$ git clone -n https://gitee.com/fundawang/libvirt.git /var/lib/mock/dist-an23-build-327310-69075/root/chroot_tmpdir/scmroot/libvirt
Cloning into '/var/lib/mock/dist-an23-build-327310-69075/root/chroot_tmpdir/scmroot/libvirt'...
$ git fetch origin 1fafed76dae683ccb2762b0ec50a25727a069fe8:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libvirt
 * [new ref]         1fafed76dae683ccb2762b0ec50a25727a069fe8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fafed7 enable nbdkit