Add "provided" classpathScope (runtime+provided)

- New "provided" value for classpathScope includes both runtime and
  provided dependencies
- Closes #60

src/it/projects/git-issue-60-exec/pom.xml

@@ -0,0 +1,59 @@
+<project>
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.codehaus.mojo.exec.it</groupId>
+    <artifactId>parent</artifactId>
+    <version>0.1</version>
+  </parent>
+
+  <groupId>org.codehaus.mojo.exec-maven-plugin</groupId>
+  <artifactId>git-issue-60-exec</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <scope>runtime</scope>
+    </dependency>
+    <dependency>
+      <groupId>log4j</groupId>
+      <artifactId>log4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <!-- for manual tests. Can't be automated in the unit tests as the plugin's not installed. What about integration tests? -->
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <phase>test</phase>
+            <goals>
+              <goal>exec</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <classpathScope>provided</classpathScope>
+          <executable>${JAVA_HOME}/bin/java</executable>
+          <arguments>
+            <argument>-classpath</argument>
+            <classpath />
+            <argument>gitissue60.Main</argument>
+          </arguments>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

src/it/projects/git-issue-60-exec/src/main/java/gitissue60/Main.java

@@ -0,0 +1,31 @@
+package gitissue60;
+
+/*
+ * Copyright 2005 The Codehaus.
+ *
+ * Licensed 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.
+ */
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @version $Id$
+ */
+public class Main
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger( Main.class );
+    public static void main( String[] args ) throws Exception {
+        LOGGER.info( "Can you hear me, Major Tom?" );
+    }
+}

src/it/projects/git-issue-60-exec/src/main/resources/log4j.properties

@@ -0,0 +1,8 @@
+# Root logger option
+log4j.rootLogger=INFO, file
+
+# Direct log messages to stdout
+log4j.appender.file=org.apache.log4j.FileAppender
+log4j.appender.file.File=exec.log
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

src/it/projects/git-issue-60-exec/verify.groovy

@@ -0,0 +1,25 @@
+/*
+ * 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 execLog = new File(basedir, 'exec.log')
+assert execLog.exists()
+assert execLog.getText().contains('Can you hear me, Major Tom?')
+
+File buildLog = new File(basedir, 'build.log')
+assert buildLog.exists()

src/it/projects/git-issue-60-java/invoker.properties

@@ -0,0 +1 @@
+invoker.debug = true

src/it/projects/git-issue-60-java/pom.xml

@@ -0,0 +1,58 @@
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.codehaus.mojo.exec.it</groupId>
+    <artifactId>parent</artifactId>
+    <version>0.1</version>
+  </parent>
+
+  <groupId>org.codehaus.mojo.exec-maven-plugin</groupId>
+  <artifactId>git-issue-60-java</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <scope>runtime</scope>
+    </dependency>
+    <dependency>
+      <groupId>log4j</groupId>
+      <artifactId>log4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <!-- for manual tests. Can't be automated in the unit tests as the plugin's not installed. What about integration tests? -->
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <phase>test</phase>
+            <goals>
+              <goal>java</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <mainClass>gitissue60.Main</mainClass>
+          <classpathScope>provided</classpathScope>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

src/it/projects/git-issue-60-java/src/main/java/gitissue60/Main.java

@@ -0,0 +1,31 @@
+package gitissue60;
+
+/*
+ * Copyright 2005 The Codehaus.
+ *
+ * Licensed 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.
+ */
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @version $Id$
+ */
+public class Main
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger( Main.class );
+    public static void main( String[] args ) throws Exception {
+        LOGGER.info( "Can you hear me, Major Tom?" );
+    }
+}

src/it/projects/git-issue-60-java/src/main/resources/log4j.properties

@@ -0,0 +1,8 @@
+# Root logger option
+log4j.rootLogger=INFO, file
+
+# Direct log messages to stdout
+log4j.appender.file=org.apache.log4j.FileAppender
+log4j.appender.file.File=exec.log
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

src/it/projects/git-issue-60-java/verify.groovy

@@ -0,0 +1,30 @@
+/*
+ * 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 execLog = new File(basedir, 'exec.log')
+assert execLog.exists()
+assert execLog.getText().contains('Can you hear me, Major Tom?')
+
+File buildLog = new File(basedir, 'build.log')
+assert buildLog.exists()
+def buildLogText = buildLog.getText()
+assert buildLogText.contains( "Adding project dependency artifact: slf4j-api to classpath" )
+assert buildLogText.contains( "Adding project dependency artifact: log4j to classpath" )
+assert buildLogText.contains( "Adding project dependency artifact: slf4j-log4j12 to classpath" )
+assert !buildLogText.contains( "Adding project dependency artifact: junit to classpath" )

src/it/projects/setup-parent/pom.xml

@@ -30,6 +30,26 @@
         <artifactId>commons-io</artifactId>
         <version>2.7</version>
       </dependency>
+      <dependency>
+        <groupId>org.slf4j</groupId>
+        <artifactId>slf4j-api</artifactId>
+        <version>1.7.21</version>
+      </dependency>
+      <dependency>
+        <groupId>org.slf4j</groupId>
+        <artifactId>slf4j-log4j12</artifactId>
+        <version>1.7.21</version>
+      </dependency>
+      <dependency>
+        <groupId>log4j</groupId>
+        <artifactId>log4j</artifactId>
+        <version>1.2.17</version>
+      </dependency>
+      <dependency>
+        <groupId>junit</groupId>
+        <artifactId>junit</artifactId>
+        <version>3.8.1</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 

src/main/java/org/codehaus/mojo/exec/AbstractExecMojo.java

@@ -22,7 +22,9 @@
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.execution.MavenSession;
@@ -89,8 +91,17 @@ public abstract class AbstractExecMojo extends AbstractMojo {
     private String commandlineArgs;
 
     /**
-     * Defines the scope of the classpath passed to the plugin. Set to compile,test,runtime or system depending on your
-     * needs. Since 1.1.2, the default value is 'runtime' instead of 'compile'.
+     * Defines the scope of the classpath passed to the plugin.
+     *
+     * <ul>
+     *     <li><code>runtime</code> (default): Include "compile" and "runtime" scopes</li>
+     *     <li><code>compile</code>: Include "compile", "provided", and "system" scopes</li>
+     *     <li><code>test</code>: Include all scopes</li>
+     *     <li><code>provided</code>: Include "compile", "runtime", "provided", and "system" scopes</li>
+     *     <li><code>system</code>: Include "system" scope</li>
+     * </ul>
+     *
+     * Since 1.1.2, the default value is 'runtime' instead of 'compile'.
      */
     @Parameter(property = "exec.classpathScope", defaultValue = "runtime")
     protected String classpathScope;
@@ -153,6 +164,15 @@ protected void collectProjectArtifactsAndClasspath(List<Artifact> artifacts, Lis
             if (addOutputToClasspath) {
                 theClasspathFiles.add(Paths.get(project.getBuild().getOutputDirectory()));
             }
+        } else if ("provided".equals(classpathScope)) {
+            // "compile" gives compile, provided, and system scopes
+            // "runtime" gives compile and runtime scopes
+            Set<Artifact> artifactSet = new HashSet<>(project.getCompileArtifacts());
+            artifactSet.addAll(project.getRuntimeArtifacts());
+            artifacts.addAll(artifactSet);
+            if (addOutputToClasspath) {
+                theClasspathFiles.add(Paths.get(project.getBuild().getOutputDirectory()));
+            }
         } else if ("system".equals(classpathScope)) {
             artifacts.addAll(project.getSystemArtifacts());
         } else {