Added few new functions to IVersionControl, VCSManager and GeneratedFile to support the funcationality needed by the trac plugin.

All the version control plugins updated to have implementations according to the interface changes.

Merge-request: 2178
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

Merge-request: 2178
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/coreplugin/iversioncontrol.h

@@ -52,7 +52,9 @@ public:
         AddOperation, DeleteOperation, OpenOperation, MoveOperation,
         CreateRepositoryOperation,
         SnapshotOperations,
-        AnnotateOperation
+        AnnotateOperation,
+        CheckoutOperation,
+        GetRepositoryRootOperation
         };
 
     explicit IVersionControl(QObject *parent = 0) : QObject(parent) {}
@@ -116,6 +118,16 @@ public:
      */
     virtual bool vcsCreateRepository(const QString &directory) = 0;
 
+    /*!
+     * Called to clone/checkout the version control system in a directory.
+     */
+    virtual bool vcsCheckout(const QString &directory,const QByteArray &url) = 0;
+
+    /*!
+     * Called to get the version control repository root.
+     */
+    virtual QString vcsGetRepositoryURL(const QString &director) = 0;
+
     /*!
      * Create a snapshot of the current state and return an identifier or
      * an empty string in case of failure.