$ git clone -n https://src.fedoraproject.org/rpms/python-peachpy.git /var/lib/mock/f45-build-31898-656/root/chroot_tmpdir/scmroot/python-peachpy
Cloning into '/var/lib/mock/f45-build-31898-656/root/chroot_tmpdir/scmroot/python-peachpy'...
$ git fetch origin b25c4b24652a60213856f4cb02afe931b67d5649:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-peachpy
 * [new ref]         b25c4b24652a60213856f4cb02afe931b67d5649 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b25c4b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild