com.codacy.scoobydoo.GitWrapper Maven / Gradle / Ivy

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package com.codacy.scoobydoo;

import org.apache.commons.io.FileUtils;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.ListBranchCommand;
import org.eclipse.jgit.api.PushCommand;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.transport.RefSpec;
import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;

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

// TODO: create GitWrapperTests.

public class GitWrapper {

    private org.eclipse.jgit.api.Git git;
    private final String localPath;

    public GitWrapper(String localPath, String remotePath) throws GitAPIException, IOException {
        this.localPath = localPath;
        File tempGitDirectory = new File(localPath);

        CloneCommand git = org.eclipse.jgit.api.Git.cloneRepository()
            .setURI(remotePath)
            .setDirectory(new File(localPath));
        if (tempGitDirectory.exists()) {
            FileUtils.deleteDirectory(tempGitDirectory);
        }
        this.git = git.call();
    }

    public String getLatestCommitHash() throws GitAPIException {
        RevCommit latestCommit = git
                .log()
                .setMaxCount(1)
                .call()
                .iterator()
                .next();

        return latestCommit.getName();
    }

    public GitWrapper gitCreateBranch(String branchName, String username, String pwd) throws GitAPIException {
        if (git
            .branchList()
            .setListMode(ListBranchCommand.ListMode.ALL)
            .call()
            .stream()
            .map(Ref::getName)
            .toList()
            .contains("refs/remotes/origin/" + branchName
        )){
            LoggingHelper.warn("Branch already exists. Deleting branch [" + branchName + "].");
            try {
                gitDeleteBranchWithForce(branchName, username, pwd, true);
            } catch (Exception e) {
                LoggingHelper.error("Error deleting branch.", e);
                throw e;
            }
        }
        LoggingHelper.info("Creating branch [" + branchName + "].");
        git.branchCreate()
            .setName(branchName)
            .call();

        return this;
    }

    public GitWrapper gitCheckout(String branchName) throws GitAPIException {
        LoggingHelper.info("Checking out to branch [" + branchName + "].");
        git.checkout()
            .setName(branchName)
            .call();
        return this;
    }

    public void gitAddFile(String fileName) throws GitAPIException {
        LoggingHelper.info("Adding file [" + fileName + "].");
        git.add()
            .addFilepattern(fileName)
            .call();
    }

    public void gitCommit(String message) throws GitAPIException {
        LoggingHelper.info("Committing.");
        git.commit()
            .setMessage(message)
            .call();
    }

    public void gitPush(String username, String password) throws GitAPIException {
        gitPush(username, password, false);
    }

    public void gitPushForce(String username, String password) throws GitAPIException {
        LoggingHelper.info("You are pushing with force, I hope you know what you're doing.");
        gitPush(username, password, true);
    }

    private void gitPush(String username, String password, Boolean withForce) throws GitAPIException {
        LoggingHelper.info("Pushing.");
        PushCommand pushCommand = git.push();
        pushCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider(username, password));
        pushCommand.setForce(withForce);
        pushCommand.call();
    }

    public GitWrapper gitDeleteBranchWithForce(String branchName, String username, String password, Boolean withForce) throws GitAPIException {
        //delete Local
        LoggingHelper.info("Deleting branch [" + branchName + "].");
        git.branchDelete()
            .setBranchNames("refs/heads/" + branchName)
            .setForce(withForce)
            .call();
        //delete remote
        RefSpec refSpec = new RefSpec()
            .setSource(null)
            .setDestination("refs/heads/" + branchName);
        PushCommand pushCommand = git.push();
        pushCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider(username, password));
        pushCommand.setRefSpecs(refSpec).setRemote("origin").call();

        return this;
    }

    public void gitDeleteBranch(String branchName, String username, String password) throws GitAPIException {
        gitDeleteBranchWithForce(branchName, username, password, false);
    }

    public Git gitClient() {
        if (git == null) {
            final String errorMessage = "Git client is not defined.";
            NullPointerException exception = new NullPointerException(errorMessage);
            LoggingHelper.error(errorMessage, exception);
            throw exception;
        }
        return git;
    }

    public void destroyAndClean() {
        this.git = null;
        try {
            FileUtils.deleteDirectory(new File(localPath));
        } catch(Exception e) {
            LoggingHelper.warn("Couldn't delete directory [" + localPath + "], but this will be ignored and the test will continue. Exception was: " + e);
        }
    }
}