Failing to parse parameter pattern should indicate which parameter from which rug

[Lawouach]

I have got a bunch of editors which have a pattern that rug doesn't validate, but when it compiles them, it doesn't tell me which parameter is at fault, nor where to find it.

14:32 $ ../rug-cli/target/rug-cli-0.16.4-SNAPSHOT-bin/rug-cli-0.16.4-SNAPSHOT/bin/rug test -X
Resolving dependencies for atomist-rugs:python-library:0.1.0 ← local completed
Loading atomist-rugs:python-library:0.1.0 ← local into runtime failed

com.atomist.rug.InvalidRugParameterPatternException: Parameter pattern must contain anchors: .*
	at com.atomist.rug.parser.ParserCombinatorRugParser.$anonfun$paramPattern$2(ParserCombinatorRugParser.scala:32)
	at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:137)
	at scala.util.parsing.combinator.Parsers$Success.map(Parsers.scala:136)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$map$1(Parsers.scala:237)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$map$1(Parsers.scala:237)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Success.flatMapWithNext(Parsers.scala:143)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$map$1(Parsers.scala:237)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers.applyp$1(Parsers.scala:718)
	at scala.util.parsing.combinator.Parsers.continue$1(Parsers.scala:724)
	at scala.util.parsing.combinator.Parsers.$anonfun$rep1$1(Parsers.scala:728)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$append$1(Parsers.scala:249)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$map$1(Parsers.scala:237)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Success.flatMapWithNext(Parsers.scala:143)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$map$1(Parsers.scala:237)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$append$2(Parsers.scala:249)
	at scala.util.parsing.combinator.Parsers$Failure.append(Parsers.scala:197)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$append$1(Parsers.scala:249)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$append$1(Parsers.scala:249)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$append$1(Parsers.scala:249)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers.$anonfun$rep1$1(Parsers.scala:727)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$Parser.$anonfun$flatMap$1(Parsers.scala:234)
	at scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:217)
	at scala.util.parsing.combinator.Parsers$$anon$2.$anonfun$apply$2(Parsers.scala:882)
	at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
	at scala.util.parsing.combinator.Parsers$$anon$2.apply(Parsers.scala:882)
	at scala.util.parsing.combinator.RegexParsers.parse(RegexParsers.scala:156)
	at scala.util.parsing.combinator.RegexParsers.parse$(RegexParsers.scala:155)
	at com.atomist.util.scalaparsing.CommonTypesParser.parse(CommonTypesParser.scala:24)
	at com.atomist.util.scalaparsing.CommonTypesParser.parseTo(CommonTypesParser.scala:335)
	at com.atomist.rug.parser.ParserCombinatorRugParser.parse(ParserCombinatorRugParser.scala:248)
	at com.atomist.rug.InterpreterRugPipeline.$anonfun$parseRugFiles$2(InterpreterRugPipeline.scala:37)
	at scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:241)
	at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:52)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
	at scala.collection.TraversableLike.flatMap(TraversableLike.scala:241)
	at scala.collection.TraversableLike.flatMap$(TraversableLike.scala:238)
	at scala.collection.AbstractTraversable.flatMap(Traversable.scala:104)
	at com.atomist.rug.InterpreterRugPipeline.parseRugFiles(InterpreterRugPipeline.scala:36)
	at com.atomist.rug.InterpreterRugPipeline.create(InterpreterRugPipeline.scala:29)
	at com.atomist.project.archive.ProjectOperationArchiveReader.findOperations(ProjectOperationArchiveReader.scala:43)
	at com.atomist.rug.loader.DefaultOperationsLoader.loadArtifact(DefaultOperationsLoader.java:161)
	at com.atomist.rug.loader.DefaultOperationsLoader.load(DefaultOperationsLoader.java:85)
	at com.atomist.rug.cli.command.AbstractCommand.doLoadOperations(AbstractCommand.java:89)
	at com.atomist.rug.cli.command.AbstractCommand.lambda$loadOperations$0(AbstractCommand.java:82)
	at com.atomist.rug.cli.output.ProgressReportingOperationRunner.run(ProgressReportingOperationRunner.java:20)
	at com.atomist.rug.cli.command.AbstractCommand.loadOperations(AbstractCommand.java:80)
	at com.atomist.rug.cli.command.AbstractCommand.loadOperationsAndInvokeRun(AbstractCommand.java:113)
	at com.atomist.rug.cli.command.AbstractCommand.run(AbstractCommand.java:53)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.atomist.rug.cli.command.ReflectiveCommandRunMethodRunner.invokeCommand(ReflectiveCommandRunMethodRunner.java:20)
	at com.atomist.rug.cli.command.ReflectiveCommandRunner.runCommand(ReflectiveCommandRunner.java:66)
	at com.atomist.rug.cli.Runner.runCommand(Runner.java:122)
	at com.atomist.rug.cli.Runner.run(Runner.java:44)
	at com.atomist.rug.cli.Main.main(Main.java:17)