sort files from scanner for reproducible index output

Signed-off-by: Hervé Boutemy <[email protected]>

pom.xml

@@ -103,6 +103,12 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+      <version>3.3.0</version>
     </dependency>
     <dependency>
       <groupId>org.jboss</groupId>
@@ -118,8 +124,8 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.1</version>
           <configuration>
-            <source>1.5</source>
-            <target>1.5</target>
+            <source>1.6</source>
+            <target>1.6</target>
           </configuration>
         </plugin>
         <plugin>

src/main/java/org/jboss/jandex/maven/JandexGoal.java

@@ -22,6 +22,7 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 
 import org.apache.maven.plugin.Mojo;
@@ -165,6 +166,15 @@ public void execute()
 
             final DirectoryScanner scanner = new DirectoryScanner();
             scanner.setBasedir( dir );
+            // order files to get reproducible result
+            scanner.setFilenameComparator( new Comparator<String>()
+            {
+                @Override
+                public int compare( String s1, String s2 )
+                {
+                    return s1.compareTo( s2 );
+                }
+            } );
 
             if ( fileset.isUseDefaultExcludes() )
             {