$ git clone -n https://gitee.com/wency_cn/librsvg2.git /var/lib/mock/dist-an23-build-508208-74974/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-508208-74974/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin bd97762790885c7d0eabe58760c6f9798ea5316e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2
 * [new ref]         bd97762790885c7d0eabe58760c6f9798ea5316e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd97762 Update code from upstream