$ git clone -n https://gitee.com/zhangbinchen/librsvg2.git /var/lib/mock/dist-an23-build-465940-73955/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-465940-73955/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 7e5732a12318072833f1017a021e2ca17ce658a0:KOJI_FETCH_HEAD
From https://gitee.com/zhangbinchen/librsvg2
 * [new ref]         7e5732a12318072833f1017a021e2ca17ce658a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e5732a support sw_64