Add a migration to check for pending datarepair

fixes pulp#141

CHANGES/141.removal

@@ -0,0 +1 @@
+Added a migration to tell admins to run certain datarepair commands before upgrading to 0.4.

pulp_gem/app/migrations/0009_check_datarepair.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.2.1 on 2023-08-15 12:44
+
+from django.db import migrations
+from pulpcore.migrations import RequireVersion
+
+
+def check_datarepair(apps, schema_editor):
+    ShallowGemContent = apps.get_model("gem", "ShallowGemContent")
+    if ShallowGemContent.objects.exists():
+        raise RuntimeError("Before continuing with this upgrade, you need to run the 'datarepair-shallow-gems' command, or remove all remaining broken repository versions.")
+
+    GemContent = apps.get_model("gem", "GemContent")
+    if GemContent.objects.filter(platform=None).exists():
+        raise RuntimeError("Before continuing with this upgrade, you need to run the 'datarepair-gemspec-platform' command, or remove all remaining broken repository versions.")
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("gem", "0008_gemcontent_platform"),
+    ]
+
+    operations = [
+        RequireVersion("gem", "0.2.0"),
+        migrations.RunPython(code=check_datarepair, reverse_code=migrations.RunPython.noop, elidable=True),
+    ]

pulp_gem/app/models.py

@@ -177,7 +177,7 @@ class GemRepository(Repository):
     """
 
     TYPE = "gem"
-    CONTENT_TYPES = [GemContent, ShallowGemContent]
+    CONTENT_TYPES = [GemContent]
     REMOTE_TYPES = [GemRemote]
 
     class Meta:

requirements.txt

@@ -1,2 +1,2 @@
-pulpcore>=3.28.0,<3.40
+pulpcore>=3.34.0,<3.40
 rubymarshal>=1.2.7,<1.3