Fix missing store table row after Store.init()

src/nancy/schema/version0.sql

@@ -88,7 +88,7 @@ CREATE TABLE store (
 -- We do not support renaming files.
 CREATE TABLE filedir (
     sha256 TEXT PRIMARY KEY NOT NULL,
-    store TEXT NOT NULL,
+    store TEXT NOT NULL REFERENCES store ON UPDATE CASCADE,
     name TEXT,  -- only a filename, not a path
     parent TEXT REFERENCES filedir ON UPDATE CASCADE,
     UNIQUE(store, name, parent)

src/nancy/store.py

@@ -95,10 +95,13 @@ class Store:
         conn.commit()
         cur.close()
 
-        new_uuid = str(uuid.uuid4())
-        new_store = cls(directory=directory, conn=conn, uuid=new_uuid)
+        new_store = cls(directory=directory, conn=conn, uuid=str(uuid.uuid4()))
         # generate a new UUID for this store
         with new_store.committing() as cur:
+            cur.execute(
+                "INSERT INTO store VALUES (?)",
+                (new_store.uuid,),
+            )
             cur.execute(
                 'INSERT INTO local_metadata VALUES ("store_uuid", ?)',
                 (new_store.uuid,),