source distribution is incomplete
diff --git a/build.xml b/build.xml
index 0a0564b..d183d19 100644
--- a/build.xml
+++ b/build.xml
@@ -260,20 +260,23 @@
     <mkdir dir="${src.dist.dir}"/>
     <copy todir="${src.dist.dir}">
       <fileset dir=".">
-        <include name="src/"/>
-        <include name="common/"/>
-        <include name="docs/"/>
-        <include name="README"/>
+        <include name=".gitignore"/>
+        <include name=".gitmodules"/>
         <include name="INSTALL"/>
         <include name="NOTICE"/>
+        <include name="README"/>
         <include name="TODO"/>
-        <include name="changes.xml"/>
-        <include name="contributors.xml"/>
-        <include name="build.xml"/>
-        <include name="version.properties"/>
         <include name="build.properties"/>
+        <include name="build.xml"/>
+        <include name="changes.xml"/>
+        <include name="common/"/>
+        <include name="contributors.xml"/>
+        <include name="docs/"/>
         <include name="ivy.xml"/>
+        <include name="prepare.xml"/>
         <include name="project-template.pom"/>
+        <include name="src/"/>
+        <include name="version.properties"/>
       </fileset>
       <fileset dir="common">
         <include name="LICENSE"/>