$ git clone -n https://gitee.com/opencloudos-stream/python-dulwich.git /var/lib/mock/dist-ocs23-build-102409-6116/root/chroot_tmpdir/scmroot/python-dulwich
Cloning into '/var/lib/mock/dist-ocs23-build-102409-6116/root/chroot_tmpdir/scmroot/python-dulwich'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python-dulwich
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63adcbe !1 Upgrade to version 0.21.6 Merge pull request !1 from cunshunxia/master