$ git clone -n https://src.fedoraproject.org/rpms/gimp-resynthesizer.git /var/lib/mock/f41-build-side-1-2637491-26321/root/chroot_tmpdir/scmroot/gimp-resynthesizer
Cloning into '/var/lib/mock/f41-build-side-1-2637491-26321/root/chroot_tmpdir/scmroot/gimp-resynthesizer'...
$ git fetch origin 740477ada56febe9bec25fcaf28a16dfdfe7614b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gimp-resynthesizer
 * [new ref]         740477ada56febe9bec25fcaf28a16dfdfe7614b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 740477a convert GPLv2+ license to SPDX