Page MenuHomePhabricator (Chris)
Files F632960

GitObjectManager.cpp
No OneTemporary
Actions

Authored By
Unknown
Size
2 KB
Referenced Files
None
Subscribers
None

GitObjectManager.cpp
View Options

#include "GitObjectManager.h"
#include "Git.h"
#include "GitPack.h"
#include <QBuffer>
#include <QDebug>
#include <QDirIterator>
#include <QFile>
#include "joinpath.h"
#include "misc.h"
GitObjectManager::GitObjectManager(const QString &workingdir)
: working_dir(workingdir)
{
}
bool GitObjectManager::loadObject_(QString const &id, QByteArray *out)
{
QString path;
Git::findObjectID(working_dir, id, &path);
if (!path.isEmpty()) {
QFile file(path);
if (file.open(QFile::ReadOnly)) {
if (GitPack::decompress(&file, true, GitPack::Type::UNKNOWN, 1000000000, out)) {
return true;
}
}
}
return false;
}
static bool load(QString const &path, GitPackIdxV2 const *idx, size_t i, QByteArray *out)
{
GitPackIdxV2::Item const *item = idx->item(i);
if (item) {
GitPack::Object obj;
if (GitPack::load(path, item, &obj)) {
if (obj.type == GitPack::Type::OFS_DELTA) {
if (i > 0) {
QByteArray ba;
if (load(path, idx, i - 1, &ba)) {
qDebug() << ba.size();
return true;
}
}
}
*out = std::move(obj.content);
return true;
}
}
return false;
}
bool GitObjectManager::extractObjectFromPackFile_(QString const &id, QByteArray *out)
{
struct Entry {
QString path;
size_t index;
};
GitPackIdxV2 idx;
std::vector<Entry> entries;
{
QString subdir = ".git/objects/pack";
QString path = working_dir / subdir;
QDirIterator it(path, { "pack-*.idx" }, QDir::Files | QDir::Readable);
while (it.hasNext()) {
it.next();
if (idx.parse(it.filePath())) {
size_t n = idx.count();
for (size_t i = 0; i < n; i++) {
GitPackIdxV2::Item const *item = idx.item(i);
if (item && item->id.startsWith(id)) {
Entry e;
QString packfilename = it.fileInfo().baseName() + ".pack";
e.path = working_dir / subdir / packfilename;
e.index = i;
entries.push_back(e);
}
}
}
}
}
if (entries.size() == 1) {
Entry const &e = entries.front();
GitPackIdxV2::Item const *item = idx.item(e.index);
// GitPack::Object obj;
if (id.startsWith("f98089")) {
qDebug() << "---";
}
if (load(e.path, &idx, e.index, out)) {
// *out = std::move(obj.content);
return true;
}
}
return false;
}
bool GitObjectManager::loadObjectFile(const QString &id, QByteArray *out)
{
if (loadObject_(id, out)) return true;
if (extractObjectFromPackFile_(id, out)) return true;
return false;
}

File Metadata

Mime Type
text/x-c
Expires
Sun, Nov 15, 3:44 PM (1 d, 6 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
133711
Default Alt Text
GitObjectManager.cpp (2 KB)

Event Timeline