Dirty tree Mojo (#171)

Ditry tree mojo. And a fix, dirty tree likely has cycles, ignore them to avoid SO

shared/src/main/java/eu/maveniverse/maven/toolbox/shared/internal/ToolboxCommandoImpl.java

@@ -852,11 +852,11 @@ public boolean accept(DependencyNode node, List<DependencyNode> parents) {
         }));
 
         DependencyNode clone = cloningDependencyVisitor.getRootNode();
-        clone.accept(new DependencyGraphDumper(
+        clone.accept(new TreeDependencyVisitor(new DependencyGraphDumper(
                 output::tell,
                 DependencyGraphDumper.defaultsWith(DependencyGraphDumper.premanagedProperties()),
                 output.tool(
-                        DependencyGraphDecorators.TreeDecorator.class, DependencyGraphDecorators.defaultSupplier())));
+                        DependencyGraphDecorators.TreeDecorator.class, DependencyGraphDecorators.defaultSupplier()))));
         collectResult.setRoot(clone);
         return Result.success(collectResult);
     }

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/mp/DirtyTreeMojo.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2023-2024 Maveniverse Org.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v20.html
+ */
+package eu.maveniverse.maven.toolbox.plugin.mp;
+
+import eu.maveniverse.maven.toolbox.plugin.MPMojoSupport;
+import eu.maveniverse.maven.toolbox.shared.ResolutionScope;
+import eu.maveniverse.maven.toolbox.shared.Result;
+import eu.maveniverse.maven.toolbox.shared.ToolboxCommando;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.eclipse.aether.collection.CollectResult;
+
+/**
+ * Displays dependency dirty tree of Maven Project.
+ */
+@Mojo(name = "dirty-tree", threadSafe = true)
+public class DirtyTreeMojo extends MPMojoSupport {
+    /**
+     * The resolution scope to display, accepted values are "runtime", "compile", "test", etc.
+     */
+    @Parameter(property = "scope", defaultValue = "runtime", required = true)
+    private String scope;
+
+    /**
+     * The dependency matcher if you want to filter as eager as Lenny wants.
+     */
+    @Parameter(property = "dependencyMatcher", defaultValue = "any()", required = true)
+    private String dependencyMatcher;
+
+    /**
+     * Set it {@code true} for verbose tree.
+     */
+    @Parameter(property = "verboseTree", defaultValue = "false", required = true)
+    private boolean verboseTree;
+
+    /**
+     * The level up to you want to see dirty tree. Note: keep it low, otherwise this call is OOM pronect.
+     * Default: 3
+     */
+    @Parameter(property = "dirtyLevel", defaultValue = "3", required = true)
+    private int dirtyLevel;
+
+    @Override
+    protected Result<CollectResult> doExecute() throws Exception {
+        ToolboxCommando toolboxCommando = getToolboxCommando();
+        return toolboxCommando.dirtyTree(
+                ResolutionScope.parse(scope),
+                projectAsResolutionRoot(),
+                dirtyLevel,
+                verboseTree,
+                toolboxCommando.parseDependencyMatcherSpec(dependencyMatcher));
+    }
+}

toolbox/src/main/java/eu/maveniverse/maven/toolbox/plugin/mp/TreeMojo.java

@@ -16,7 +16,7 @@
 import org.eclipse.aether.collection.CollectResult;
 
 /**
- * Collects project and output its dependency tree.
+ * Displays dependency tree of Maven Project.
  */
 @Mojo(name = "tree", threadSafe = true)
 public class TreeMojo extends MPMojoSupport {