$ git clone -n https://gitee.com/mgb01105731/librsvg2.git /var/lib/mock/dist-an23.2-build-421762-72903/root/chroot_tmpdir/scmroot/librsvg2
Cloning into '/var/lib/mock/dist-an23.2-build-421762-72903/root/chroot_tmpdir/scmroot/librsvg2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/librsvg2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4343f50 Update to 2.57.1 from 2.56.3