Shell script to export Jenkins plugins/versions into an ansible friendly format

jenkins-export-plugins.sh

#!/bin/bash

# Requirements
PROGS=("xmlstarlet")

for PROG in "${PROGS[@]}" ; do
	command -v $PROG >/dev/null 2>&1 || { echo >&2 "System requirement $PROG not met. Please install $PROG"; exit 1; }
done

# Sanity
if [[ "$1" == "" ]] ; then
	JENKINS_PLUGIN_DIR="/var/lib/jenkins/plugins"
else
	JENKINS_PLUGIN_DIR="$1"
fi

if [ ! -d $JENKINS_PLUGIN_DIR ] ; then
	echo "Jenkins plugin directory is not a directory: ${JENKINS_PLUGIN_DIR}"
	exit 1
fi

SPACES=$(printf "%0.s " {1..2})

# Process
echo "initial:"

for LIC in `ls -1 $JENKINS_PLUGIN_DIR/*/WEB-INF/licenses.xml` ; do
	ART_ID=$(cat "${LIC}" | xmlstarlet sel -t -v '/l:dependencies/@artifactId')
	VER_ID=$(cat "${LIC}" | xmlstarlet sel -t -v '/l:dependencies/@version')

	printf '%s- name: "%s"\n' "${SPACES}" "${ART_ID}"
	printf '%s  version: "%s"\n' "${SPACES}" "${VER_ID}"
done