diff options
Diffstat (limited to 'launcher/FileSystem.cpp')
| -rw-r--r-- | launcher/FileSystem.cpp | 87 |
1 files changed, 84 insertions, 3 deletions
diff --git a/launcher/FileSystem.cpp b/launcher/FileSystem.cpp index aee5245d..ec4af98c 100644 --- a/launcher/FileSystem.cpp +++ b/launcher/FileSystem.cpp @@ -152,9 +152,11 @@ bool ensureFolderPathExists(QString foldernamepath) return success; } -/// @brief Copies a directory and it's contents from src to dest -/// @param offset subdirectory form src to copy to dest -/// @return if there was an error during the filecopy +/** + * @brief Copies a directory and it's contents from src to dest + * @param offset subdirectory form src to copy to dest + * @return if there was an error during the filecopy + */ bool copy::operator()(const QString& offset, bool dryRun) { using copy_opts = fs::copy_options; @@ -215,6 +217,85 @@ bool copy::operator()(const QString& offset, bool dryRun) return err.value() == 0; } + +/** + * @brief links a directory and it's contents from src to dest + * @param offset subdirectory form src to link to dest + * @return if there was an error during the attempt to link + */ +bool create_link::operator()(const QString& offset, bool dryRun) +{ + m_linked = 0; // reset counter + + auto src = PathCombine(m_src.absolutePath(), offset); + auto dst = PathCombine(m_dst.absolutePath(), offset); + + std::error_code err; + + // you can't hard link a directory so make sure if we deal with a directory we do so recursively + if (m_useHardLinks) + m_recursive = true; + + // Function that'll do the actual linking + auto link_file = [&](QString src_path, QString relative_dst_path) { + if (m_matcher && (m_matcher->matches(relative_dst_path) != m_whitelist)) + return; + + auto dst_path = PathCombine(dst, relative_dst_path); + if (!dryRun) { + + ensureFilePathExists(dst_path); + if (m_useHardLinks) { + if (m_debug) + qDebug() << "making hard link:" << src_path << "to" << dst_path; + fs::create_hard_link(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), err); + } else if (fs::is_directory(StringUtils::toStdString(src_path))) { + if (m_debug) + qDebug() << "making directory_symlink:" << src_path << "to" << dst_path; + fs::create_directory_symlink(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), err); + } else { + if (m_debug) + qDebug() << "making symlink:" << src_path << "to" << dst_path; + fs::create_symlink(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), err); + } + + } + if (err) { + qWarning() << "Failed to link files:" << QString::fromStdString(err.message()); + qDebug() << "Source file:" << src_path; + qDebug() << "Destination file:" << dst_path; + qDebug() << "Error catagory:" << err.category().name(); + qDebug() << "Error code:" << err.value(); + m_last_os_err = err.value(); + emit linkFailed(src_path, dst_path, err); + } else { + m_linked++; + emit fileLinked(relative_dst_path); + } + + }; + + if ((!m_recursive) || !fs::is_directory(StringUtils::toStdString(src))) { + if (m_debug) + qDebug() << "linking single file or dir:" << src << "to" << dst; + link_file(src, ""); + } else { + if (m_debug) + qDebug() << "linking recursivly:" << src << "to" << dst; + QDir src_dir(src); + QDirIterator source_it(src, QDir::Filter::Files | QDir::Filter::Hidden, QDirIterator::Subdirectories); + + while (source_it.hasNext()) { + auto src_path = source_it.next(); + auto relative_path = src_dir.relativeFilePath(src_path); + + link_file(src_path, relative_path); + } + } + + return err.value() == 0; +} + bool move(const QString& source, const QString& dest) { std::error_code err; |