const origin = pattern
    let negative = false

    // > An optional prefix "!" which negates the pattern;
    if (pattern.indexOf('!') === 0) {
        negative = true
        pattern = pattern.substr(1)
    }

    pattern = pattern
        // > Put a backslash ("\") in front of the first "!" for patterns that
        // >   begin with a literal "!", for example, `"\!important!.txt"`.

    if (os == Os.WINDOWS) {
        script {
            name = "SETUP_VIRTUAL_DISK_FOR_PERF_TEST"
            executionMode = BuildStep.ExecutionMode.ALWAYS
            scriptContent = """
                subst p: /d
                subst p: "%teamcity.build.checkoutDir%"
            """.trimIndent()
            skipConditionally()
        }
    }
}

fun BuildType.cleanUpGitUntrackedFilesAndDirectories() {
    steps {

import gradlebuild.testcleanup.extension.TestFilesCleanupProjectState

/**
 * When run from a Continuous Integration environment, we only want to archive a subset of reports, mostly for
 * failing tasks only, to not use up unnecessary disk space on Team City. This also improves the performance of
 * artifact publishing by reducing the artifacts and packaging reports that consist of multiple files.

        if (destDir.length() > 0) {
            transformer.setParameter("base.dir", destDir + "/");
        }
        FileOutputStream outstr = new FileOutputStream(dest);
        try {
            transformer.transform(new StreamSource(source), new StreamResult(outstr));
        } finally {
            outstr.close();
        }
    }

    }

    val quickFeedbackCrossVersionTests = tasks.register("quickFeedbackCrossVersionTests") {
        group = "verification"
        description = "Runs the cross-version tests against a subset of selected Gradle versions with 'forking' executer for quick feedback"
    }

    val releasedVersions = moduleIdentity.releasedVersions.orNull
    releasedVersions?.allTestedVersions?.forEach { targetVersion ->