty("TYCHO_MVN_RPMBUILD") == null || "file".equalsIgnoreCase(location.getURL().getScheme())
+                || "fedora".equalsIgnoreCase(location.getURL().getScheme())) {
+            this.repositories.add(location);
+        }
     }
 
     // convenience method for tests
diff --git a/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product b/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
index 8af9d88..b0ef41f 100644
--- a/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
+++ b/tycho-bundles/tycho-bundles-external/tycho-bundles-external.product
@@ -77,6 +77,7 @@
       <plugin id="org.sat4j.core"/>
       <plugin id="org.sat4j.pb"/>
       <plugin id="org.tukaani.xz"/>
+      <plugin id="org.fedoraproject.p2"/>
    </plugins>
 
    <configurations>
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/locking/FileLockerImpl.java b/tycho-core/src/main/java/org/eclipse/tycho/core/locking/FileLockerImpl.java
index e4612c3..3abcc5d 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/locking/FileLockerImpl.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/locking/FileLockerImpl.java
@@ -27,22 +27,36 @@ public class FileLockerImpl implements FileLocker {
     final File lockMarkerFile;
 
     public FileLockerImpl(File file, Location anyLocation) {
+        File lockFileCandidate = null;
         try {
             if (file.isDirectory()) {
-                this.lockMarkerFile = new File(file, LOCKFILE_SUFFIX).getCanonicalFile();
+                lockFileCandidate = new File(file, LOCKFILE_SUFFIX).getCanonicalFile();
             } else {
-                this.lockMarkerFile = new File(file.getParentFile(), file.getName() + LOCKFILE_SUFFIX)
-                        .getCanonicalFile();
+                lockFileCandidate = new File(file.getParentFile(), file.getName() + LOCKFILE_SUFFIX).getCanonicalFile();
             }
-            if (lockMarkerFile.isDirectory()) {
-                throw new RuntimeException("Lock marker file " + lockMarkerFile + " already exists and is a directory");
+
+            if (lockFileCandidate.isDirectory()) {
+                throw new RuntimeException("Lock marker file " + lockFileCandidate + " already exists and is a directory");
             }
-            File parentDir = lockMarkerFile.getParentFile();
+            File parentDir = lockFileCandidate.getParentFile();
             if (!parentDir.isDirectory() && !parentDir.mkdirs()) {
                 throw new RuntimeException("Could not create parent directory " + parentDir + " of lock marker file");
             }
+
+            String baseDir = System.getProperty("user.dir");
+            String reactorCache = baseDir + "/.m2/";
+            // In Fedora we can only assume reactor cache is safe for read/write.
+            if (!lockFileCandidate.getAbsolutePath().startsWith(reactorCache)) {
+                String lockFileDir = reactorCache + LOCKFILE_SUFFIX;
+                // If the file is located within baseDir, no need to repeat
+                String lockFileName = file.getAbsolutePath().replace(baseDir, "").replace("/", "-").replaceFirst("-", "/") + LOCKFILE_SUFFIX;
+                lockFileCandidate = new File(lockFileDir, lockFileName);
+            }
+
+            this.lockMarkerFile = lockFileCandidate;
             this.lockFileLocation = anyLocation.createLocation(null, null, false);
             this.lockFileLocation.set(lockMarkerFile.toURL(), false, lockMarkerFile.getAbsolutePath());
+
         } catch (MalformedURLException e) {
             throw new RuntimeException(e);
         } catch (IOException e) {
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java b/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
index f733774..1bd97e6 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoMavenLifecycleParticipant.java
@@ -30,6 +30,7 @@ import org.apache.maven.project.MavenProject;
 import org.codehaus.plexus.PlexusContainer;
 import org.codehaus.plexus.component.annotations.Component;
 import org.codehaus.plexus.component.annotations.Requirement;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 import org.codehaus.plexus.logging.Logger;
 import org.eclipse.tycho.ReactorProject;
 import org.eclipse.tycho.core.osgitools.BundleReader;
@@ -86,6 +87,18 @@ public class TychoMavenLifecycleParticipant extends AbstractMavenLifecyclePartic
 
             configureComponents(session);
 
