[gedit] gedit-commands-file.c: Only save if file has been modified

[Jordi Mas <jmas src gnome org>]

commit deb2af02a9dad8fe2d1cb8689c55a9ac54a8553f
Author: Matthias Schneider <cx879 posteo de>
Date:   Tue Apr 30 16:23:32 2019 +0000

    gedit-commands-file.c: Only save if file has been modified

 gedit/gedit-commands-file.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
---
diff --git a/gedit/gedit-commands-file.c b/gedit/gedit-commands-file.c
index c86df32fa..65e32d705 100644
--- a/gedit/gedit-commands-file.c
+++ b/gedit/gedit-commands-file.c
@@ -1079,13 +1079,28 @@ _gedit_cmd_file_save (GSimpleAction *action,
 {
        GeditWindow *window = GEDIT_WINDOW (user_data);
        GeditTab *tab;
+       GeditDocument *doc;
 
        gedit_debug (DEBUG_COMMANDS);
 
        tab = gedit_window_get_active_tab (window);
        if (tab != NULL)
        {
-               save_tab (tab, window);
+               doc = gedit_tab_get_document (tab);
+               g_return_if_fail (doc != NULL);
+
+               if (_gedit_document_needs_saving (doc) ||
+                   gedit_document_is_untitled (doc))
+               {
+                       save_tab (tab, window);
+               }
+               else
+               {
+                       gedit_statusbar_flash_message (GEDIT_STATUSBAR (window->priv->statusbar),
+                                                      window->priv->generic_message_cid,
+                                                      _("No changes need to be saved"));
+
+               }
        }
 }