Index: applications/editors/josm/plugins/slippymap/build.xml
===================================================================
--- applications/editors/josm/plugins/slippymap/build.xml	(revision 7287)
+++ applications/editors/josm/plugins/slippymap/build.xml	(revision 7821)
@@ -27,4 +27,12 @@
       <fileset dir="images" />
     </copy>
+    <exec append="false" output="REVISION" executable="svn" failifexecutionfails="false">
+      <env key="LANG" value="C"/>
+      <arg value="info"/>
+      <arg value="--xml"/>
+      <arg value="."/>
+    </exec>
+    <xmlproperty file="REVISION" prefix="version" keepRoot="false" collapseAttributes="true"/>
+    <delete file="REVISION"/>
     
     <!-- create josm-custom.jar -->
@@ -33,4 +41,6 @@
         <attribute name="Plugin-Class" value="org.openstreetmap.josm.plugins.slippymap.SlippyMapPlugin" />
         <attribute name="Plugin-Description" value="Displays a slippy map tile grid, and tile status info" />
+        <attribute name="Plugin-Version" value="${version.entry.commit.revision}"/>
+        <attribute name="Plugin-Date" value="${version.entry.commit.date}"/>
       </manifest>
     </jar>