$ git clone -n https://src.fedoraproject.org/rpms/production-type-spectral-fonts.git /var/lib/mock/f39-build-1721402-41229/root/chroot_tmpdir/scmroot/production-type-spectral-fonts
Cloning into '/var/lib/mock/f39-build-1721402-41229/root/chroot_tmpdir/scmroot/production-type-spectral-fonts'...
$ git fetch origin 1178758d197b00c1a22b69986abb2fd08190e6da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/production-type-spectral-fonts
 * [new ref]         1178758d197b00c1a22b69986abb2fd08190e6da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1178758 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild