Method getSyncStatusOfBranch

plugins/vcs/Repository.cpp:204–253

}

RefSyncStatus Repository::getSyncStatusOfBranch(const Reference& reference)
{
    RefSyncStatus status;

    auto trackedBranch = reference.getUpstream();

    if (!trackedBranch) throw GitException(_("The current branch doesn't track a remote, cannot check sync status"));

    git_revwalk* walker = nullptr;
    git_revwalk_new(&walker, _repository);

    // Start from remote
    git_revwalk_push_ref(walker, trackedBranch->getName().c_str());

    // End at local
    git_oid refOid;
    git_reference_name_to_id(&refOid, _repository, reference.getName().c_str());
    git_revwalk_hide(walker, &refOid);

    git_oid id;
    while (!git_revwalk_next(&id, walker))
    {
        //rMessage() << Reference::OidToString(&id) << " => ";
        ++status.remoteCommitsAhead;
    }
    //rMessage() << std::endl;

    git_revwalk_free(walker);

    // Another walk from local to remote
    git_revwalk_new(&walker, _repository);

    git_revwalk_push(walker, &refOid);
    git_revwalk_hide_ref(walker, trackedBranch->getName().c_str());

    while (!git_revwalk_next(&id, walker))
    {
        //rMessage() << Reference::OidToString(&id) << " => ";
        ++status.localCommitsAhead;
    }
    //rMessage() << std::endl;

    git_revwalk_free(walker);

    // Initialise the convenience flags
    status.localIsUpToDate = status.localCommitsAhead == 0 && status.remoteCommitsAhead == 0;
    status.localCanBePushed = status.localCommitsAhead > 0 && status.remoteCommitsAhead == 0;

    return status;
}

bool Repository::isUpToDateWithRemote()
{