$ git clone -n https://gitee.com/mgb01105731/librsvg2.git /var/lib/mock/dist-an23-build-467756-74027/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23-build-467756-74027/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 9481aae8b4da84e16a771c02dd72cc8c72f9e79a:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/librsvg2
 * [new ref]         9481aae8b4da84e16a771c02dd72cc8c72f9e79a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9481aae Update code from upstream