Backup Jenkins home periodicallly with git.

jenkins-home-git.sh

#!/bin/bash

# Setup
#
# - Create a new Jenkins Job
# - Mark "None" for Source Control Management
# - Select the "Build Periodically" build trigger
#   - configure to run as frequently as you like
# - Add a new "Execute Shell" build step
#   - Paste the contents of this file as the command
# - Save
#  
# NOTE: before this job will work, you'll need to manually navigate to the $JENKINS_HOME directory 
# and do the initial set up of the git repository (git init).
# Make sure the appropriate remote is added and the default remote/branch set up (git clone).
#  

# Jenkins Configurations Directory
cd $JENKINS_HOME

# Add general configurations, job configurations, and user content
git add -- *.xml userContent/* secrets nodes

# only add jobs config if they exist
if [ -d jobs ]; then
    find -L jobs -type f -iname config.xml -follow -print0 -exec git add {} \;
else
    echo "[Error] missing jobs folder"
    exit 1
fi

# only add user configurations if they exist
if [ -d users ]; then
    find -L users -type f -iname config.xml -follow -print0 -exec git add {} \;
else
    echo "[Error] missing users folder"
    exit 1
fi

# add plugins
git add plugins/*.jpi*

# mark as deleted anything that's been, well, deleted
to_remove=`git status | grep "deleted" | awk '{print $2}'`

if [ -n "$to_remove" ]; then
    git rm --ignore-unmatch $to_remove
else
    echo "[Info] no files to be removed"
fi

echo "[Info] committing changes"
git commit -m "Automated Jenkins commit from `hostname` (master) node, `date`"

echo "[Info] pushing commit to git repository"
git push -q -u origin master