lucene/gradle/generate-defaults.gradle

75 lines
3.2 KiB
Groovy

/*
* 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 script tries to guess sensible defaults for gradle parallelism
// and local machine's resources and save them under 'gradle.properties'.
def hasDefaults = rootProject.file("gradle.properties").exists()
// If we don't have the defaults yet, create them.
if (!hasDefaults) {
configure(rootProject) {
task localSettings() {
doFirst {
// Approximate a common-sense default for running gradle/tests with parallel
// workers: half the count of available cpus but not more than 12.
def cpus = Runtime.runtime.availableProcessors()
def maxWorkers = (int) Math.max(1d, Math.min(cpus * 0.5d, 12))
def testsJvms = (int) Math.max(1d, Math.min(cpus * 0.5d, 12))
// Write the defaults for this machine.
rootProject.file("gradle.properties").write(
[
"# These settings have been generated automatically on the first run.",
"# See gradlew :helpLocalSettings for more information.",
"systemProp.file.encoding=UTF-8",
"org.gradle.jvmargs=-Xmx2g",
"org.gradle.parallel=true",
"org.gradle.priority=normal",
"org.gradle.warning.mode=none", // Silence gradle warnings. We'll deal with them when we upgrade the wrapper.
"",
"# You may disable the background daemon if it consumes too much memory.",
"org.gradle.daemon=true",
"org.gradle.daemon.idletimeout=900000", // timeout after 15 mins.
"",
"# Maximum number of parallel gradle workers.",
"org.gradle.workers.max=${maxWorkers}",
"",
"# Maximum number of test JVMs forked per test task.",
"tests.jvms=${testsJvms}"
].join("\n"), "UTF-8")
logger.log(LogLevel.WARN, "\nIMPORTANT. This is the first time you ran the build. " +
"I wrote some sane defaults (for this machine) to 'gradle.properties', " +
"they will be picked up on consecutive gradle invocations (not this one).\n\n" +
"Run gradlew :helpLocalSettings for more information.")
}
}
}
// Make all tasks depend on local setup to make sure it'll run.
allprojects {
tasks.all { task ->
if (task != rootProject.localSettings) {
task.dependsOn rootProject.localSettings
}
}
}
}