$ git clone -n https://gitee.com/src-opencloudos-rpms/librsvg2.git /var/lib/mock/dist-oc8-build-253270-84272/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-oc8-build-253270-84272/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 81d50aff2171f7a5dad9ad556c145c0c0b9de628:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/librsvg2
 * [new ref]         81d50aff2171f7a5dad9ad556c145c0c0b9de628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81d50af import librsvg2-2.42.7-6.tl3