$ git clone -n https://src.fedoraproject.org/rpms/python-beangulp.git /var/lib/mock/f45-build-29777-641/root/chroot_tmpdir/scmroot/python-beangulp
Cloning into '/var/lib/mock/f45-build-29777-641/root/chroot_tmpdir/scmroot/python-beangulp'...
$ git fetch origin f0fd99e82efeca8a059891de6d4924e9bb52bb46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-beangulp
 * [new ref]         f0fd99e82efeca8a059891de6d4924e9bb52bb46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0fd99e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild