ignoreOnStage:[ "deploy" ]property to mark which packages should be skipped by the deploy command. If you want a selective skip, that is skip a particular package being deployed to specific org, you could use the property
alwaysDeploy:trueand the particular package will always be deployed. Please note this package has to be always available in the artifacts directory to enable this functionality.
--baselineorgparameter allows you to specify the alias or username of an org against which to check whether the incoming package versions have already been installed and form a deployment plan.This overrides the default behaviour which is to compare against the deployment target org. This is an optional feature which allows to ensure each org's are updated with the same deployment across every org's in the path to production.