/**
 * This class wraps certain {@code git} operations. This is partly for convenience, and partly so that these
 * operations can be easily mocked in testing.
 */
public class GitWrapper {

    private final ExecOperations execOperations;

    public GitWrapper(ExecOperations execOperations) {
        this.execOperations = execOperations;
    }

    /**
     * @return a mapping from remote names to remote URLs.
     */

    private FileCollection changelogs;
    private final GitWrapper gitWrapper;
    private final Path rootDir;

    private boolean dryRun;

    @Inject
    public PruneChangelogsTask(Project project, ObjectFactory objectFactory, ExecOperations execOperations) {
        changelogs = objectFactory.fileCollection();
        gitWrapper = new GitWrapper(execOperations);
        rootDir = project.getRootDir().toPath();
    }

     * @param gitWrapper used to call `git`
     */
    private static void findAndUpdateUpstreamRemote(GitWrapper gitWrapper) {
        LOGGER.info("Finding upstream git remote");
        // We need to ensure the tags are up-to-date. Find the correct remote to use
        String upstream = gitWrapper.listRemotes()
            .entrySet()
            .stream()