$ git clone -n https://src.fedoraproject.org/rpms/python-python-multipart.git /var/lib/mock/f45-build-32682-661/root/chroot_tmpdir/scmroot/python-python-multipart
Cloning into '/var/lib/mock/f45-build-32682-661/root/chroot_tmpdir/scmroot/python-python-multipart'...
$ git fetch origin 3c64fc9bfbab724b86ffda2d3a804a391b37ff2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-python-multipart
 * [new ref]         3c64fc9bfbab724b86ffda2d3a804a391b37ff2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c64fc9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild