Allow defining complex expression like in interactive mode #132
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Overlapping parameter expression for goal
help:evaluateby default:handleResponse("${" + expression + "}", output);limits usage for more complex expressions, e.g.
mvn help:evaluate -Dexpression='project_version=${project.version}'which currently fails with message:
null object or invalid expressionSkipping the overlapping when an expression already contains string '${' removes this limitation and allows to define expression in the same way as in the interactive mode:
echo 'project_version=${project.version}'|mvn help:evaluate