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Add support for symlinks and correct file permissions in qt launcher

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This commit is contained in:
Ryan Huffman 2019-09-17 11:07:57 -07:00
parent da807e9b29
commit e03e21c0b4
1 changed files with 29 additions and 1 deletions
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30
launchers/qt/src/Unzipper.cpp
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@ -4,6 +4,11 @@
#include <QDebug>
#include <miniz/miniz.h>
#ifdef Q_OS_MACOS
#include <unistd.h>
#include <sys/stat.h>
#endif
Unzipper::Unzipper(const QString& zipFilePath, const QDir& outputDirectory) :
_zipFilePath(zipFilePath), _outputDirectory(outputDirectory) {
}
@ -56,7 +61,27 @@ void Unzipper::run() {
}
continue;
}
if (mz_zip_reader_extract_to_file(&zip_archive, i, fullFilename.toUtf8().data(), 0)) {
constexpr uint16_t FILE_PERMISSIONS_MASK { 0777 };
uint16_t mod_attr = (file_stat.m_external_attr >> 16) & FILE_PERMISSIONS_MASK;
uint16_t filetype_attr = (file_stat.m_external_attr >> 16) & S_IFMT;
bool is_symlink = filetype_attr == S_IFLNK;
if (is_symlink) {
#ifdef Q_OS_MACOS
size_t size;
auto data = mz_zip_reader_extract_to_heap(&zip_archive, i, &size, 0);
auto target = QString::fromUtf8((char*)data, size);
qDebug() << "Extracted symlink: " << size << target;
symlink(target.toUtf8().data(), fullFilename.toUtf8().data());
#else
emit finished(true, "Error unzipping symlink");
return;
#endif
} else if (mz_zip_reader_extract_to_file(&zip_archive, i, fullFilename.toUtf8().data(), 0)) {
totalCompressedSize += (uint64_t)file_stat.m_comp_size;
totalSize += (uint64_t)file_stat.m_uncomp_size;
emit progress((float)totalCompressedSize / (float)zip_archive.m_archive_size);
@ -64,6 +89,9 @@ void Unzipper::run() {
emit finished(true, "Unzipping error unzipping file: " + fullFilename);
return;
}
#ifdef Q_OS_MACOS
chmod(fullFilename.toUtf8().data(), mod_attr);
#endif
}
qDebug() << "Done unzipping archive, total size:" << totalSize;