wrapper {

gradleVersion = versions.gradle

}

task bootstrapWrapper() {

// In the doLast block so this runs when the task is called and not during project configuration.

doLast {

def wrapperBasePath = "\$APP_HOME/gradle/wrapper"

def wrapperJarPath = wrapperBasePath + "/gradle-wrapper.jar"

// Leverages the wrapper jar checked into the gradle project on github because the jar isn't

// available elsewhere. Using raw.githubusercontent.com instead of github.com because

// github.com servers deprecated TLSv1/TLSv1.1 support some time ago, so older versions

// of curl (built against OpenSSL library that doesn't support TLSv1.2) would fail to

// fetch the jar.

// IMPORTANT: This checksum **must** be updated whenever the Gradle version changes.

String wrapperChecksum = "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"

def wrapperJarUrl = "https://raw.githubusercontent.com/gradle/gradle/v$versions.gradle/gradle/wrapper/gradle-wrapper.jar"

def bootstrapString = """

""".stripIndent()

String putBootstrapStringAbove = "# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script."

def wrapperScript = wrapper.scriptFile

def wrapperLines = wrapperScript.readLines()

wrapperScript.withPrintWriter { out ->

def bootstrapWritten = false

wrapperLines.each { line ->

// Print the wrapper bootstrap before the first usage of the wrapper jar.

if (!bootstrapWritten && line.contains(putBootstrapStringAbove)) {

out.println(bootstrapString)

bootstrapWritten = true

}

out.print(line)

out.println()

}

}

}

}

wrapper.finalizedBy bootstrapWrapper

task removeWindowsScript(type: Delete) {

delete "$rootDir/gradlew.bat"

}

wrapper.finalizedBy removeWindowsScript