$ git clone -n https://gitee.com/src-opencloudos-rpms/libguestfs.git /var/lib/mock/dist-oc9-build-123129-72779/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/dist-oc9-build-123129-72779/root/chroot_tmpdir/scmroot/libguestfs'...
$ git fetch origin b549bcb80cffca420a38cc522f867fac8311afc3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libguestfs
 * [new ref]         b549bcb80cffca420a38cc522f867fac8311afc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b549bcb import libguestfs-1.53.2-7.tl4.ap.1