in versioned_plugins.rb [455:472]
def write_stack_versions(content, type)
if content =~ /\[":branch: %BRANCH%"\]/
type_entry = ":type: #{type}\n"
logstash_version_entry = ":branch: %BRANCH%\n"
ecs_version_entry = ":ecs_version: %ECS_VERSION%\n"
index = content.index(type_entry)
index = index + type_entry.length
content.insert(index, logstash_version_entry)
content.insert(index + logstash_version_entry.length, ecs_version_entry)
end
content = content \
.gsub("%BRANCH%", @stack_version) \
.gsub("%ECS_VERSION%", @ecs_version)
end