changes: Do not track duplicate languages in changes

- alert is a better place to notify about this
- duplicate languages typically do not disappear, so the change would
  repeat on every commit or file update
- this is essetially same as 81aa107,
  see #9593

weblate/trans/migrations/0179_alter_change_action.py

@@ -0,0 +1,88 @@
+# Copyright © Michal Čihař <michal@weblate.org>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Generated by Django 4.2.3 on 2023-08-08 12:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("trans", "0178_rename_details_new_alert_details_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="change",
+            name="action",
+            field=models.IntegerField(
+                choices=[
+                    (0, "Resource update"),
+                    (1, "Translation completed"),
+                    (2, "Translation changed"),
+                    (5, "New translation"),
+                    (3, "Comment added"),
+                    (4, "Suggestion added"),
+                    (6, "Automatic translation"),
+                    (7, "Suggestion accepted"),
+                    (8, "Translation reverted"),
+                    (9, "Translation uploaded"),
+                    (13, "New source string"),
+                    (14, "Component locked"),
+                    (15, "Component unlocked"),
+                    (17, "Committed changes"),
+                    (18, "Pushed changes"),
+                    (19, "Reset repository"),
+                    (20, "Merged repository"),
+                    (21, "Rebased repository"),
+                    (22, "Failed merge on repository"),
+                    (23, "Failed rebase on repository"),
+                    (28, "Failed push on repository"),
+                    (24, "Parse error"),
+                    (25, "Removed translation"),
+                    (26, "Suggestion removed"),
+                    (27, "Search and replace"),
+                    (29, "Suggestion removed during cleanup"),
+                    (30, "Source string changed"),
+                    (31, "New string added"),
+                    (32, "Bulk status change"),
+                    (33, "Changed visibility"),
+                    (34, "Added user"),
+                    (35, "Removed user"),
+                    (36, "Translation approved"),
+                    (37, "Marked for edit"),
+                    (38, "Removed component"),
+                    (39, "Removed project"),
+                    (41, "Renamed project"),
+                    (42, "Renamed component"),
+                    (43, "Moved component"),
+                    (44, "New string to translate"),
+                    (45, "New contributor"),
+                    (46, "New announcement"),
+                    (47, "New alert"),
+                    (48, "Added new language"),
+                    (49, "Requested new language"),
+                    (50, "Created project"),
+                    (51, "Created component"),
+                    (52, "Invited user"),
+                    (53, "Received repository notification"),
+                    (54, "Replaced file by upload"),
+                    (55, "License changed"),
+                    (56, "Contributor agreement changed"),
+                    (57, "Screnshot added"),
+                    (58, "Screnshot uploaded"),
+                    (59, "String updated in the repository"),
+                    (60, "Add-on installed"),
+                    (61, "Add-on configuration changed"),
+                    (62, "Add-on uninstalled"),
+                    (63, "Removed string"),
+                    (64, "Removed comment"),
+                    (65, "Resolved comment"),
+                    (66, "Explanation updated"),
+                ],
+                db_index=True,
+                default=2,
+            ),
+        ),
+    ]

weblate/trans/migrations/0180_change_duplicate_language.py

@@ -0,0 +1,24 @@
+# Copyright © Michal Čihař <michal@weblate.org>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Generated by Django 4.2.3 on 2023-08-08 12:10
+
+from django.db import migrations
+
+
+def change_duplicate_language(apps, schema_editor):
+    Change = apps.get_model("trans", "Change")
+    Change.objects.using(schema_editor.connection.alias).filter(action=40).delete()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("trans", "0179_alter_change_action"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            change_duplicate_language, migrations.RunPython.noop, elidable=True
+        )
+    ]

weblate/trans/models/change.py

@@ -238,7 +238,7 @@ class Change(models.Model, UserDisplayMixin):
     ACTION_MARKED_EDIT = 37
     ACTION_REMOVE_COMPONENT = 38
     ACTION_REMOVE_PROJECT = 39
-    ACTION_DUPLICATE_LANGUAGE = 40
+    # Used to be ACTION_DUPLICATE_LANGUAGE = 40
     ACTION_RENAME_PROJECT = 41
     ACTION_RENAME_COMPONENT = 42
     ACTION_MOVE_COMPONENT = 43
@@ -340,8 +340,6 @@ class Change(models.Model, UserDisplayMixin):
         # Translators: Name of event in the history
         (ACTION_REMOVE_PROJECT, gettext_lazy("Removed project")),
         # Translators: Name of event in the history
-        (ACTION_DUPLICATE_LANGUAGE, gettext_lazy("Found duplicated language")),
-        # Translators: Name of event in the history
         (ACTION_RENAME_PROJECT, gettext_lazy("Renamed project")),
         # Translators: Name of event in the history
         (ACTION_RENAME_COMPONENT, gettext_lazy("Renamed component")),
@@ -449,7 +447,6 @@ class Change(models.Model, UserDisplayMixin):
         ACTION_FAILED_PUSH,
         ACTION_LOCK,
         ACTION_UNLOCK,
-        ACTION_DUPLICATE_LANGUAGE,
     }
 
     # Actions where target is rendered as translation string

weblate/trans/models/component.py

@@ -2315,12 +2315,6 @@ def _create_translations(  # noqa: C901
                     filenames = f"{path}, {languages[lang.code].filename}"
                     detail = f"{lang.code} ({codes})"
                     self.log_warning("duplicate language found: %s", detail)
-                    Change.objects.create(
-                        component=self,
-                        user=request.user if request else self.acting_user,
-                        target=detail,
-                        action=Change.ACTION_DUPLICATE_LANGUAGE,
-                    )
                     self.trigger_alert(
                         "DuplicateLanguage",
                         codes=codes,