$ git clone -n https://gitee.com/mgb01105731/anaconda.git /var/lib/mock/dist-an23-build-537808-83401/root/chroot_tmpdir/scmroot/anaconda
Cloning into '/var/lib/mock/dist-an23-build-537808-83401/root/chroot_tmpdir/scmroot/anaconda'...
$ git fetch origin 23162ba8f9c66e8ff16eff59746d1bd51dd28be5:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/anaconda
 * [new ref]         23162ba8f9c66e8ff16eff59746d1bd51dd28be5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23162ba add liveinst-option.list