$ git clone -n https://gitee.com/mgb01105731/librsvg2.git /var/lib/mock/dist-an23.3-build-419995-72884/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23.3-build-419995-72884/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin 6ead6671a1e31b61a794773f7911ae54f57b7d87:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/librsvg2
 * [new ref]         6ead6671a1e31b61a794773f7911ae54f57b7d87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ead667 Update to 2.57.1 from 2.56.3