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fix: Getting tasks for Gradle < 5.0 #1619

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fix: Getting tasks for Gradle < 5.0 #1619

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2b6515a
Fix Tasks for Gradle < 5.0
MrRetroChannel Nov 1, 2024
f3962a4
Compare gradle versions
MrRetroChannel Nov 9, 2024
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73 changes: 67 additions & 6 deletions gradle-plugin/src/main/java/com/microsoft/gradle/GradleProjectModelBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.Configuration;
Expand Down Expand Up @@ -64,12 +65,19 @@ public boolean canBuild(String modelName) {

public Object buildAll(String modelName, Project project) {
cachedTasks.clear();
DefaultGradleProject gradleProject = (DefaultGradleProject) this.registry
.getBuilder("org.gradle.tooling.model.GradleProject").buildAll(modelName, project);
if (gradleProject == null) {
return null;

GradleProjectModel rootModel = null;
int cmpVersion = GradleVersion.current().compareTo(GradleVersion.version("5.0.0"));

if (cmpVersion == -1) {
rootModel = buildModel(project, project);
} else {
DefaultGradleProject gradleProject = (DefaultGradleProject) this.registry
.getBuilder("org.gradle.tooling.model.GradleProject").buildAll(modelName, project);

rootModel = buildModel(project, project.getName(), gradleProject);
}
GradleProjectModel rootModel = buildModel(project, project.getName(), gradleProject);

// add task selectors for root project
Set<String> taskNames = new HashSet<>();
for (GradleTask existingTask : rootModel.getTasks()) {
Expand All @@ -93,6 +101,59 @@ public Object buildAll(String modelName, Project project) {
return rootModel;
}

private GradleProjectModel buildModel(Project rootProject, Project project) {
if (rootProject == null || project == null) {
return null;
}

ScriptHandler buildScript = project.getBuildscript();

ClassPath classpath = ((DefaultScriptHandler) buildScript).getScriptClassPath();

List<String> scriptClasspaths = classpath.getAsFiles().stream().map(file -> file.getAbsolutePath())
.collect(Collectors.toList());

GradleDependencyNode node = generateDefaultGradleDependencyNode(project);

List<String> plugins = getPlugins(project);

List<GradleClosure> closures = getPluginClosures(project);

Map<String, Project> childProjects = project.getChildProjects();

List<GradleProjectModel> subModels = childProjects.values().stream()
.map(childProject -> buildModel(rootProject, childProject)).filter(subModel -> subModel != null)
.collect(Collectors.toList());

List<GradleTask> tasks = getGradleTasks(rootProject, project);

return new DefaultGradleProjectModel(project.getParent() == null, project.getProjectDir().getAbsolutePath(),
subModels, tasks, node, plugins, closures, scriptClasspaths);
}

private List<GradleTask> getGradleTasks(Project rootProject, Project project) {
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@jdneo jdneo Nov 10, 2024 •
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Can we just directly fetch the tasks with this approach no matter the project's gradle version is > or < 5? Since they look very similar.

// The original code is not implemented by me so I'm not aware of the history of it.

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@MrRetroChannel MrRetroChannel Nov 14, 2024

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Sorry for long response, as far as I understand plugin's local gradle project model does not support some lazy tasks, so this commit was made as fix #1302 in which now plugin uses gradle built in model. I couldn't reproduce this bug though so I can try to unify these methods to be compatible with everything, but it surely will need more testing

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@anand-ts anand-ts Apr 29, 2026 •
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I think this PR is still relevant for users on Gradle 4.x.
I’m also running into what appears to be this same issue with a Gradle 4.10.3 project.

From the discussion (and to my understanding), it sounds like #1302 moved task discovery toward Gradle's built-in model to avoid lazy task/configuration-resolution issues like #1275. That makes sense for newer Gradle versions.

The problem is that Gradle 4.10.3 does not appear to support the same DefaultGradleProject API path, so the extension can fail task discovery for legacy projects even though ./gradlew tasks --all works from the terminal.

My environment:

  • OS: Windows 11
  • VS Code: 1.117.0
  • vscode-gradle: 3.7.13
  • Gradle wrapper: 4.10.3
  • Java: Temurin/OpenJDK 8

Any leads would be greatly appreciated.
Thank you!

List<GradleTask> tasks = new ArrayList<>();
TaskContainer taskContainer = project.getTasks();

if (taskContainer instanceof TaskContainerInternal) {
TaskContainerInternal taskContainerInternal = (TaskContainerInternal) taskContainer;
taskContainerInternal.discoverTasks();
taskContainerInternal.realize();
taskContainerInternal.forEach(task -> {
String buildFile = task.getProject().getBuildscript().getSourceFile().getAbsolutePath();
boolean debuggable = (task instanceof JavaExec) || (task instanceof Test);
GradleTask newTask = new DefaultGradleTask(task.getName(), task.getGroup(), task.getPath(),
task.getProject().getName(), buildFile, rootProject.getName(), task.getDescription(),
debuggable);

tasks.add(newTask);
cachedTasks.add(newTask);
});
}

return tasks;
}

private GradleProjectModel buildModel(Project project, String rootProjectName, DefaultGradleProject gradleProject) {
if (project == null) {
return null;
Expand Down Expand Up @@ -277,4 +338,4 @@ private boolean isDeprecated(AccessibleObject object) {
}
return false;
}
}
}