--- /dev/null
+#!/bin/bash
+
+SCENARIO=$1
+ACTION=${2-install}
+
+dir=scenarios/${SCENARIO}
+if [ -z "$SCENARIO" ] ; then
+ SCENARIO=default
+ dir=.
+fi
+
+
+if [ ! -d "$dir" ] ; then
+ echo "Requested scenario '${SCENARIO}' does not exist."
+ exit 1
+fi
+
+echo "Switch to ${SCENARIO} scenario"
+
+set -ex
+
+composer -n --working-dir=$dir ${ACTION} --prefer-dist --no-scripts
+composer -n --working-dir=$dir info