$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-groupoids.git /var/lib/mock/f39-build-1660536-40648/root/chroot_tmpdir/scmroot/gap-pkg-groupoids
Cloning into '/var/lib/mock/f39-build-1660536-40648/root/chroot_tmpdir/scmroot/gap-pkg-groupoids'...
$ git fetch origin a5eff0849b33a90178aaae26d321751fde87df5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-groupoids
 * [new ref]         a5eff0849b33a90178aaae26d321751fde87df5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5eff08 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild