gitrunner.GitRunner.java Source code

Introduction

Here is the source code for gitrunner.GitRunner.java

Source

/*
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package gitrunner;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.Status;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.errors.NoWorkTreeException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;

/**
 *
 * @author Sanket K<hckrtst@gmail.com>
 */
public class GitRunner {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        try {

            // Run git status for fun using Process
            Process p = Runtime.getRuntime().exec("git status");

            BufferedReader reader;
            BufferedReader error_reader;

            reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
            error_reader = new BufferedReader(new InputStreamReader(p.getErrorStream()));

            String cmd_output = null;

            while ((cmd_output = reader.readLine()) != null) {

                System.out.println(cmd_output);
            }

            while ((cmd_output = error_reader.readLine()) != null) {
                System.out.println("Error: " + cmd_output);
            }

            // Now use Jgit to get "git status"

            System.out.println("\n\n ===== Using Jgit =====");
            FileRepositoryBuilder builder = new FileRepositoryBuilder();

            Repository repo = builder.readEnvironment().findGitDir().build();

            if (repo == null) {
                System.err.println("No repo");
            } else {
                System.out.println("Got repo");
            }

            Git git = new Git(repo);

            Status status = null;
            try {
                status = git.status().call();
            } catch (GitAPIException ex) {
                Logger.getLogger(GitRunner.class.getName()).log(Level.SEVERE, null, ex);
                System.exit(-1);
            } catch (NoWorkTreeException ex) {
                Logger.getLogger(GitRunner.class.getName()).log(Level.SEVERE, null, ex);
                System.exit(-1);
            }

            Set<String> result = new HashSet<>();

            System.out.println("Untracked = " + status.getUntracked());
            result.addAll(status.getModified());
            result.addAll(status.getAdded());
            result.addAll(status.getUntracked());
            System.out.println(result.toString());

        } catch (IOException ex) {
            Logger.getLogger(GitRunner.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

}