$ git clone -n https://gitee.com/src-opencloudos-rpms/libguestfs.git /var/lib/mock/dist-oc9-build-72481-47808/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/dist-oc9-build-72481-47808/root/chroot_tmpdir/scmroot/libguestfs'...
$ git fetch origin 18e9697ce7c39e8f37e4e3c693817f3aef1db9c1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libguestfs
 * [new ref]         18e9697ce7c39e8f37e4e3c693817f3aef1db9c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18e9697 Add auto-patch changlog