$ git clone -n https://gitee.com/zhuzhustu/python-setuptools-scm.git /var/lib/mock/dist-an23-build-535988-82142/root/chroot_tmpdir/scmroot/python-setuptools-scm
Cloning into '/var/lib/mock/dist-an23-build-535988-82142/root/chroot_tmpdir/scmroot/python-setuptools-scm'...
$ git fetch origin ccbb3244f37b4319818d21bdf6fb9d5dede29fe0:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/python-setuptools-scm
 * [new ref]         ccbb3244f37b4319818d21bdf6fb9d5dede29fe0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccbb324 update python-setuptools-scm.spec.