$ git clone -n https://gitee.com/mgb01105731/librsvg2_1764837062.git /var/lib/mock/dist-an23-build-491846-74546/root/chroot_tmpdir/scmroot/librsvg2_1764837062
Cloning into '/var/lib/mock/dist-an23-build-491846-74546/root/chroot_tmpdir/scmroot/librsvg2_1764837062'...
$ git fetch origin 5fce27a4f4b0052b491f6f8bc25ebe1d1458f0c0:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/librsvg2_1764837062
 * [new ref]         5fce27a4f4b0052b491f6f8bc25ebe1d1458f0c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fce27a Update code from upstream