$ git clone -n https://src.fedoraproject.org/rpms/python-xxhash.git /var/lib/mock/f42-build-873364-178403/root/chroot_tmpdir/scmroot/python-xxhash
Cloning into '/var/lib/mock/f42-build-873364-178403/root/chroot_tmpdir/scmroot/python-xxhash'...
$ git fetch origin 9c7a66cd264f72bc6756d1cc25b46dc374724647:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xxhash
 * [new ref]         9c7a66cd264f72bc6756d1cc25b46dc374724647 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c7a66c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild