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

gistfile1.txt

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 ci

Hmm, this is missing the git init side of the automation and setting up the git remote, in 2013 I probably did that manually since I only had a single Jenkins master. This should be illustrative enough of the concept still, but caveat emptor.