[evolution] I#1133 - Calendar: Preserver timezone on recurrence instances

[Milan Crha <mcrha src gnome org>]

commit 95190c51bc0564e7c2019b5b85102f00633d31a3
Author: Milan Crha <mcrha redhat com>
Date:   Fri Oct 9 12:56:36 2020 +0200

    I#1133 - Calendar: Preserver timezone on recurrence instances
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1133

 src/calendar/gui/e-cal-data-model.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)
---
diff --git a/src/calendar/gui/e-cal-data-model.c b/src/calendar/gui/e-cal-data-model.c
index e2311f8dd4..325f3b2e01 100644
--- a/src/calendar/gui/e-cal-data-model.c
+++ b/src/calendar/gui/e-cal-data-model.c
@@ -1104,7 +1104,7 @@ cal_data_model_instance_generated (ICalComponent *icomp,
        GenerateInstancesData *gid = user_data;
        ComponentData *comp_data;
        ECalComponent *comp_copy;
-       ICalTime *tt, *tt2;
+       ICalTime *tt = NULL, *tt2 = NULL;
        time_t start_tt, end_tt;
 
        g_return_val_if_fail (gid != NULL, FALSE);
@@ -1124,26 +1124,6 @@ cal_data_model_instance_generated (ICalComponent *icomp,
        comp_copy = e_cal_component_new_from_icalcomponent (i_cal_component_clone (icomp));
        g_return_val_if_fail (comp_copy != NULL, FALSE);
 
-       tt = i_cal_component_get_dtstart (e_cal_component_get_icalcomponent (comp_copy));
-       tt2 = i_cal_time_convert_to_zone (instance_start, gid->zone);
-       if (i_cal_time_is_date (tt) || !i_cal_time_get_timezone (tt) || i_cal_time_is_utc (tt))
-               i_cal_time_set_timezone (tt2, NULL);
-       else
-               i_cal_time_set_timezone (tt2, gid->zone);
-       i_cal_component_set_dtstart (e_cal_component_get_icalcomponent (comp_copy), tt2);
-       g_clear_object (&tt);
-       g_clear_object (&tt2);
-
-       tt = i_cal_component_get_dtend (e_cal_component_get_icalcomponent (comp_copy));
-       tt2 = i_cal_time_convert_to_zone (instance_end, gid->zone);
-       if (i_cal_time_is_date (tt) || !i_cal_time_get_timezone (tt) || i_cal_time_is_utc (tt))
-               i_cal_time_set_timezone (tt2, NULL);
-       else
-               i_cal_time_set_timezone (tt2, gid->zone);
-       i_cal_component_set_dtend (e_cal_component_get_icalcomponent (comp_copy), tt2);
-       g_clear_object (&tt);
-       g_clear_object (&tt2);
-
        cal_comp_get_instance_times (gid->client, e_cal_component_get_icalcomponent (comp_copy),
                gid->zone, &tt, &tt2, cancellable);