$ git clone -n https://src.fedoraproject.org/rpms/sessreg.git /var/lib/mock/f40-build-2041518-48442/root/chroot_tmpdir/scmroot/sessreg
Cloning into '/var/lib/mock/f40-build-2041518-48442/root/chroot_tmpdir/scmroot/sessreg'...
$ git fetch origin 50ec667d45a20dfcff2d125c3d91fea430cc7bb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sessreg
 * [new ref]         50ec667d45a20dfcff2d125c3d91fea430cc7bb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50ec667 SPDX migration