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