ExtensionSystem: Make API for revision in PluginSpec

Change-Id: Icdc6bfa565cf67faa829fd473f2890e4987bd261
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/extensionsystem/plugindetailsview.cpp

@@ -70,16 +70,6 @@ PluginDetailsView::~PluginDetailsView()
     delete m_ui;
 }
 
-// TODO: make API in PluginSpec
-static QString getSpecRevision(PluginSpec *spec)
-{
-    const QJsonObject metaData = spec->metaData();
-    const QJsonValue revision = metaData.value("Revision");
-    if (revision.isString())
-        return revision.toString();
-    return QString();
-}
-
 /*!
     Reads the given \a spec and displays its values
     in this PluginDetailsView.
@@ -87,7 +77,7 @@ static QString getSpecRevision(PluginSpec *spec)
 void PluginDetailsView::update(PluginSpec *spec)
 {
     m_ui->name->setText(spec->name());
-    const QString revision = getSpecRevision(spec);
+    const QString revision = spec->revision();
     const QString versionString = spec->version() + (revision.isEmpty() ? QString()
                                                                         : " (" + revision + ")");
     m_ui->version->setText(versionString);

src/libs/extensionsystem/pluginspec.cpp

@@ -288,6 +288,14 @@ QString PluginSpec::category() const
     return d->category;
 }
 
+QString PluginSpec::revision() const
+{
+    const QJsonValue revision = metaData().value("Revision");
+    if (revision.isString())
+        return revision.toString();
+    return QString();
+}
+
 /*!
     Returns a QRegularExpression matching the platforms this plugin works on.
     An empty pattern implies all platforms.

src/libs/extensionsystem/pluginspec.h

@@ -92,6 +92,7 @@ public:
     QString description() const;
     QString url() const;
     QString category() const;
+    QString revision() const;
     QRegularExpression platformSpecification() const;
     bool isAvailableForHostPlatform() const;
     bool isRequired() const;