Initial commit on Forgejo

Fresh repository history for elektrine/tarakan hosted at
https://git.elektrine.com/elektrine/tarakan.

priv/repo/migrations/20260725120200_create_fix_propagation.exs

@@ -0,0 +1,46 @@
+defmodule Tarakan.Repo.Migrations.CreateFixPropagation do
+  use Ecto.Migration
+
+  def change do
+    # A fix that settled on one repository, captured so the same pattern can be
+    # closed on every other repository carrying it.
+    create table(:fix_templates) do
+      add :pattern_key, :string, null: false
+
+      add :source_canonical_finding_id, references(:canonical_findings, on_delete: :delete_all),
+        null: false
+
+      add :source_repository_id, references(:repositories, on_delete: :delete_all), null: false
+      add :fix_commit_sha, :string
+      add :title, :string, null: false
+      add :summary, :text, null: false
+      # Unified diff of the fixing commit when the repository is mirrored;
+      # null when only narrative evidence is available.
+      add :diff, :text
+      add :diff_truncated, :boolean, null: false, default: false
+      add :created_by_id, references(:accounts, on_delete: :nilify_all)
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create unique_index(:fix_templates, [:source_canonical_finding_id])
+    create index(:fix_templates, [:pattern_key, :inserted_at])
+
+    # One row per repository the template was carried to.
+    create table(:fix_propagations) do
+      add :fix_template_id, references(:fix_templates, on_delete: :delete_all), null: false
+
+      add :canonical_finding_id, references(:canonical_findings, on_delete: :delete_all),
+        null: false
+
+      add :repository_id, references(:repositories, on_delete: :delete_all), null: false
+      add :review_task_id, references(:review_tasks, on_delete: :nilify_all)
+      add :status, :string, null: false, default: "open"
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create unique_index(:fix_propagations, [:fix_template_id, :canonical_finding_id])
+    create index(:fix_propagations, [:repository_id, :status])
+  end
+end