$ git clone -n https://gitee.com/wency_cn/librsvg2_1770762133.git /var/lib/mock/dist-an23-build-513321-75099/root/chroot_tmpdir/scmroot/librsvg2_1770762133
Cloning into '/var/lib/mock/dist-an23-build-513321-75099/root/chroot_tmpdir/scmroot/librsvg2_1770762133'...
$ git fetch origin 0860ff888c7b923a1565dc3f23a9f5f5753185f9:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2_1770762133
 * [new ref]         0860ff888c7b923a1565dc3f23a9f5f5753185f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0860ff8 Update code from upstream