Add summary with build artifacts matching a pattern

artifactSummary.groovy

                                        def filter = /.log$/

                                        def icon = 'attribute.png'
                                        def header = "<h2>Artifacts matching ${filter}</h2>"

                                        def body = manager.build.artifacts
                                        .findAll { it.relativePath =~ filter }
                                        .collect { "<a href='artifact/${it.href}'>${it.name}</a>" }
                                        .collect { "<li>${it}</li>" }
                                        .join('\\n')

                                        manager.createSummary(icon)
                                        .appendText( "${header} <ul>${body}</ul>", false)