$ git clone -n https://src.fedoraproject.org/rpms/perl-Time-Moment.git /var/lib/mock/f40-build-2309691-57371/root/chroot_tmpdir/scmroot/perl-Time-Moment
Cloning into '/var/lib/mock/f40-build-2309691-57371/root/chroot_tmpdir/scmroot/perl-Time-Moment'...
$ git fetch origin 5b3bd4c28240f7952a47070b18336eb73a40fba6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Time-Moment
 * [new ref]         5b3bd4c28240f7952a47070b18336eb73a40fba6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b3bd4c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild