mirror of https://github.com/apache/kafka.git
86 lines
3.7 KiB
Groovy
86 lines
3.7 KiB
Groovy
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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// This file contains tasks for the gradle wrapper generation.
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// Ensure the wrapper script is generated based on the version defined in the project
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// and not the version installed on the machine running the task.
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// Read more about the wrapper here: https://docs.gradle.org/current/userguide/gradle_wrapper.html
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wrapper {
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gradleVersion = project.gradleVersion
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distributionType = Wrapper.DistributionType.ALL
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}
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// Custom task to inject support for downloading the gradle wrapper jar if it doesn't exist.
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// This allows us to avoid checking in the jar to our repository.
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// Additionally adds a license header to the wrapper while editing the file contents.
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task bootstrapWrapper() {
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// In the doLast block so this runs when the task is called and not during project configuration.
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doLast {
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def wrapperBasePath = "\$APP_HOME/gradle/wrapper"
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def wrapperJarPath = wrapperBasePath + "/gradle-wrapper.jar"
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// Add a trailing zero to the version if needed.
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def fullVersion = project.gradleVersion.count(".") == 1 ? "${project.gradleVersion}.0" : versions.gradle
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// Leverages the wrapper jar checked into the gradle project on github because the jar isn't
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// available elsewhere. Using raw.githubusercontent.com instead of github.com because
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// github.com servers deprecated TLSv1/TLSv1.1 support some time ago, so older versions
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// of curl (built against OpenSSL library that doesn't support TLSv1.2) would fail to
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// fetch the jar.
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def wrapperBaseUrl = "https://raw.githubusercontent.com/gradle/gradle/v$fullVersion/gradle/wrapper"
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def wrapperJarUrl = wrapperBaseUrl + "/gradle-wrapper.jar"
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def bootstrapString = """
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# Loop in case we encounter an error.
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for attempt in 1 2 3; do
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if [ ! -e "$wrapperJarPath" ]; then
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if ! curl -s -S --retry 3 -L -o "$wrapperJarPath" "$wrapperJarUrl"; then
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rm -f "$wrapperJarPath"
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# Pause for a bit before looping in case the server throttled us.
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sleep 5
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continue
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fi
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fi
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done
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""".stripIndent()
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def wrapperScript = wrapper.scriptFile
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def wrapperLines = wrapperScript.readLines()
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wrapperScript.withPrintWriter { out ->
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def bootstrapWritten = false
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wrapperLines.each { line ->
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// Print the wrapper bootstrap before the first usage of the wrapper jar.
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if (!bootstrapWritten && line.contains("gradle-wrapper.jar")) {
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out.println(bootstrapString)
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bootstrapWritten = true
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}
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out.print(line)
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out.println()
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}
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}
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}
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}
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wrapper.finalizedBy bootstrapWrapper
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// Remove the generated batch file since we don't test building in the Windows environment.
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task removeWindowsScript(type: Delete) {
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delete "$rootDir/gradlew.bat"
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}
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wrapper.finalizedBy removeWindowsScript
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