fix(core): ignore current context when creating repository instance

Closes #5395

packages/core/src/EntityManager.ts

@@ -168,7 +168,7 @@ export class EntityManager<Driver extends IDatabaseDriver = IDatabaseDriver> {
     if (!this.repositoryMap[entityName]) {
       const meta = this.metadata.get(entityName);
       const RepositoryClass = this.config.getRepositoryClass(meta.repository) as Constructor<EntityRepository<any>>;
-      this.repositoryMap[entityName] = new RepositoryClass(this.getContext(false), entityName);
+      this.repositoryMap[entityName] = new RepositoryClass(this, entityName);
     }
 
     return this.repositoryMap[entityName] as unknown as GetRepository<Entity, Repository>;

tests/issues/GH5395.test.ts

@@ -0,0 +1,36 @@
+import { Entity, MikroORM, PrimaryKey, Property } from '@mikro-orm/sqlite';
+
+@Entity()
+class Post {
+
+  @PrimaryKey()
+  id!: number;
+
+  @Property()
+  name!: string;
+
+}
+
+let orm: MikroORM;
+
+beforeAll(async () => {
+  orm = await MikroORM.init({
+    entities: [Post],
+    dbName: ':memory:',
+  });
+  await orm.schema.createSchema();
+});
+
+afterAll(() => orm.close(true));
+
+test('em.getRepository() and context resolution (GH #5395)', async () => {
+  const em = orm.em.fork({ useContext: true });
+  await em.transactional(async _ => {
+    // this could happen in a nested service without access to tx-specific EM
+    await em.getRepository(Post).find({ id: 1 });
+  });
+  await em.getRepository(Post).find({ id: 1 });
+
+  await em.getRepository(Post).getEntityManager().getContext().find(Post, { id: 1 });
+  expect(em.id).toBe(em.getRepository(Post).getEntityManager().id);
+});