io.macgyver.plugin.github.GitHubUtil.java Source code

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Here is the source code for io.macgyver.plugin.github.GitHubUtil.java

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/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.macgyver.plugin.github;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.kohsuke.github.GHRepository;

import com.google.common.base.Preconditions;

public class GitHubUtil {

    /**
     * github-api does not provide a way to set the default branch until 1.69.  
     * GHRepository.edit() can do it, but is private.  This is a simple workaround
     * that uses reflection to work around the private limitation.
     * 
     * @param repo
     * @param branchName
     * @throws IOException
     */
    public static void setDefaultBranch(GHRepository repo, String branchName) throws IOException {
        Preconditions.checkNotNull(repo);
        Preconditions.checkNotNull(branchName);

        try {
            Method editMethod = repo.getClass().getDeclaredMethod("edit", String.class, String.class);
            editMethod.setAccessible(true);

            editMethod.invoke(repo, "default_branch", branchName);
        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
            throw new IOException(e);
        }

    }
}