$ git clone -n https://src.fedoraproject.org/rpms/python-debianbts.git /var/lib/mock/f45-build-30271-643/root/chroot_tmpdir/scmroot/python-debianbts
Cloning into '/var/lib/mock/f45-build-30271-643/root/chroot_tmpdir/scmroot/python-debianbts'...
$ git fetch origin 0bfa9d64781fd1a1f5a0d8262b8fd7472ff36ddb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-debianbts
 * [new ref]         0bfa9d64781fd1a1f5a0d8262b8fd7472ff36ddb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bfa9d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild