$ git clone -n https://gitee.com/src-opencloudos-rpms/libsolv /var/lib/mock/dist-oc8-build-57996-15846/root/chroot_tmpdir/scmroot/libsolv
Cloning into '/var/lib/mock/dist-oc8-build-57996-15846/root/chroot_tmpdir/scmroot/libsolv'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libsolv
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a963b17 import libsolv-0.7.20-6.tl3