command_runner: clearing textview first

src/tools/command_runner.py

@@ -18,6 +18,10 @@ class CommandRunner:
         GLib.idle_add(self.dialog.logdialog_textview.scroll_to_mark,
                       self.textbuffer.get_insert(), 0, False, 0.0, 1.0)
 
+    def clear_textview(self):
+        self.textbuffer.set_text("")
+        self.dialog.logdialog_textview.scroll_to_mark(self.textbuffer.get_insert(), 0, False, 0.0, 1.0)
+
     def remove_ansi_escape_sequences(self, text):
         result = []
         in_escape = False
@@ -80,6 +84,7 @@ class CommandRunner:
                 break
 
     def process_runner(self, command):
+        self.clear_textview()
         process = None
         sel = None
         master_fd, slave_fd = pty.openpty()