chore(repositories): Add a table to allow us to link a project to a repository

migrations_lockfile.txt

@@ -29,9 +29,9 @@ releases: 0004_cleanup_failed_safe_deletes
 
 replays: 0007_organizationmember_replay_access
 
-seer: 0010_drop_legacy_columns
+seer: 0011_add_project_repository_fk_to_seer
 
-sentry: 1086_add_source_to_external_actor
+sentry: 1087_add_projectrepository
 
 social_auth: 0003_social_auth_json_field
 

src/sentry/integrations/models/repository_project_path_config.py

@@ -17,6 +17,9 @@ class RepositoryProjectPathConfig(DefaultFieldsModelExisting):
 
     repository = FlexibleForeignKey("sentry.Repository")
     project = FlexibleForeignKey("sentry.Project", db_constraint=False)
+    project_repository = FlexibleForeignKey(
+        "sentry.ProjectRepository", null=True, on_delete=models.CASCADE
+    )
 
     organization_integration_id = HybridCloudForeignKey(
         "sentry.OrganizationIntegration", on_delete="CASCADE"

src/sentry/migrations/1087_add_projectrepository.py

@@ -0,0 +1,70 @@
+# Generated by Django 5.2.12 on 2026-05-11 18:17
+
+import django.db.models.deletion
+import sentry.db.models.fields.bounded
+import sentry.db.models.fields.foreignkey
+from django.db import migrations, models
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("sentry", "1086_add_source_to_external_actor"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ProjectRepository",
+            fields=[
+                (
+                    "id",
+                    sentry.db.models.fields.bounded.BoundedBigAutoField(
+                        primary_key=True, serialize=False
+                    ),
+                ),
+                ("date_updated", models.DateTimeField(auto_now=True)),
+                ("date_added", models.DateTimeField(auto_now_add=True)),
+                ("source", models.SmallIntegerField(default=0)),
+                (
+                    "project",
+                    sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="sentry.project"
+                    ),
+                ),
+                (
+                    "repository",
+                    sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="sentry.repository"
+                    ),
+                ),
+            ],
+            options={
+                "db_table": "sentry_projectrepository",
+                "unique_together": {("project", "repository")},
+            },
+        ),
+        migrations.AddField(
+            model_name="repositoryprojectpathconfig",
+            name="project_repository",
+            field=sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="sentry.projectrepository",
+            ),
+        ),
+    ]

src/sentry/models/__init__.py

@@ -90,6 +90,7 @@
 from .projectownership import *  # NOQA
 from .projectplatform import *  # NOQA
 from .projectredirect import *  # NOQA
+from .projectrepository import *  # NOQA
 from .projectsdk import *  # NOQA
 from .projectteam import *  # NOQA
 from .promptsactivity import *  # NOQA

src/sentry/models/projectrepository.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from django.db import models
+
+from sentry.backup.scopes import RelocationScope
+from sentry.db.models import FlexibleForeignKey, cell_silo_model, sane_repr
+from sentry.db.models.base import DefaultFieldsModel
+
+
+class ProjectRepositorySource(models.IntegerChoices):
+    MANUAL = 0, "manual"
+    SCM_ONBOARDING = 1, "scm_onboarding"
+    AUTO_EVENT = 2, "auto_event"
+    AUTO_NAME_MATCH = 3, "auto_name_match"
+    SEER_PREFERENCE = 4, "seer_preference"
+
+
+@cell_silo_model
+class ProjectRepository(DefaultFieldsModel):
+    __relocation_scope__ = RelocationScope.Excluded
+
+    project = FlexibleForeignKey("sentry.Project", on_delete=models.CASCADE)
+    repository = FlexibleForeignKey("sentry.Repository", on_delete=models.CASCADE)
+    source = models.SmallIntegerField(
+        choices=ProjectRepositorySource.choices,
+        default=ProjectRepositorySource.MANUAL,
+    )
+
+    class Meta:
+        app_label = "sentry"
+        db_table = "sentry_projectrepository"
+        unique_together = (("project", "repository"),)
+
+    __repr__ = sane_repr("project_id", "repository_id")

src/sentry/seer/migrations/0011_add_project_repository_fk_to_seer.py

@@ -0,0 +1,40 @@
+# Generated by Django 5.2.14 on 2026-05-11 21:32
+
+import django.db.models.deletion
+import sentry.db.models.fields.foreignkey
+from django.db import migrations
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("seer", "0010_drop_legacy_columns"),
+        ("sentry", "1087_add_projectrepository"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="seerprojectrepository",
+            name="project_repository",
+            field=sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="sentry.projectrepository",
+            ),
+        ),
+    ]

src/sentry/seer/models/project_repository.py

@@ -19,6 +19,9 @@ class SeerProjectRepository(DefaultFieldsModel):
 
     project = FlexibleForeignKey("sentry.Project", on_delete=models.CASCADE)
     repository = FlexibleForeignKey("sentry.Repository", on_delete=models.CASCADE)
+    project_repository = FlexibleForeignKey(
+        "sentry.ProjectRepository", null=True, on_delete=models.CASCADE
+    )
     branch_name = models.TextField(null=True, blank=True)
     instructions = models.TextField(null=True, blank=True)