$ git clone -n https://gitee.com/src-opencloudos-rpms/librsvg2.git /var/lib/mock/dist-oc9-build-100421-64492/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-oc9-build-100421-64492/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 30ed49ec423961826fef9c3c062b734ee98d70c5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/librsvg2
 * [new ref]         30ed49ec423961826fef9c3c062b734ee98d70c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30ed49e import librsvg2-2.56.90-5.tl4