Method installCustomJar_internal

launcher/minecraft/PackProfile.cpp:882–941

}

bool PackProfile::installCustomJar_internal(QString filepath)
{
    QString patchDir = FS::PathCombine(d->m_instance->instanceRoot(), "patches");
    if(!FS::ensureFolderPathExists(patchDir))
    {
        return false;
    }

    QString libDir = d->m_instance->getLocalLibraryPath();
    if (!FS::ensureFolderPathExists(libDir))
    {
        return false;
    }

    auto specifier = GradleSpecifier("org.multimc:customjar:1");
    QFileInfo sourceInfo(filepath);
    QString target_filename = specifier.getFileName();
    QString target_id = specifier.artifactId();
    QString target_name = sourceInfo.completeBaseName() + " (custom jar)";
    QString finalPath = FS::PathCombine(libDir, target_filename);

    QFileInfo jarInfo(finalPath);
    if (jarInfo.exists())
    {
        if(!QFile::remove(finalPath))
        {
            return false;
        }
    }
    if (!QFile::copy(filepath, finalPath))
    {
        return false;
    }

    auto f = std::make_shared<VersionFile>();
    auto jarMod = std::make_shared<Library>();
    jarMod->setRawName(specifier);
    jarMod->setDisplayName(sourceInfo.completeBaseName());
    jarMod->setHint("local");
    f->mainJar = jarMod;
    f->name = target_name;
    f->uid = target_id;
    QString patchFileName = FS::PathCombine(patchDir, target_id + ".json");

    QFile file(patchFileName);
    if (!file.open(QFile::WriteOnly))
    {
        qCritical() << "Error opening" << file.fileName()
                    << "for reading:" << file.errorString();
        return false;
    }
    file.write(OneSixVersionFormat::versionFileToJson(f).toJson());
    file.close();

    appendComponent(new Component(this, f->uid, f));

    scheduleSave();
    invalidateLaunchProfile();