+            try {
+                if (plexus.lookup("org.fedoraproject.xmvn.resolver.Resolver") != null) {
+                    if (session.isOffline()) {
+                        System.setProperty("TYCHO_MVN_RPMBUILD", "");
+                    } else {
+                        System.setProperty("TYCHO_MVN_LOCAL", "");
+                    }
+                }
+            } catch (ComponentLookupException e) {
+                // No XMvn (Upstream Maven in use)
+            }
+
             for (MavenProject project : projects) {
                 resolver.setupProject(session, project, DefaultReactorProject.adapt(project));
             }
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractTychoProject.java b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractTychoProject.java
index 94b02f1..f833854 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractTychoProject.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractTychoProject.java
@@ -19,6 +19,9 @@ import org.eclipse.tycho.artifacts.DependencyArtifacts;
 import org.eclipse.tycho.core.TargetPlatformConfiguration;
 import org.eclipse.tycho.core.TychoConstants;
 import org.eclipse.tycho.core.TychoProject;
+import org.eclipse.tycho.core.ee.ExecutionEnvironmentUtils;
+import org.eclipse.tycho.core.ee.UnknownEnvironmentException;
+import org.eclipse.tycho.core.ee.shared.ExecutionEnvironment;
 import org.eclipse.tycho.core.ee.shared.ExecutionEnvironmentConfiguration;
 import org.eclipse.tycho.core.osgitools.targetplatform.LocalDependencyResolver;
 import org.eclipse.tycho.core.osgitools.targetplatform.MultiEnvironmentDependencyArtifacts;
@@ -94,15 +97,35 @@ public abstract class AbstractTychoProject extends AbstractLogEnabled implements
 
         String configuredForcedProfile = tpConfiguration.getExecutionEnvironment();
         if (configuredForcedProfile != null) {
+            configuredForcedProfile = overrideToAtLeastJavaSE16(configuredForcedProfile);
             sink.overrideProfileConfiguration(configuredForcedProfile,
                     "target-platform-configuration <executionEnvironment>");
         }
 
         String configuredDefaultProfile = tpConfiguration.getExecutionEnvironmentDefault();
         if (configuredDefaultProfile != null) {
+            configuredDefaultProfile = overrideToAtLeastJavaSE16(configuredDefaultProfile);
             sink.setProfileConfiguration(configuredDefaultProfile,
                     "target-platform-configuration <executionEnvironmentDefault>");
         }
     }
 
+    public String overrideToAtLeastJavaSE16 (String profile) {
+        try {
+            ExecutionEnvironment ee = ExecutionEnvironmentUtils.getExecutionEnvironment(profile);
+
+            if (System.getProperty("TYCHO_MVN_LOCAL") != null || System.getProperty("TYCHO_MVN_RPMBUILD") != null) {
+                // EE must be at least JavaSE-1.6
+                final ExecutionEnvironment javaSE16 = ExecutionEnvironmentUtils.getExecutionEnvironment("JavaSE-1.6");
+                if (! ee.isCompatibleCompilerTargetLevel(javaSE16.getCompilerTargetLevelDefault())) {
+                    ee = javaSE16;
+                }
+            }
+
+            return ee.getProfileName();
+        } catch (UnknownEnvironmentException e) {
+            // can't happen, ee is validated during configuration parsing
+            return null;
+        }
+    }
 }
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/OsgiBundleProject.java b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/OsgiBundleProject.java
index 13ed51d..bd21204 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/OsgiBundleProject.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/OsgiBundleProject.java
@@ -504,6 +504,7 @@ public class OsgiBundleProject extends AbstractTychoProject implements BundlePro
         String pdeProfile = getEclipsePluginProject(DefaultReactorProject.adapt(project)).getBuildProperties()
                 .getJreCompilationProfile();
         if (pdeProfile != null) {
+            pdeProfile = overrideToAtLeastJavaSE16(pdeProfile);
             sink.setProfileConfiguration(pdeProfile.trim(), "build.properties");
 
