- Endless processing with promoteTransitiveDependencies

Fix the endless processing that was caused by not checking the
classifier of the dependencies when adding excludes.
diff --git a/src/it/dep-reduced-pom-exclusions/invoker.properties b/src/it/dep-reduced-pom-exclusions/invoker.properties
new file mode 100644
index 0000000..9bbad67
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/invoker.properties
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+invoker.timeoutInSeconds=60
\ No newline at end of file
diff --git a/src/it/dep-reduced-pom-exclusions/pom.xml b/src/it/dep-reduced-pom-exclusions/pom.xml
new file mode 100644
index 0000000..de4f1a6
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/pom.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<project>
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.its.shade.drpe</groupId>
+  <artifactId>test</artifactId>
+  <version>1.0</version>
+  <packaging>jar</packaging>
+
+  <name>MSHADE-223</name>
+  <description>
+    Test that creation of the dependency reduced POM properly handles dependencies with classifiers.
+  </description>
+
+  <repositories>
+    <repository>
+      <id>shade-it</id>
+      <url>file:///${basedir}/repo</url>
+      <releases>
+        <checksumPolicy>ignore</checksumPolicy>
+      </releases>
+      <snapshots>
+        <enabled>false</enabled>
+      </snapshots>
+    </repository>
+  </repositories>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.its.shade.drpe</groupId>
+      <artifactId>a</artifactId>
+      <version>0.1</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.maven.its.shade.drpe</groupId>
+          <artifactId>c</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <id>attach-shade</id>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
+              <shadedArtifactAttached>false</shadedArtifactAttached>
+              <createDependencyReducedPom>true</createDependencyReducedPom>
+              <artifactSet>
+                <includes>
+                  <include>org.apache.maven.its.shade.drpe:a</include>
+                </includes>
+              </artifactSet>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.jar b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.jar
new file mode 100644
index 0000000..15cb0ec
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.jar
Binary files differ
diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.pom b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.pom
new file mode 100644
index 0000000..87e14f6
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/a/0.1/a-0.1.pom
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>

+

+<!--

+Licensed to the Apache Software Foundation (ASF) under one

+or more contributor license agreements.  See the NOTICE file

+distributed with this work for additional information

+regarding copyright ownership.  The ASF licenses this file

+to you under the Apache License, Version 2.0 (the

+"License"); you may not use this file except in compliance

+with the License.  You may obtain a copy of the License at

+

+  http://www.apache.org/licenses/LICENSE-2.0

+

+Unless required by applicable law or agreed to in writing,

+software distributed under the License is distributed on an

+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+KIND, either express or implied.  See the License for the

+specific language governing permissions and limitations

+under the License.

+-->

+

+<project>

+  <modelVersion>4.0.0</modelVersion>

+

+  <groupId>org.apache.maven.its.shade.drpe</groupId>

+  <artifactId>a</artifactId>

+  <version>0.1</version>

+  <packaging>jar</packaging>

+

+  <distributionManagement>

+    <repository>

+      <id>maven-core-it</id>

+      <url>file:///${basedir}/repo</url>

+    </repository>

+  </distributionManagement>

+

+  <dependencies>

+    <dependency>

+      <groupId>org.apache.maven.its.shade.drpe</groupId>

+      <artifactId>b</artifactId>

+      <version>0.2</version>

+    </dependency>

+    <dependency>

+      <groupId>org.apache.maven.its.shade.drpe</groupId>

+      <artifactId>b</artifactId>

+      <classifier>alt</classifier>

+      <version>0.2</version>

+    </dependency>

+  </dependencies>

+</project>

diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2-alt.jar b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2-alt.jar
new file mode 100644
index 0000000..15cb0ec
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2-alt.jar
Binary files differ
diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.jar b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.jar
new file mode 100644
index 0000000..15cb0ec
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.jar
Binary files differ
diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.pom b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.pom
new file mode 100644
index 0000000..4ecb2a3
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/b/0.2/b-0.2.pom
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>

+

+<!--

+Licensed to the Apache Software Foundation (ASF) under one

+or more contributor license agreements.  See the NOTICE file

+distributed with this work for additional information

+regarding copyright ownership.  The ASF licenses this file

+to you under the Apache License, Version 2.0 (the

+"License"); you may not use this file except in compliance

+with the License.  You may obtain a copy of the License at

+

+  http://www.apache.org/licenses/LICENSE-2.0

+

+Unless required by applicable law or agreed to in writing,

+software distributed under the License is distributed on an

+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+KIND, either express or implied.  See the License for the

+specific language governing permissions and limitations

+under the License.

