$ git clone -n https://gitee.com/wency_cn/librsvg2.git /var/lib/mock/dist-an23-build-492547-74553/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-492547-74553/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 266c56338f5853364bdaa66eb32dc5159ab2e8c2:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2
 * [new ref]         266c56338f5853364bdaa66eb32dc5159ab2e8c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 266c563 Update code from upstream