Pipeline docker.build - docker build-arg cause pipeline to fail

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      Both of these attempts results in the error 
       "docker build" requires exactly 1 argument.

      I believe this to be a bug since the docker.build works fine without any arguments.

      stage('Build image') {
  steps{
    sh """docker build -t my-image:dev --build-arg VAULT_TOKEN=${VAULT_TOKEN} ."""
  }
}

       

      stage('Build image') { 
  steps{ 
    docker.build "my-image:dev", "--build-arg VAULT_TOKEN=${VAULT_TOKEN} ."
  } 
}

      When looking at the pipeline output I can see the trailing "." is being removed from the docker.build step

      + docker build -t my-image:dev --build-arg VAULT_TOKEN=<token>
"docker build" requires exactly 1 argument.
See 'docker build --help'.

Usage:  docker build [OPTIONS] PATH | URL | -

            Assignee:
            Unassigned
            Reporter:
            Gene Gaddy
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Archived: