$ git clone -n https://src.fedoraproject.org/rpms/python-fuckit.git /var/lib/mock/f45-build-30777-647/root/chroot_tmpdir/scmroot/python-fuckit
Cloning into '/var/lib/mock/f45-build-30777-647/root/chroot_tmpdir/scmroot/python-fuckit'...
$ git fetch origin 88b2c52235ea0d53e4c69cbcc6160605b390930c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fuckit
 * [new ref]         88b2c52235ea0d53e4c69cbcc6160605b390930c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88b2c52 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild