$ git clone -n https://src.fedoraproject.org/rpms/perl-Time-y2038.git /var/lib/mock/f40-build-778027-129733/root/chroot_tmpdir/scmroot/perl-Time-y2038
Cloning into '/var/lib/mock/f40-build-778027-129733/root/chroot_tmpdir/scmroot/perl-Time-y2038'...
$ git fetch origin 27fea98a1e2cd1977bc2027bd4c27ef6374f6e5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Time-y2038
 * [new ref]         27fea98a1e2cd1977bc2027bd4c27ef6374f6e5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27fea98 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild