Allow to clear stash dir for session when removing a session.

kate/katestashmanager.cpp

@@ -26,6 +26,20 @@ KateStashManager::KateStashManager(QObject *parent)
 {
 }
 
+void KateStashManager::clearStashForSession(const KateSession::Ptr session)
+{
+    const QString appDataPath = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
+    QDir dir(appDataPath);
+    if (dir.exists(QStringLiteral("stash"))) {
+        dir.cd(QStringLiteral("stash"));
+        const QString sessionName = session->name();
+        if (dir.exists(sessionName)) {
+            dir.cd(sessionName);
+            dir.removeRecursively();
+        }
+    }
+}
+
 void KateStashManager::stashDocuments(KConfig *config, const QList<KTextEditor::Document *> &documents)
 {
     // prepare stash directory
@@ -35,12 +49,15 @@ void KateStashManager::stashDocuments(KConfig *config, const QList<KTextEditor::
     dir.cd(QStringLiteral("stash"));
 
     const auto session = KateApp::self()->sessionManager()->activeSession();
-    if (session) {
-        const QString sessionName = session->name();
-        dir.mkdir(sessionName);
-        dir.cd(sessionName);
+    if (!session) {
+        qDebug(LOG_KATE) << "Could not stash files without a session";
+        return;
     }
 
+    const QString sessionName = session->name();
+    dir.mkdir(sessionName);
+    dir.cd(sessionName);
+
     int i = 0;
     for (KTextEditor::Document *doc : qAsConst(documents)) {
         const QString entryName = QStringLiteral("Document %1").arg(i);

kate/katestashmanager.h

@@ -7,6 +7,7 @@
 #ifndef KATESTASHMANAGER_H
 #define KATESTASHMANAGER_H
 
+#include "katesession.h"
 #include "kconfiggroup.h"
 
 namespace KTextEditor
@@ -39,6 +40,8 @@ public:
     void stashDocument(KTextEditor::Document *doc, const QString &stashfileName, KConfigGroup &kconfig, const QString &path);
     bool popDocument(KTextEditor::Document *doc, const KConfigGroup &kconfig);
 
+    void clearStashForSession(const KateSession::Ptr session);
+
 private:
     /**
      * Stash unsave changes setting

kate/session/katesessionmanagedialog.cpp

@@ -98,6 +98,7 @@ void KateSessionManageDialog::done(int result)
 {
     for (const auto &session : qAsConst(m_deleteList)) {
         KateApp::self()->sessionManager()->deleteSession(session);
+        KateApp::self()->stashManager()->clearStashForSession(session);
     }
     m_deleteList.clear(); // May not needed, but anyway