# Add Artifact archiving config

from lxml.etree import fromstring


new_node = fromstring("""\
    <hudson.tasks.ArtifactArchiver>
      <artifacts>build/out/*.xml</artifacts>
      <latestOnly>false</latestOnly>
    </hudson.tasks.ArtifactArchiver>
""")

def mangle(tree):
    if tree.xpath("//hudson.tasks.ArtifactArchiver"):
        # Needed config already there - don't change
        return False

    parent_node = tree.xpath('/project/publishers')[0]
    parent_node.insert(0, new_node)