$ git clone -n https://src.fedoraproject.org/rpms/mmc.git /var/lib/mock/f40-build-757864-119541/root/chroot_tmpdir/scmroot/mmc
Cloning into '/var/lib/mock/f40-build-757864-119541/root/chroot_tmpdir/scmroot/mmc'...
$ git fetch origin d3fbdc665a3808d3dc2470dcb916ceb49d8bc24a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmc
 * [new ref]         d3fbdc665a3808d3dc2470dcb916ceb49d8bc24a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3fbdc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild