Add a model for package

src/shared/migrations/0083_package_nixderivation_package_packageattrpath.py

@@ -0,0 +1,37 @@
+# Generated by Django 5.2.9 on 2026-04-28 22:13
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shared', '0082_alter_derivationclusterproposallink_derivation_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Package',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=126)),
+                ('homepage', models.URLField(null=True)),
+                ('description', models.TextField(null=True)),
+                ('maintainers', models.ManyToManyField(to='shared.nixmaintainer')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='nixderivation',
+            name='package',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='shared.package'),
+        ),
+        migrations.CreateModel(
+            name='PackageAttrpath',
+            fields=[
+                ('pk', models.CompositePrimaryKey('package', 'attrpath', blank=True, editable=False, primary_key=True, serialize=False)),
+                ('attrpath', models.CharField(max_length=255, unique=True)),
+                ('package', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attrpaths', to='shared.package')),
+            ],
+        ),
+    ]

src/shared/models/__init__.py

@@ -9,6 +9,7 @@
     ProvenanceFlags,
 )
 from .nix_evaluation import *
+from .package import *
 
 __all__ = [
     "CVEDerivationClusterProposal",

src/shared/models/nix_evaluation.py

@@ -234,6 +234,7 @@ class NixDerivation(models.Model):
     - parsing the .drv
     """
 
+    package = models.ForeignKey("shared.Package", on_delete=models.CASCADE, null=True)
     attribute = models.CharField(max_length=255)
     derivation_path = models.CharField(max_length=255)
     name = models.CharField(max_length=255)

src/shared/models/package.py

@@ -0,0 +1,18 @@
+from django.db import models
+
+from shared.models.nix_evaluation import NixMaintainer
+
+
+class Package(models.Model):
+    name = models.CharField(max_length=126)
+    homepage = models.URLField(null=True)
+    description = models.TextField(null=True)
+    maintainers = models.ManyToManyField(NixMaintainer)
+
+
+class PackageAttrpath(models.Model):
+    pk = models.CompositePrimaryKey("package", "attrpath")
+    package = models.ForeignKey(
+        Package, on_delete=models.CASCADE, related_name="attrpaths"
+    )
+    attrpath = models.CharField(max_length=255, unique=True)