def commit(self, msg):
commit = Commit(self.repository)
commit.parent = self.parent
commit.changelog = self.changelog
commit.schema = self.schema
commit.msg = msg
commit.commit_id = hashlib.sha1(json.dumps(commit.toDict())).hexdigest()
commit.checkedout = True
self.repository.commits[commit.commit_id] = commit.toDict()
self.repository.checkouts[commit.commit_id] = commit
self.repository.branches[self.name] = commit.commit_id
self.parent = commit
self.reset()
