com.amashchenko.maven.plugin.gitflow.GitFlowSupportStartMojo Maven / Gradle / Ivy

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The Git-Flow Maven Plugin supports various Git workflows, including Vincent Driessen's successful Git branching model and GitHub Flow. This plugin runs Git and Maven commands from the command line. Supports Eclipse Plugins build with Tycho.

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/*
 * Copyright 2014-2018 Aleksandr Mashchenko.
 *
 * 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 com.amashchenko.maven.plugin.gitflow;

import java.util.Arrays;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.codehaus.plexus.components.interactivity.PrompterException;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.cli.CommandLineException;

/**
 * The git flow support start mojo.
 * 
 * @since 1.5.0
 */
@Mojo(name = "support-start", aggregator = true)
public class GitFlowSupportStartMojo extends AbstractGitFlowMojo {

    /**
     * Whether to push to the remote.
     * 
     * @since 1.6.0
     */
    @Parameter(property = "pushRemote", defaultValue = "true")
    private boolean pushRemote;

    /**
     * Tag name to use in non-interactive mode.
     *
     * @since 1.9.0
     */
    @Parameter(property = "tagName")
    private String tagName;

    /** {@inheritDoc} */
    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        validateConfiguration();

        try {
            // set git flow configuration
            initGitFlowConfig();

            // check uncommitted changes
            checkUncommittedChanges();

            String tag = null;
            if (settings.isInteractiveMode()) {
                // get tags
                String tagsStr = gitFindTags();

                if (StringUtils.isBlank(tagsStr)) {
                    throw new MojoFailureException("There are no tags.");
                }

                try {
                    tag = prompter.prompt("Choose tag to start support branch",
                            Arrays.asList(tagsStr.split("\\r?\\n")));
                } catch (PrompterException e) {
                    throw new MojoFailureException("support-start", e);
                }
            } else if (StringUtils.isNotBlank(tagName)) {
                if (gitCheckTagExists(tagName)) {
                    tag = tagName;
                } else {
                    throw new MojoFailureException("The tag '" + tagName + "' doesn't exist.");
                }
            } else {
                getLog().info("The tagName is blank. Using the last tag.");
                tag = gitFindLastTag();
            }

            if (StringUtils.isBlank(tag)) {
                throw new MojoFailureException("Tag is blank.");
            }

            // git for-each-ref refs/heads/support/...
            final boolean supportBranchExists = gitCheckBranchExists(gitFlowConfig
                    .getSupportBranchPrefix() + tag);

            if (supportBranchExists) {
                throw new MojoFailureException(
                        "Support branch with that name already exists.");
            }

            // git checkout -b ... tag
            gitCreateAndCheckout(gitFlowConfig.getSupportBranchPrefix() + tag, tag);

            if (installProject) {
                // mvn clean install
                mvnCleanInstall();
            }

            if (pushRemote) {
                gitPush(gitFlowConfig.getSupportBranchPrefix() + tag, false);
            }
        } catch (CommandLineException e) {
            throw new MojoFailureException("support-start", e);
        }
    }
}