$ git clone -n https://gitee.com/wency_cn/librsvg2.git /var/lib/mock/dist-an23-build-493784-74562/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-493784-74562/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 9bdef2c26b04b71312ac485b6468e5ff05d1df8e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/librsvg2
 * [new ref]         9bdef2c26b04b71312ac485b6468e5ff05d1df8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bdef2c Update code from upstream