$ git clone -n https://src.fedoraproject.org/rpms/gromacs.git /var/lib/mock/f38-build-side-42-init-devel-948625-28779/root/chroot_tmpdir/scmroot/gromacs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-948625-28779/root/chroot_tmpdir/scmroot/gromacs'...
$ git fetch origin d7aae940c33683e6b64d6b65ac5fd62096cc4b8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gromacs
 * [new ref]         d7aae940c33683e6b64d6b65ac5fd62096cc4b8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7aae94 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild