[Anthill-pro] Changeset ID script returning 0

[Christopher Power]

When I run my build, and it runs the following changeset id script, the
logging output at the end outputs 0.  Am I doing something wrong?

import com.urbancode.vcsdriver3.*;
import com.urbancode.anthill3.domain.buildlife.*;
import com.urbancode.anthill3.runtime.scripting.helpers.*;

static transient private org.apache.log4j.Logger log =
org.apache.log4j.Logger.getLogger("MESSAGE");

int getMaxChangeSet(BuildLife life) {
  int result = 0;

  ChangeLog[] changelogArray = ChangeLogHelper.getChangeLogArray(life);
  for (int i = 0; i < changelogArray.length; i++)
  {
    ChangeSet[] changesetArray = changelogArray[i];
    for (int j = 0; j < changesetArray.length; j++)
    {
      ChangeSet changeset = changesetArray[j];
      id = changeset.getId();
      // edit out the "r" character for svn
      if (id.startsWith("r"))
      {
        id = id.substring(1);
      }
      int num = (new Integer(id.trim())).intValue();
      if (num > result)
      {
        result = num;
      }
    }
  }
  return result;
}

// If there is no changelog, look up the previous build
// and take the highest number from that (if present, else keep searching).
int highestChangeset = 0;
BuildLife life = BuildLifeLookup.getCurrent();
while(highestChangeSetCount == 0 && life != null)
{
  highestChangeSetCount = getMaxChangeSet(life);
  life = life.getPrevBuildLife();
}

log.warn("Found changeset id = " + highestChangeset + ", for build life = "
+ life.getVersion());
stampContext.put("changeset", ""+highestChangeset);
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