Builds a jenkins-config.tar.gz in current directory. The archive includes full JENKINS_HOME but builds/ and workspaces/.

jenkins-config-backup

#!/bin/sh
readonly jenkins_data=/var/lib/jenkins

readonly jenkins_data_escaped=$(echo $jenkins_data | sed -E 's/\//\\\//g')
readonly filelist=$(mktemp)

find $jenkins_data |
sed -E "
s/^$jenkins_data_escaped\///;
/^${jenkins_data_escaped}$/d;
/^jobs\/.*?\/(builds|workspace|last.*)/d;
/^(\.java|log|updates).*/d;
/^.*\.bak$/d
/jenkins-config\.tar\.gz/d
" > $filelist

tar --create --gzip --file jenkins-config.tar.gz \
	--directory=$jenkins_data/ --no-recursion --files-from=$filelist

rm $filelist