Committing multiple files with github-api (PR #361 - https://github.com/kohsuke/github-api/pull/361)

MultiCommit.java

import org.apache.commons.io.IOUtils;
import org.kohsuke.github.*;

import java.net.URL;

public class MultiCommit {
    public static void main(String[] args) throws Exception {
        String userId = "your-user-id";
        String password = "your-password";
        String repoName = "your-repo-name";

        GitHub gitHub = GitHub.connectUsingPassword(userId, password);
        GHRepository repo = gitHub.getRepository(repoName);

        // get the reference to the master branch
        GHRef masterRef = repo.getRef("heads/master");

        // get the SHA of the latest commit on the master branch
        String masterTreeSha = repo
                .getTreeRecursive("master", 1)
                .getSha();

        // get an image as byte[]
        byte[] avatarContent = IOUtils.toByteArray(
                new URL("https://avatars1.githubusercontent.com/u/50003").openStream());

        // create a blob containing the image and get its SHA
        String avatarSha = new GHBlobBuilder(repo)
                .binaryContent(avatarContent)
                .create()
                .getSha();

        // create a tree with four entries (three text files and the previously created blob) and get its SHA
        String treeSha = new GHTreeBuilder(repo)
                .baseTree(masterTreeSha)
                .textEntry("README", "This is public domain software.", false)
                .textEntry("doc/userGuide.txt", "Press F1 for help.", false)
                .textEntry("bin/start.sh", "#/bin/sh\necho 'Hello!'", true) // executable
                .shaEntry("avatar.png", avatarSha, false)
                .create()
                .getSha();

        // create a commit for the new tree and get its SHA
        String commitSha = new GHCommitBuilder(repo)
                .message("add some important files")
                .tree(treeSha)
                .parent(masterRef.getObject().getSha())
                .create()
                .getSHA1();

        // Update the master reference to refer to the new commit
        masterRef.updateTo(commitSha);
    }
}