Add SVN support

build-versioning.xml

@@ -10,8 +10,7 @@
     <target name="-write-version" depends="-write-version-header, -add-version, -write-updater-header, -add-channel"/>
 
     <target name="-write-version-header">
-        <echo file="${version.config}">
-# This is a DMDirc configuration file automatically generated by
+        <echo file="${version.config}"># This is a DMDirc configuration file automatically generated by
 # the build process.
 
 keysections:
@@ -25,12 +24,17 @@ version:
     <target name="-add-version" depends="-add-git-version, -add-svn-version"/>
 
     <target name="-add-git-version" if="is.git">
-        <exec executable="git-describe" output="build/classes/com/dmdirc/version.config" append="true">
+        <exec executable="git-describe" output="${version.config}" append="true">
             <arg value="--tags"/>
         </exec>
     </target>
 
-    <target name="-add-svn-version" if="is.svn">
+    <target name="-add-svn-version" if="is.svn" depends="-add-svn-bash"/>
+    <target name="-add-svn-bash" if="has.bash">
+        <exec dir="." executable="/bin/bash" output="${version.config}" append="true">
+            <arg value="-c"/>
+            <arg value="svn log -l 1 | grep ^Git-version | cut -f 2 -d ' '"/>
+        </exec>
     </target>
 
     <target name="-write-updater-header">