$ git clone -n https://src.fedoraproject.org/rpms/python-docopt-ng.git /var/lib/mock/f45-build-30427-644/root/chroot_tmpdir/scmroot/python-docopt-ng
Cloning into '/var/lib/mock/f45-build-30427-644/root/chroot_tmpdir/scmroot/python-docopt-ng'...
$ git fetch origin 19e9db7a4e0989653809b89237b89ebb20538e2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-docopt-ng
 * [new ref]         19e9db7a4e0989653809b89237b89ebb20538e2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19e9db7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild