$ git clone -n https://src.fedoraproject.org/rpms/python-django-haystack.git /var/lib/mock/f45-build-30364-644/root/chroot_tmpdir/scmroot/python-django-haystack
Cloning into '/var/lib/mock/f45-build-30364-644/root/chroot_tmpdir/scmroot/python-django-haystack'...
$ git fetch origin 8a168d601e6d62e10d6bf2354435f8db9d231aaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-django-haystack
 * [new ref]         8a168d601e6d62e10d6bf2354435f8db9d231aaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a168d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild