$ git clone -n https://src.fedoraproject.org/rpms/python-http-server-mock.git /var/lib/mock/f45-build-31004-649/root/chroot_tmpdir/scmroot/python-http-server-mock
Cloning into '/var/lib/mock/f45-build-31004-649/root/chroot_tmpdir/scmroot/python-http-server-mock'...
$ git fetch origin e9552539e42ca6d237ce803c5c84be3d71b68e4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-http-server-mock
 * [new ref]         e9552539e42ca6d237ce803c5c84be3d71b68e4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e955253 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild