$ git clone -n https://gitee.com/opencloudos-stream/libguestfs.git /var/lib/mock/dist-ocs23-build-184192-12648/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/dist-ocs23-build-184192-12648/root/chroot_tmpdir/scmroot/libguestfs'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libguestfs
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d60fbbe !13 rebuild for ocaml 5.2.0 Merge pull request !13 from cunshunxia/master