$ git clone -n https://src.fedoraproject.org/rpms/fftw.git /var/lib/mock/f41-build-861725-170024/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/f41-build-861725-170024/root/chroot_tmpdir/scmroot/fftw'...
$ git fetch origin e74fa85644d84c8ea78560cabd25fb5cecac6831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fftw
 * [new ref]         e74fa85644d84c8ea78560cabd25fb5cecac6831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e74fa85 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild