Change the command used to determine the Build version. Use

"git describe" instead of "git tag".

appinventor/common/build.xml

@@ -97,7 +97,7 @@
          by Git.  We use the version or to check against the buildserver
          version.   We use the fingerprint only in the logs as an debugging aid. -->
     <exec executable="git" outputproperty="git.build.version">
-        <arg line = "tag " />
+        <arg line = "describe " />
     </exec>
     <filter token="git.build.version" value="${git.build.version}" />