version control jenkins and jobs this shell snippet itself can be used as a jenkins job and it will add itself.

gistfile1.sh

cd /var/lib/jenkins
 
git add userContent/* -f
git add jobs/*/*.xml -f
git add users/*/config.xml -f
git add *.xml
 
COUNT=`git ls-files --deleted | wc -l`
if [ $COUNT -ne 0 ]
  then git ls-files --deleted | xargs -d '\n' git rm
fi
 
git commit -m "autocommit by jenkins job because $BUILD_CAUSE"
 
# Push the commit up to the remote repository.
git push origin jenkins

Updated with a bug fix -- previous version didn't delete correctly.