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[stable-3.9] Bugfix/infinite sync #6058

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merged 3 commits into from
Sep 14, 2023
Merged

[stable-3.9] Bugfix/infinite sync #6058

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9620ff3
Do not attempt to convert .lnk files to placeholder. Also do not modi…
allexzander Sep 14, 2023
712d27f
Remove unused function 'revertPlaceholder'.
allexzander Sep 14, 2023
4977249
Tests for placeholder file metadata update.
allexzander Sep 14, 2023
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2 changes: 1 addition & 1 deletion src/libsync/discovery.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
/*

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Run clang-format on src/libsync/discovery.cpp 

File src/libsync/discovery.cpp (lines 1077): Code does not conform to Custom style guidelines.
* Copyright (C) by Olivier Goffart <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
Expand Down Expand Up @@ -1074,7 +1074,7 @@
item->_type = ItemTypeVirtualFileDehydration;
} else if (!serverModified
&& (dbEntry._inode != localEntry.inode
|| localEntry.isMetadataMissing
|| (localEntry.isMetadataMissing && item->_type == ItemTypeFile && !FileSystem::isLnkFile(item->_file))
|| _discoveryData->_syncOptions._vfs->needsMetadataUpdate(*item))) {
item->_instruction = CSYNC_INSTRUCTION_UPDATE_METADATA;
item->_direction = SyncFileItem::Down;
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11 changes: 0 additions & 11 deletions src/libsync/vfs/cfapi/cfapiwrapper.cpp
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@@ -1,4 +1,4 @@
/*

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GitHub Actions / build

Run clang-format on src/libsync/vfs/cfapi/cfapiwrapper.cpp 

File src/libsync/vfs/cfapi/cfapiwrapper.cpp (lines 17, 23, 31, 40, 41, 42, 43, 45, 51, 52, 54, 55, 69, 84, 87, 119, 164, 230, 253, 259, 260, 261, 262, 338, 400, 418, 429, 430, 446, 447, 448, 449, 450, 451, 452, 456, 487, 500, 595, 623, 624, 625, 626, 627, 657, 663, 666, 698, 699, 738, 745, 751, 752, 758, 761, 776, 777, 778, 781, 782, 787, 793, 839, 846, 850): Code does not conform to Custom style guidelines.
* Copyright (C) by Kevin Ottens <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
Expand Down Expand Up @@ -862,14 +862,3 @@
return stateResult;
}
}

OCC::Result<OCC::Vfs::ConvertToPlaceholderResult, QString> OCC::CfApiWrapper::revertPlaceholder(const QString &path)
{
const auto result = CfRevertPlaceholder(handleForPath(path).get(), CF_REVERT_FLAG_NONE, nullptr);
if (result != S_OK) {
qCWarning(lcCfApiWrapper) << "Couldn't revert placeholder for" << path << ":" << QString::fromWCharArray(_com_error(result).ErrorMessage());
return {"Couldn't revert placeholder"};
}

return OCC::Vfs::ConvertToPlaceholderResult::Ok;
}
1 change: 0 additions & 1 deletion src/libsync/vfs/cfapi/cfapiwrapper.h
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/*

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File src/libsync/vfs/cfapi/cfapiwrapper.h (lines 25, 36, 39, 50, 51, 54, 65, 66, 67, 75, 89, 90, 91, 92, 97, 98, 99): Code does not conform to Custom style guidelines.
* Copyright (C) by Kevin Ottens <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
Expand Down Expand Up @@ -97,7 +97,6 @@
NEXTCLOUD_CFAPI_EXPORT Result<OCC::Vfs::ConvertToPlaceholderResult, QString> updatePlaceholderInfo(const QString &path, time_t modtime, qint64 size, const QByteArray &fileId, const QString &replacesPath = QString());
NEXTCLOUD_CFAPI_EXPORT Result<OCC::Vfs::ConvertToPlaceholderResult, QString> convertToPlaceholder(const QString &path, time_t modtime, qint64 size, const QByteArray &fileId, const QString &replacesPath);
NEXTCLOUD_CFAPI_EXPORT Result<OCC::Vfs::ConvertToPlaceholderResult, QString> dehydratePlaceholder(const QString &path, time_t modtime, qint64 size, const QByteArray &fileId);
NEXTCLOUD_CFAPI_EXPORT Result<OCC::Vfs::ConvertToPlaceholderResult, QString> revertPlaceholder(const QString &path);

}

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30 changes: 30 additions & 0 deletions test/testsynccfapi.cpp
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Expand Up @@ -1354,6 +1354,36 @@ private slots:
const auto localFileLocked = QFileInfo{fakeFolder.localPath() + u"A/a1"};
QVERIFY(!localFileLocked.isWritable());
}

void testLinkFileDoesNotConvertToPlaceholder()
{
// inspired by GH issue #6041
FakeFolder fakeFolder{FileInfo{}};
auto vfs = setupVfs(fakeFolder);

// Create a Windows shotcut (.lnk) file
fakeFolder.remoteModifier().insert("linkfile.lnk");

QVERIFY(fakeFolder.syncOnce());
ItemCompletedSpy completeSpy(fakeFolder);
QVERIFY(fakeFolder.syncOnce());
QVERIFY(!vfs->pinState("linkfile.lnk").isValid() || vfs->pinState("linkfile.lnk").get() == PinState::Excluded);
QVERIFY(itemInstruction(completeSpy, "linkfile.lnk", CSYNC_INSTRUCTION_NONE));
}

void testFolderDoesNotUpdatePlaceholderMetadata()
{
FakeFolder fakeFolder{FileInfo{}};
auto vfs = setupVfs(fakeFolder);

fakeFolder.remoteModifier().mkdir("A");
fakeFolder.remoteModifier().insert("A/file");

QVERIFY(fakeFolder.syncOnce());
ItemCompletedSpy completeSpy(fakeFolder);
QVERIFY(fakeFolder.syncOnce());
QVERIFY(itemInstruction(completeSpy, "A", CSYNC_INSTRUCTION_NONE));
}
};

QTEST_GUILESS_MAIN(TestSyncCfApi)
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