         } else {
@@ -514,13 +515,13 @@ public class OsgiBundleProject extends AbstractTychoProject implements BundlePro
 
                 switch (tpConfiguration.getBREEHeaderSelectionPolicy()) {
                 case first:
-                    sink.setProfileConfiguration(manifestBREEs[0].getProfileName(),
+                    sink.setProfileConfiguration(overrideToAtLeastJavaSE16(manifestBREEs[0].getProfileName()),
                             "Bundle-RequiredExecutionEnvironment (first entry)");
                     break;
 
                 case minimal:
                     ExecutionEnvironment manifestMinimalEE = Collections.min(Arrays.asList(manifestBREEs));
-                    sink.setProfileConfiguration(manifestMinimalEE.getProfileName(),
+                    sink.setProfileConfiguration(overrideToAtLeastJavaSE16(manifestMinimalEE.getProfileName()),
                             "Bundle-RequiredExecutionEnvironment (minimal entry)");
                 }
 
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/resolver/DefaultTargetPlatformConfigurationReader.java b/tycho-core/src/main/java/org/eclipse/tycho/core/resolver/DefaultTargetPlatformConfigurationReader.java
index ed413e1..0b89bae 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/resolver/DefaultTargetPlatformConfigurationReader.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/resolver/DefaultTargetPlatformConfigurationReader.java
@@ -68,7 +68,11 @@ public class DefaultTargetPlatformConfigurationReader {
                             + configuration.toString());
                 }
 
-                addTargetEnvironments(result, project, configuration);
+                // Use the defined environments only in local mode with tycho.local.keepTarget
+                if ((System.getProperty("TYCHO_MVN_LOCAL") == null && System.getProperty("TYCHO_MVN_RPMBUILD") == null)
+                        || System.getProperty("tycho.local.keepTarget") != null) {
+                    addTargetEnvironments(result, project, configuration);
+                }
 
                 setTargetPlatformResolver(result, configuration);
 
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/osgi/runtime/TychoOsgiRuntimeLocator.java b/tycho-core/src/main/java/org/eclipse/tycho/osgi/runtime/TychoOsgiRuntimeLocator.java
index 35f1b6b..b64653e 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/osgi/runtime/TychoOsgiRuntimeLocator.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/osgi/runtime/TychoOsgiRuntimeLocator.java
@@ -12,6 +12,8 @@ package org.eclipse.tycho.osgi.runtime;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -163,36 +165,49 @@ public class TychoOsgiRuntimeLocator implements EquinoxRuntimeLocator {
             File artifactFile = new File(session.getLocalRepository().getBasedir(), session.getLocalRepository()
                     .pathOf(artifact));
             File eclipseDir = new File(artifactFile.getParentFile(), "eclipse");
+            File eclipseSaveDir = new File(artifactFile.getParentFile(), "eclipse-save");
+            File fedoraDir = new File(artifactFile.getParentFile(), "fedora-eclipse");
 
             FileLocker locker = fileLockService.getFileLocker(artifactFile);
             locker.lock();
             try {
-                if (!eclipseDir.exists() || artifact.isSnapshot()) {
+                if (!fedoraDir.exists() || artifact.isSnapshot()) {
                     logger.debug("Extracting Tycho's OSGi runtime");
 
