ivysettings.xml

<ivysettings>
    <settings defaultResolver="main"/>
    
    <properties environment="env"/>
    <property name="github.user" value="cjmach" override="false"/>
    <property name="github.token" value="${env.ACCESS_TOKEN}" override="false" ifset="env.ACCESS_TOKEN" />
    <credentials host="maven.pkg.github.com" realm="GitHub Package Registry" username="${github.user}" passwd="${github.token}"/>
    
    <resolvers>
        <chain name="main">
            <filesystem name="local" m2compatible="true">
                <artifact pattern="${ivy.settings.dir}/m2/[organisation]/[module]/[revision]/[artifact]-[revision].[ext]"/>
            </filesystem>
            <ibiblio name="central" root="https://repo1.maven.org/maven2" m2compatible="true"/>
            <ibiblio name="ibiblio" m2compatible="true"/>
            <ibiblio name="github" root="https://maven.pkg.github.com/cjmach/pstconv" m2compatible="true" />
        </chain>
    </resolvers>
</ivysettings>