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Utils: Make FileUtils::copyIfDifferent work also with remote paths

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Also really check contents if file dates are equal.

Change-Id: I39fca67b3616e931f1ed11d002fccaa232a0d74d
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
hjk
2021-06-09 15:40:06 +02:00
parent a5b16f8137
commit 31dd9c87f8
1 changed files with 15 additions and 10 deletions
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25
src/libs/utils/fileutils.cpp
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@@ -168,25 +168,30 @@ bool FileUtils::copyRecursively(const FilePath &srcFilePath, const FilePath &tgt
/*!
Copies a file specified by \a srcFilePath to \a tgtFilePath only if \a srcFilePath is different
(file size and last modification time).
(file contents and last modification time).
Returns whether the operation succeeded.
*/
bool FileUtils::copyIfDifferent(const FilePath &srcFilePath, const FilePath &tgtFilePath)
{
if (QFile::exists(tgtFilePath.toString())) {
const QFileInfo srcFileInfo = srcFilePath.toFileInfo();
const QFileInfo tgtFileInfo = tgtFilePath.toFileInfo();
if (srcFileInfo.lastModified() == tgtFileInfo.lastModified() &&
srcFileInfo.size() == tgtFileInfo.size()) {
return true;
} else {
QFile::remove(tgtFilePath.toString());
QTC_ASSERT(srcFilePath.exists(), return false);
QTC_ASSERT(srcFilePath.scheme() == tgtFilePath.scheme(), return false);
QTC_ASSERT(srcFilePath.host() == tgtFilePath.host(), return false);
if (tgtFilePath.exists()) {
const QDateTime srcModified = srcFilePath.lastModified();
const QDateTime tgtModified = tgtFilePath.lastModified();
if (srcModified == tgtModified) {
const QByteArray srcContents = srcFilePath.fileContents();
const QByteArray tgtContents = srcFilePath.fileContents();
if (srcContents == tgtContents)
return true;
}
tgtFilePath.removeFile();
}
return QFile::copy(srcFilePath.toString(), tgtFilePath.toString());
return srcFilePath.copyFile(tgtFilePath);
}
/*!