$ git clone -n https://gitee.com/wency_cn/librsvg2.git /var/lib/mock/dist-an23-build-493905-74562/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-493905-74562/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 7e1366d8e54f482c26224c83593b84dadd5fb6ca:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2
 * [new ref]         7e1366d8e54f482c26224c83593b84dadd5fb6ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e1366d Update code from upstream