Swagger Remote URL Trust All for maven

Can some one tell me how can I specify the arg for trusting all remote url in maven.

<plugin>
    <groupId>io.swagger</groupId>
    <artifactId>swagger-codegen-maven-plugin</artifactId>
    <version>2.2.3</version>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>swagger.yaml</inputSpec>
                <language>java</language>
                <library>resttemplate</library>
            </configuration>
        </execution>
    </executions>
</plugin>

How can I add -Dio.swagger.parser.util.RemoteUrl.trustAll=true to the plugin ?

I want it something like

<plugin>
    <groupId>io.swagger</groupId>
    <artifactId>swagger-codegen-maven-plugin</artifactId>
    <version>2.2.3</version>
    <arg>-Dio.swagger.parser.util.RemoteUrl.trustAll=true</arg>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>swagger.yaml</inputSpec>
                <language>java</language>
                <library>resttemplate</library>
            </configuration>
        </execution>
    </executions>
</plugin>

Also is there a way I can specify inputSpec as a System Property of buildTime arg instead of fixing it. I am using a remote URL which changes based on environment

Start with the swagger-codegen-maven-plugin configuration shown in the issue and trace how its generate goal receives inputSpec and JVM properties. Determine whether Maven configuration can expose the remote URL trust setting and an environment-dependent inputSpec; done means both values work during plugin execution without being fixed in the POM.