$ git clone -n https://src.fedoraproject.org/rpms/rubygem-hitimes.git /var/lib/mock/f40-build-2099764-50441/root/chroot_tmpdir/scmroot/rubygem-hitimes
Cloning into '/var/lib/mock/f40-build-2099764-50441/root/chroot_tmpdir/scmroot/rubygem-hitimes'...
$ git fetch origin f17e21fc63fe76c2a5171ec416bd249671fe3004:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-hitimes
 * [new ref]         f17e21fc63fe76c2a5171ec416bd249671fe3004 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f17e21f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild