git工具类

import org.eclipse.jgit.transport.JschConfigSessionFactory;
import org.eclipse.jgit.transport.OpenSshConfig;
import org.eclipse.jgit.transport.OpenSshConfig.Host;
import org.eclipse.jgit.util.FS;

import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
public class PlatSShSessionFactory extends JschConfigSessionFactory {

    @Override
    protected JSch getJSch(final OpenSshConfig.Host hc, FS fs) throws JSchException {
        JSch jsch = new JSch();
        jsch.removeAllIdentity();
        jsch.addIdentity(ConfigInfoUtil.getInstance().getGitIdentity());
        jsch.setKnownHosts(ConfigInfoUtil.getInstance().getKnownHosts());
        return jsch;
    }

    @Override
    protected void configure(Host hc, Session session) {
    }
}

import com.excloud.platform.util.ConfigInfoUtil;
import com.excloud.platform.util.PlatSShSessionFactory;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.jgit.api.AddCommand;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.CommitCommand;
import org.eclipse.jgit.api.FetchCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.PullCommand;
import org.eclipse.jgit.api.PushCommand;
import org.eclipse.jgit.api.Status;
import org.eclipse.jgit.api.StatusCommand;
import org.eclipse.jgit.api.TransportConfigCallback;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.transport.SshTransport;
import org.eclipse.jgit.transport.Transport;
import org.springframework.util.CollectionUtils;
import java.io.File;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
@Slf4j
public class JGitUtil {

    private static volatile JGitUtil instance;

    private JGitUtil(){

    }

    public static JGitUtil getInstance(){
        if (null == instance){
            synchronized (JGitUtil.class){
                if (null == instance){
                    instance = new JGitUtil();
                    instance.init();
                }
            }
        }
        return instance;
    }

    private static String gitConfig;

    private void init(){
        gitConfig = ConfigInfoUtil.getInstance().getGitConfig();
        gitClone();
    }

    private static boolean gitCloneSuccess = false;

    private void gitClone(){
        try{
            gitCloneSuccess = false;
            if (ConfigInfoUtil.getInstance().isGitInit() == false) {
                gitCloneSuccess = true;
                return;
            }
            Thread.sleep(60 * 1000L);
            File rootDir = new File(ConfigInfoUtil.getInstance().getGitConfigRootDir());
            if (rootDir.exists()) {
                FileUtils.deleteDirectory(rootDir);
            }
            rootDir = new File(ConfigInfoUtil.getInstance().getGitConfigRootDir());
            if (!rootDir.exists()) {
                CloneCommand cloneCommand = Git.cloneRepository();
                cloneCommand.setURI(ConfigInfoUtil.getInstance().getGitRemoteUrl());
                cloneCommand.setBranch(ConfigInfoUtil.getInstance().getGitBranch());
                cloneCommand.setTransportConfigCallback(new TransportConfigCallback() {
                    @Override
                    public void configure(Transport transport) {
                        SshTransport sshTransport = (SshTransport) transport;
                        sshTransport.setSshSessionFactory(new PlatSShSessionFactory());
                    }
                });
                cloneCommand.setDirectory(rootDir).call();
                // log.info("gitClone pull");
                // git.pull().call();
                // log.info("gitClone pull down");
                gitCloneSuccess = true;
                log.info("gitClone down");
            }
        } catch (Exception ex){
            log.error("", ex);
        }
    }

    public Git getGit() throws Exception {
        while (true) {
            if (gitCloneSuccess) {
                if (StringUtils.isBlank(gitConfig)) {
                    gitConfig = "/home/pplive/webcdn_sn/.git";
                }
                Git git = Git.open(new File(gitConfig));
                return git;
            }
            log.info("wait gitClone");
            Thread.sleep(2000);
        }
    }

    private static int pullCount = 0;

    private AtomicBoolean pullable = new AtomicBoolean(true);

    public void pull(Git git) throws Exception {
        if (pullable.get()) {
            pullable.set(false);
            pullDetail(git);
        }
    }

    public void pullDetail(Git git) throws Exception {
        try {
            PullCommand pull = git.pull().setTimeout(500);
            pull.setTransportConfigCallback(new TransportConfigCallback() {
                @Override
                public void configure(Transport transport) {
                    SshTransport sshTransport = (SshTransport) transport;
                    sshTransport.setSshSessionFactory(new PlatSShSessionFactory());
                }
            }).call();
        } catch (Exception e) {
            log.error("", e);
            if (pullCount < 5) {
                pullCount++;
                Thread.sleep(2000L);
                // faultTolerant(git);
                pull(git);
            } else {
                gitClone();
            }
            throw e;
        } finally {
            pullable.set(true);
        }
        pullCount = 0;
    }

    public void faultTolerant(Git git) throws Exception {
        FetchCommand fetchCommand = git.fetch();
        fetchCommand.setTransportConfigCallback(new TransportConfigCallback() {
            @Override
            public void configure(Transport transport) {
                SshTransport sshTransport = (SshTransport)transport;
                sshTransport.setSshSessionFactory(new PlatSShSessionFactory());
            }
        }).call();
        git.reset().call();
    }

    private static int pushCount = 0;

    private AtomicBoolean pushable = new AtomicBoolean(true);

    public String batchPush(Git git, List filePatternLst, String message) throws Exception {
        try{
            if (CollectionUtils.isEmpty(filePatternLst)) {
                return null;
            }
            if (pushable.get()) {
                pushable.set(false);
                String commitId = null;
                for (int i = 0; i < 5; i++) {
                    commitId = batchPushDetail(git, filePatternLst, message);
                    if (StringUtils.isNotBlank(commitId)) {
                        break;
                    }
                }
                return commitId;
            } else {
                log.info("wait batchPush");
                Thread.sleep(1000L);
                return batchPush(git, filePatternLst, message);
            }
        } catch (Exception ex){
            log.error("", ex);
            throw ex;
        }
    }

    private String batchPushDetail(Git git, List filePatternLst, String message) throws Exception {
        try {
            AddCommand addCommand = git.add();
            for (String filePattern : filePatternLst) {
                addCommand.addFilepattern(filePattern);
            }
            addCommand.call();
            CommitCommand commit = git.commit();
            commit.setAll(true);
            RevCommit revCommit = commit.setMessage(message).call();
            String commitId = revCommit.getId().name();
            PushCommand push = git.push();
            push.setTransportConfigCallback(new TransportConfigCallback() {
                @Override
                public void configure(Transport transport) {
                    SshTransport sshTransport = (SshTransport) transport;
                    sshTransport.setSshSessionFactory(new PlatSShSessionFactory());
                }
            }).setTimeout(600).call();
            pushCount = 0;
            return commitId;
        } catch (Exception e) {
            log.error("", e);
            if (pushCount < 5) {
                pushCount++;
                Thread.sleep(2000L);
                return batchPushDetail(git, filePatternLst, message);
            }
            throw e;
        } finally {
            pushable.set(true);
        }
    }

    public void clean(Git git) throws Exception {
        File rootFile = new File(ConfigInfoUtil.getInstance().getGitConfigRootDir());
        if (rootFile.exists()) {
            StatusCommand statusCommand = git.status();
            File[] files = rootFile.listFiles();
            for (File file : files) {
                if (!file.getName().equals(".git")) {
                    statusCommand.addPath(file.getName());
                }
            }
            statusCommand.call().isClean();
        }
    }

    public boolean isClean(Git git, String filePattern) throws Exception {
        try {
            Status status = git.status().addPath(filePattern).call();
            return status.isClean();
        } catch (Exception e) {
            log.error("", e);
            throw e;
        }
    }
}