$ git clone -n https://src.fedoraproject.org/rpms/python-colcon-package-selection.git /var/lib/mock/f45-build-30016-642/root/chroot_tmpdir/scmroot/python-colcon-package-selection
Cloning into '/var/lib/mock/f45-build-30016-642/root/chroot_tmpdir/scmroot/python-colcon-package-selection'...
$ git fetch origin b49beac7b93095e9f4625d6f922ccf8d1fd8503b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colcon-package-selection
 * [new ref]         b49beac7b93095e9f4625d6f922ccf8d1fd8503b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b49beac Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild