private GantResult executeWithGantInstance(Gant gant, final Closure<?> doNothingClosure) {
GantResult result = new GantResult();
result.script = gant.prepareTargets();
gant.setAllPerTargetPostHooks(doNothingClosure);
gant.setAllPerTargetPreHooks(doNothingClosure);
// Invoke the default target.
result.exitCode = gant.executeTargets();
return result;
}
