fix checkstyle and its

Author: slawekjaranowski

src/it/no-main-artifact-1/pom.xml

@@ -86,6 +86,9 @@ under the License.
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-install-plugin</artifactId>
         <version>@mavenInstallPluginVersion@</version>
+        <configuration>
+          <allowIncompleteProjects>true</allowIncompleteProjects>
+        </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>

src/it/no-main-artifact-2/pom.xml

@@ -85,6 +85,9 @@ under the License.
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-install-plugin</artifactId>
         <version>@mavenInstallPluginVersion@</version>
+        <configuration>
+          <allowIncompleteProjects>true</allowIncompleteProjects>
+        </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>

src/main/java/org/apache/maven/plugins/deploy/DeployFileMojo.java

@@ -232,6 +232,7 @@ private Path readingPomFromJarFile() {
         return null;
     }
 
+    @SuppressWarnings("checkstyle:MethodLength")
     public void execute() throws MojoException {
         if (Boolean.parseBoolean(skip)
                 || ("releases".equals(skip) && !session.isVersionSnapshot(version))

src/main/java/org/apache/maven/plugins/deploy/DeployMojo.java

@@ -19,7 +19,11 @@
 package org.apache.maven.plugins.deploy;
 
 import java.nio.file.Files;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;