Mercurial: Properly cleanup commit message

Change-Id: If035d3a2476408d3c54aa30f9b276bc5921845b3
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

src/plugins/mercurial/mercurialcommitwidget.cpp

@@ -151,5 +151,14 @@ QString MercurialCommitWidget::repoRoot()
     return mercurialCommitPanelUi.repositoryLabel->text();
 }
 
+QString MercurialCommitWidget::cleanupDescription(const QString &input) const
+{
+    const QRegularExpression commentLine(QLatin1String("^HG:[^\\n]*(\\n|$)"),
+                                         QRegularExpression::MultilineOption);
+    QString message = input;
+    message.remove(commentLine);
+    return message;
+}
+
 } // namespace Internal
 } // namespace Mercurial

src/plugins/mercurial/mercurialcommitwidget.h

@@ -53,6 +53,9 @@ public:
     QString committer();
     QString repoRoot();
 
+protected:
+    QString cleanupDescription(const QString &input) const;
+
 private:
     QWidget *mercurialCommitPanel;
     Ui::MercurialCommitPanel mercurialCommitPanelUi;