From 26bcc0565f49c731a4f288f93f04056ca20136a5 Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Tue, 14 Jul 2015 09:29:58 +0200 Subject: QDir::removeRecursively(): Retry file deletion with write permission set. On Windows, having read-only files in a directory can cause removal to fail. When file deletion fails, check on the permissions, set write permissions and retry. Split apart code paths by OS in tst_QDir::removeRecursivelyFailure(); deletion of the read-only directory on UNIX should still fail. Change-Id: I36e54be5229a7b552e90fd5f42722b868fa0b6ee Reviewed-by: David Faure --- src/corelib/io/qdir.cpp | 16 ++++++++++++---- tests/auto/corelib/io/qdir/tst_qdir.cpp | 15 ++++++++------- .../auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp | 2 ++ 3 files changed, 22 insertions(+), 11 deletions(-) diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp index 6687ff846c..f6e132708e 100644 --- a/src/corelib/io/qdir.cpp +++ b/src/corelib/io/qdir.cpp @@ -1503,11 +1503,19 @@ bool QDir::removeRecursively() while (di.hasNext()) { di.next(); const QFileInfo& fi = di.fileInfo(); + const QString &filePath = di.filePath(); bool ok; - if (fi.isDir() && !fi.isSymLink()) - ok = QDir(di.filePath()).removeRecursively(); // recursive - else - ok = QFile::remove(di.filePath()); + if (fi.isDir() && !fi.isSymLink()) { + ok = QDir(filePath).removeRecursively(); // recursive + } else { + ok = QFile::remove(filePath); + if (!ok) { // Read-only files prevent directory deletion on Windows, retry with Write permission. + const QFile::Permissions permissions = QFile::permissions(filePath); + if (!(permissions & QFile::WriteUser)) + ok = QFile::setPermissions(filePath, permissions | QFile::WriteUser) + && QFile::remove(filePath); + } + } if (!ok) success = false; } diff --git a/tests/auto/corelib/io/qdir/tst_qdir.cpp b/tests/auto/corelib/io/qdir/tst_qdir.cpp index 45289df398..72d036c2ae 100644 --- a/tests/auto/corelib/io/qdir/tst_qdir.cpp +++ b/tests/auto/corelib/io/qdir/tst_qdir.cpp @@ -470,21 +470,22 @@ void tst_QDir::removeRecursivelyFailure() #ifdef Q_OS_UNIX QFile dirAsFile(path); // yay, I have to use QFile to change a dir's permissions... QVERIFY(dirAsFile.setPermissions(QFile::Permissions(0))); // no permissions -#else - QVERIFY(file.setPermissions(QFile::ReadOwner)); -#endif + QVERIFY(!QDir().rmdir(path)); QDir dir(path); QVERIFY(!dir.removeRecursively()); // didn't work QVERIFY(dir.exists()); // still exists -#ifdef Q_OS_UNIX QVERIFY(dirAsFile.setPermissions(QFile::Permissions(QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner))); -#else - QVERIFY(file.setPermissions(QFile::ReadOwner | QFile::WriteOwner)); -#endif QVERIFY(dir.removeRecursively()); QVERIFY(!dir.exists()); +#else // Q_OS_UNIX + QVERIFY(file.setPermissions(QFile::ReadOwner)); + QVERIFY(!QDir().rmdir(path)); + QDir dir(path); + QVERIFY(dir.removeRecursively()); + QVERIFY(!dir.exists()); +#endif // !Q_OS_UNIX } void tst_QDir::removeRecursivelySymlink() diff --git a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp index e144e32c77..3e98a369ce 100644 --- a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp +++ b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp @@ -215,6 +215,8 @@ void tst_QTemporaryDir::autoRemove() QFile file(dirName + "/dir1/file"); QVERIFY(file.open(QIODevice::WriteOnly)); QCOMPARE(file.write("Hello"), 5LL); + file.close(); + QVERIFY(file.setPermissions(QFile::ReadUser)); } #ifdef Q_OS_WIN QTRY_VERIFY(!QDir(dirName).exists()); -- cgit v1.2.3