-                    if (artifact.getFile().lastModified() > eclipseDir.lastModified()) {
+                    if (artifact.getFile().lastModified() > fedoraDir.lastModified()) {
                         logger.debug("Unpacking Tycho's OSGi runtime to " + eclipseDir);
                         try {
-                            FileUtils.deleteDirectory(eclipseDir);
+                            FileUtils.deleteDirectory(fedoraDir);
+                            if (eclipseDir.exists()) {
+                                FileUtils.rename(eclipseDir, eclipseSaveDir);
+                            }
                         } catch (IOException e) {
-                            logger.warn("Failed to delete Tycho's OSGi runtime " + eclipseDir + ": " + e.getMessage());
+                            logger.warn("Failed to delete Tycho's OSGi runtime " + fedoraDir + ": " + e.getMessage());
                         }
                         unArchiver.setSourceFile(artifact.getFile());
                         unArchiver.setDestDirectory(eclipseDir.getParentFile());
                         try {
                             unArchiver.extract();
+                            logger.debug("Moving Tycho's OSGi runtime to " + fedoraDir);
+                            FileUtils.rename(eclipseDir, fedoraDir);
+                            if (eclipseSaveDir.exists()) {
+                                FileUtils.rename(eclipseSaveDir, eclipseDir);
+                            }
                         } catch (ArchiverException e) {
                             throw new MavenExecutionException("Failed to unpack Tycho's OSGi runtime: "
                                     + e.getMessage(), e);
+                        } catch (IOException e) {
+                            throw new MavenExecutionException("Failed to move Tycho's OSGi runtime: " + e.getMessage(),
+                                    e);
                         }
 
-                        eclipseDir.setLastModified(artifact.getFile().lastModified());
+                        fedoraDir.setLastModified(artifact.getFile().lastModified());
                     }
                 }
             } finally {
                 locker.release();
             }
-            description.addInstallation(eclipseDir);
+            description.addInstallation(fedoraDir);
         } else {
             description.addBundle(artifact.getFile());
         }
diff --git a/tycho-p2/tycho-p2-facade/pom.xml b/tycho-p2/tycho-p2-facade/pom.xml
index f1a3b34..3f2c3d2 100644
--- a/tycho-p2/tycho-p2-facade/pom.xml
+++ b/tycho-p2/tycho-p2-facade/pom.xml
@@ -57,6 +57,11 @@
 			<artifactId>junit</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.fedoraproject.p2</groupId>
+			<artifactId>org.fedoraproject.p2</artifactId>
+			<version>0.0.1-SNAPSHOT</version>
+		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/tycho-p2/tycho-p2-facade/src/main/java/org/eclipse/tycho/p2/resolver/P2DependencyResolver.java b/tycho-p2/tycho-p2-facade/src/main/java/org/eclipse/tycho/p2/resolver/P2DependencyResolver.java
index 47bf362..bc4a7bb 100644
--- a/tycho-p2/tycho-p2-facade/src/main/java/org/eclipse/tycho/p2/resolver/P2DependencyResolver.java
+++ b/tycho-p2/tycho-p2-facade/src/main/java/org/eclipse/tycho/p2/resolver/P2DependencyResolver.java
@@ -91,6 +91,7 @@ import org.eclipse.tycho.p2.resolver.facade.P2ResolverFactory;
 import org.eclipse.tycho.p2.target.facade.PomDependencyCollector;
 import org.eclipse.tycho.p2.target.facade.TargetPlatformConfigurationStub;
 import org.eclipse.tycho.repository.registry.facade.ReactorRepositoryManagerFacade;
+import org.fedoraproject.p2.EclipseSystemLayout;
 
 @Component(role = DependencyResolver.class, hint = P2DependencyResolver.ROLE_HINT, instantiationStrategy = "per-lookup")
 public class P2DependencyResolver extends AbstractLogEnabled implements DependencyResolver, Initializable {
@@ -211,6 +212,13 @@ public class P2DependencyResolver extends AbstractLogEnabled implements Dependen
             pomDependencies.setProjectLocation(project.getBasedir());
         }
 
+        // Add Fedora Local P2 Repository when running in local mode
+        if (System.getProperty("TYCHO_MVN_LOCAL") != null || System.getProperty("TYCHO_MVN_RPMBUILD") != null) {
+            for (URI uri : EclipseSystemLayout.getRepositories()) {
+                tpConfiguration.addP2Repository(new MavenRepositoryLocation(uri.getPath(), uri));
+            }
+        }
+
         for (ArtifactRepository repository : project.getRemoteArtifactRepositories()) {
             addEntireP2RepositoryToTargetPlatform(repository, tpConfiguration);
         }
-- 
2.21.1

Places

File 0002-Implement-a-custom-resolver-for-Tycho-in-local-mode.patch of Package tycho

Places