$ git clone -n https://gitee.com/wency_cn/librsvg2.git /var/lib/mock/dist-an23-build-507588-74937/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-507588-74937/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 3aa13cb5f93cfc3a73ed592c86e1665ce4d8f7c8:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2
 * [new ref]         3aa13cb5f93cfc3a73ed592c86e1665ce4d8f7c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aa13cb Update code from upstream