$ git clone -n https://src.fedoraproject.org/rpms/lv2-sorcer.git /var/lib/mock/f41-build-1702117-24562/root/chroot_tmpdir/scmroot/lv2-sorcer
Cloning into '/var/lib/mock/f41-build-1702117-24562/root/chroot_tmpdir/scmroot/lv2-sorcer'...
$ git fetch origin 570000a31c0d3b88cd675080b3ec6a7e1dfe68b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv2-sorcer
 * [new ref]         570000a31c0d3b88cd675080b3ec6a7e1dfe68b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 570000a convert GPLv3+ license to SPDX