in collect-sling-repos.groovy [121:135]
String getGroups(Map repoDef, Map groupMap) {
def name = repoDef.name
def groups = []
groupMap.forEach { key, value ->
if ( value.contains(name) ) {
groups.add(key)
}
}
if ( groups.size() ) {
return groups.join(',')
}
null
}