$ git clone -n https://gitee.com/wenyuzifang/librsvg2.git /var/lib/mock/dist-an23-build-480868-74252/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-480868-74252/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 9776bc04a32c152519ca7c4ec56a62e2367ba761:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/librsvg2
 * [new ref]         9776bc04a32c152519ca7c4ec56a62e2367ba761 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9776bc0 Update code from upstream