assets.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="_assets_primary_variables" inherit_id="web._assets_primary_variables">
        <xpath expr="//link[last()]" position="after">
            <link rel="stylesheet" type="text/scss" href="/portal/static/src/scss/primary_variables.scss"/>
        </xpath>
    </template>
    <template id="_assets_frontend_helpers" inherit_id="web_editor._assets_frontend_helpers">
        <xpath expr="//link" position="before">
            <link rel="stylesheet" type="text/scss" href="/portal/static/src/scss/bootstrap_overridden.scss"/>
        </xpath>
    </template>

    <template id="assets_frontend" inherit_id="web_editor.assets_frontend" name="Portal Assets" priority="15">
        <xpath expr="//link[last()]" position="after">
            <link rel="stylesheet" type="text/scss" href="/portal/static/src/scss/bootstrap.extend.scss"/>
            <link rel="stylesheet" type="text/scss" href="/portal/static/src/scss/portal.scss"/>
        </xpath>
        <xpath expr="//script[last()]" position="after">
            <script type="text/javascript" src="/portal/static/src/js/portal.js"></script>
            <script type="text/javascript" src="/portal/static/src/js/portal_chatter.js"></script>
            <script type="text/javascript" src="/portal/static/src/js/portal_composer.js"></script>
            <script type="text/javascript" src="/portal/static/src/js/portal_signature.js"></script>
            <script type="text/javascript" src="/portal/static/src/js/portal_sidebar.js"></script>
        </xpath>
    </template>

    <template id="assets_tests" name="Portal Assets Tests" inherit_id="web.assets_tests">
        <xpath expr="." position="inside">
            <script type="text/javascript" src="/portal/static/tests/tours/portal.js"></script>
        </xpath>
    </template>
</odoo>