+-->

+

+<project>

+  <modelVersion>4.0.0</modelVersion>

+

+  <groupId>org.apache.maven.its.shade.drpe</groupId>

+  <artifactId>b</artifactId>

+  <version>0.2</version>

+  <packaging>jar</packaging>

+

+  <distributionManagement>

+    <repository>

+      <id>maven-core-it</id>

+      <url>file:///${basedir}/repo</url>

+    </repository>

+  </distributionManagement>

+

+  <dependencies>

+    <dependency>

+      <groupId>org.apache.maven.its.shade.drpe</groupId>

+      <artifactId>c</artifactId>

+      <version>1</version>

+    </dependency>

+  </dependencies>

+</project>

diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.jar b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.jar
new file mode 100644
index 0000000..15cb0ec
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.jar
Binary files differ
diff --git a/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.pom b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.pom
new file mode 100644
index 0000000..3a40bf4
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/repo/org/apache/maven/its/shade/drpe/c/1/c-1.pom
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>

+

+<!--

+Licensed to the Apache Software Foundation (ASF) under one

+or more contributor license agreements.  See the NOTICE file

+distributed with this work for additional information

+regarding copyright ownership.  The ASF licenses this file

+to you under the Apache License, Version 2.0 (the

+"License"); you may not use this file except in compliance

+with the License.  You may obtain a copy of the License at

+

+  http://www.apache.org/licenses/LICENSE-2.0

+

+Unless required by applicable law or agreed to in writing,

+software distributed under the License is distributed on an

+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+KIND, either express or implied.  See the License for the

+specific language governing permissions and limitations

+under the License.

+-->

+

+<project>

+  <modelVersion>4.0.0</modelVersion>

+

+  <groupId>org.apache.maven.its.shade.drpe</groupId>

+  <artifactId>c</artifactId>

+  <version>1</version>

+  <packaging>jar</packaging>

+

+  <distributionManagement>

+    <repository>

+      <id>maven-core-it</id>

+      <url>file:///${basedir}/repo</url>

+    </repository>

+  </distributionManagement>

+</project>

diff --git a/src/it/dep-reduced-pom-exclusions/verify.groovy b/src/it/dep-reduced-pom-exclusions/verify.groovy
new file mode 100644
index 0000000..2765519
--- /dev/null
+++ b/src/it/dep-reduced-pom-exclusions/verify.groovy
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+File pomFile = new File( basedir, "dependency-reduced-pom.xml" )
+assert pomFile.isFile()
+
+def ns = new groovy.xml.Namespace("http://maven.apache.org/POM/4.0.0") 
+def pom = new XmlParser().parse( pomFile )
+
+assert pom[ns.modelVersion].size() == 1
+assert pom[ns.dependencies][ns.dependency].size() == 2
+assert pom[ns.dependencies][ns.dependency][0][ns.exclusions][ns.exclusion].size() == 1
+assert pom[ns.dependencies][ns.dependency][1][ns.exclusions][ns.exclusion].size() == 1
diff --git a/src/main/java/org/apache/maven/plugins/shade/mojo/ShadeMojo.java b/src/main/java/org/apache/maven/plugins/shade/mojo/ShadeMojo.java
index 07a8b8d..fa5f42b 100644
--- a/src/main/java/org/apache/maven/plugins/shade/mojo/ShadeMojo.java
+++ b/src/main/java/org/apache/maven/plugins/shade/mojo/ShadeMojo.java
@@ -1252,9 +1252,7 @@
                     boolean found = false;
                     for ( Dependency dep : transitiveDeps )
                     {
-                        if ( dep.getArtifactId().equals( n3.getArtifact().getArtifactId() ) //
-                            && dep.getGroupId().equals( n3.getArtifact().getGroupId() ) //
-                            && ( dep.getType() == null || dep.getType().equals( n3.getArtifact().getType() ) ) )
+                        if ( getId( dep ).equals( getId( n3.getArtifact() ) ) )
                         {
                             found = true;
                             break;
@@ -1269,9 +1267,7 @@
                     {
                         for ( Dependency dep : dependencies )
                         {
-                            if ( dep.getArtifactId().equals( n2.getArtifact().getArtifactId() ) //
-                                && dep.getGroupId().equals( n2.getArtifact().getGroupId() ) //
-                                && ( dep.getType() == null || dep.getType().equals( n2.getArtifact().getType() ) ) )
+                            if ( getId( dep ).equals( getId( n2.getArtifact() ) ) )
                             {
                                 Exclusion exclusion = new Exclusion();
                                 exclusion.setArtifactId( n3.getArtifact().getArtifactId() );