Utils: add permissions() to FilePath

Change-Id: I89082550a4f053c400d13a34df4f9c09c65bc326
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/fileutils.cpp

@@ -1378,6 +1378,15 @@ QDateTime FilePath::lastModified() const
     return toFileInfo().lastModified();
 }
 
+QFile::Permissions FilePath::permissions() const
+{
+    if (needsDevice()) {
+        QTC_ASSERT(s_deviceHooks.permissions, return {});
+        return s_deviceHooks.permissions(*this);
+    }
+    return toFileInfo().permissions();
+}
+
 bool FilePath::removeFile() const
 {
     if (needsDevice()) {

src/libs/utils/fileutils.h

@@ -83,6 +83,7 @@ public:
     std::function<QByteArray(const FilePath &, int)> fileContents;
     std::function<bool(const FilePath &, const QByteArray &)> writeFileContents;
     std::function<QDateTime(const FilePath &)> lastModified;
+    std::function<QFile::Permissions(const FilePath &)> permissions;
 };
 
 class QTCREATOR_UTILS_EXPORT FilePath
@@ -161,6 +162,7 @@ public:
     bool isDir() const;
     bool isNewerThan(const QDateTime &timeStamp) const;
     QDateTime lastModified() const;
+    QFile::Permissions permissions() const;
     bool removeFile() const;
     bool copyFile(const FilePath &target) const;
 

src/plugins/projectexplorer/devicesupport/devicemanager.cpp

@@ -460,6 +460,12 @@ DeviceManager::DeviceManager(bool isInstance) : d(std::make_unique<DeviceManager
         return device->lastModified(filePath);
     };
 
+    deviceHooks.permissions = [](const FilePath &filePath) {
+        auto device = DeviceManager::deviceForPath(filePath);
+        QTC_ASSERT(device, return QFile::Permissions());
+        return device->permissions(filePath);
+    };
+
     FilePath::setDeviceFileHooks(deviceHooks);
 
     DeviceProcessHooks processHooks;

src/plugins/projectexplorer/devicesupport/idevice.cpp

@@ -320,6 +320,13 @@ QDateTime IDevice::lastModified(const FilePath &filePath) const
     return {};
 }
 
+QFileDevice::Permissions IDevice::permissions(const Utils::FilePath &filePath) const
+{
+    Q_UNUSED(filePath);
+    QTC_CHECK(false);
+    return {};
+}
+
 void IDevice::runProcess(QtcProcess &process) const
 {
     Q_UNUSED(process);

src/plugins/projectexplorer/devicesupport/idevice.h

@@ -252,6 +252,7 @@ public:
     virtual QByteArray fileContents(const Utils::FilePath &filePath, int limit) const;
     virtual bool writeFileContents(const Utils::FilePath &filePath, const QByteArray &data) const;
     virtual QDateTime lastModified(const Utils::FilePath &filePath) const;
+    virtual QFile::Permissions permissions(const Utils::FilePath &filePath) const;
     virtual void runProcess(Utils::QtcProcess &process) const;
     virtual Utils::Environment systemEnvironment() const;