ru.concerteza.util.buildnumber.JGitBuildNumberAntTask Maven / Gradle / Ivy

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Ant task, extracts buildnumbers from project's Git repository without Git command line tool

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package ru.concerteza.util.buildnumber;

import org.apache.tools.ant.Project;

import java.io.File;
import java.io.IOException;

/**
 * Ant task, extracts buildnumber fields from git repository and publishes them as ant properties
 *
 * @author alexey
 * Date: 11/16/11
 * @see BuildNumber
 * @see BuildNumberExtractor
 */
public class JGitBuildNumberAntTask {
    private Project project;

    /**
     * @param project ant project setter
     */
    public void setProject(Project project) {
        this.project = project;
    }

    /**
     * Reads {@code git.repositoryDirectory} property that should contain '.git' directory
     * or be a subdirectory of such directory. If property wasn't set current work directory is used instead.
     * Extracted properties names:
     * 
     *     {@code git.revision}
     *     {@code git.shortRevision}
     *     {@code git.branch}
     *     {@code git.tag}
     *     {@code git.commitsCount}
     *     {@code git.buildnumber}
     * 
     *
     * @throws IOException
     */
    public void execute() throws IOException {
        String repoDirString = project.getProperty("git.repositoryDirectory");
        File repoDir = null != repoDirString ? new File(repoDirString) :  new File(".");
        BuildNumber bn = BuildNumberExtractor.extract(repoDir);
        project.setProperty("git.revision", bn.getRevision());
        project.setProperty("git.shortRevision", bn.getShortRevision());
        project.setProperty("git.branch", bn.getBranch());
        project.setProperty("git.tag", bn.getTag());
        project.setProperty("git.commitsCount", bn.getCommitsCountAsString());
        project.setProperty("git.buildnumber", bn.defaultBuildnumber());
    }
}