Fixed #25250 -- Clarified partially recorded state of squashed migrations in showmigrations --list.

django/core/management/commands/showmigrations.py

@@ -4,6 +4,7 @@ from django.apps import apps
 from django.core.management.base import BaseCommand
 from django.db import DEFAULT_DB_ALIAS, connections
 from django.db.migrations.loader import MigrationLoader
+from django.db.migrations.recorder import MigrationRecorder
 
 
 class Command(BaseCommand):
@@ -69,6 +70,8 @@ class Command(BaseCommand):
         """
         # Load migrations from disk/DB
         loader = MigrationLoader(connection, ignore_no_migrations=True)
+        recorder = MigrationRecorder(connection)
+        recorded_migrations = recorder.applied_migrations()
         graph = loader.graph
         # If we were passed a list of apps, validate it
         if app_names:
@@ -91,7 +94,11 @@ class Command(BaseCommand):
                         applied_migration = loader.applied_migrations.get(plan_node)
                         # Mark it as applied/unapplied
                         if applied_migration:
-                            output = ' [X] %s' % title
+                            if plan_node in recorded_migrations:
+                                output = ' [X] %s' % title
+                            else:
+                                title += " Run 'manage.py migrate' to finish recording."
+                                output = ' [-] %s' % title
                             if self.verbosity >= 2 and hasattr(applied_migration, 'applied'):
                                 output += ' (applied at %s)' % applied_migration.applied.strftime('%Y-%m-%d %H:%M:%S')
                             self.stdout.write(output)

tests/migrations/test_commands.py

@@ -928,6 +928,15 @@ class MigrateTests(MigrationTestBase):
         recorder = MigrationRecorder(connection)
         recorder.record_applied("migrations", "0001_initial")
         recorder.record_applied("migrations", "0002_second")
+        out = io.StringIO()
+        call_command('showmigrations', 'migrations', stdout=out, no_color=True)
+        self.assertEqual(
+            "migrations\n"
+            " [-] 0001_squashed_0002 (2 squashed migrations) "
+            "run 'manage.py migrate' to finish recording.\n",
+            out.getvalue().lower(),
+        )
+
         out = io.StringIO()
         call_command("migrate", "migrations", verbosity=0)
         call_command("showmigrations", "migrations", stdout=out, no_color=True)