$ git clone -n https://gitee.com/zhangbinchen/librsvg2.git /var/lib/mock/dist-an23-build-465914-73955/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-465914-73955/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin f48cba15f3e0efe2079582465465bb478f4fd6fd:KOJI_FETCH_HEAD
From https://gitee.com/zhangbinchen/librsvg2
 * [new ref]         f48cba15f3e0efe2079582465465bb478f4fd6fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f48cba1 support sw_64