/*
* Copyright 2010 the original author or authors.
*
* Licensed 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.
*/
package org.gradle.configuration;
import org.gradle.api.DefaultTask;
import org.gradle.api.tasks.TaskAction;
import org.gradle.initialization.BuildClientMetaData;
import org.gradle.logging.StyledTextOutput;
import org.gradle.logging.StyledTextOutputFactory;
import org.gradle.util.GradleVersion;
import static org.gradle.logging.StyledTextOutput.Style.*;
public class Help extends DefaultTask {
@TaskAction
void displayHelp() {
StyledTextOutput output = getServices().get(StyledTextOutputFactory.class).create(Help.class);
BuildClientMetaData metaData = getServices().get(BuildClientMetaData.class);
output.println();
output.formatln("Welcome to Gradle %s.", new GradleVersion().getVersion());
output.println();
output.text("To run a build, run ");
metaData.describeCommand(output.withStyle(UserInput), "<task> ...");
output.println();
output.println();
output.text("To see a list of available tasks, run ");
metaData.describeCommand(output.withStyle(UserInput), "tasks");
output.println();
output.println();
output.text("To see a list of command-line options, run ");
metaData.describeCommand(output.withStyle(UserInput), "-?");
output.println();
}
}