$ git clone -n https://src.fedoraproject.org/rpms/python-bugzilla.git /var/lib/mock/f45-build-29854-641/root/chroot_tmpdir/scmroot/python-bugzilla
Cloning into '/var/lib/mock/f45-build-29854-641/root/chroot_tmpdir/scmroot/python-bugzilla'...
$ git fetch origin 2cb52bd61c4dbec8a4cd6675f033af2836aea126:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-bugzilla
 * [new ref]         2cb52bd61c4dbec8a4cd6675f033af2836aea126 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cb52bd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild