remove caching

Author: CharlyReux

osv/test_tools/test_repository.py

@@ -29,6 +29,7 @@ def __init__(self, name: str):
       shutil.rmtree(f"osv/testdata/test_repositories/{name}")
     self.repo = pygit2.init_repository(
         f"osv/testdata/test_repositories/{name}", bare=False)
+    pygit2.settings.enable_caching(True)
 
   def add_empty_commit(
       self,
@@ -46,6 +47,7 @@ def add_empty_commit(
     if (self.repo.is_empty):
       commit = self.repo.create_commit('refs/heads/master', self.__AUTHOR,
                                        self.__COMMITER, message, tree, [])
+      self.repo.references.create('refs/remotes/{0}/{1}'.format("origin", "master"), commit)
     else:
 
       created_branch: pygit2.Branch = None
@@ -68,8 +70,12 @@ def add_empty_commit(
         commit = self.repo.create_commit(created_branch.name, self.__AUTHOR,
                                          self.__COMMITER, message, tree,
                                          parents)
+        self.repo.references.create('refs/remotes/{0}/{1}'.format("origin", branch_commit.name), commit)
 
         self.repo.checkout('refs/heads/master')
+      headCommit = self.repo.head.target
+      self.repo.references.delete('refs/remotes/{0}/{1}'.format("origin", "master"))
+      self.repo.references.create('refs/remotes/{0}/{1}'.format("origin", "master"),headCommit)
 
         #self.repo.branches.delete(created_branch.branch_name)