$ git clone -n https://src.fedoraproject.org/rpms/uwsgi.git /var/lib/mock/f41-build-857177-167953/root/chroot_tmpdir/scmroot/uwsgi
Cloning into '/var/lib/mock/f41-build-857177-167953/root/chroot_tmpdir/scmroot/uwsgi'...
$ git fetch origin f03b56ba3a5df36bc74e113f7492f033158f6ecd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uwsgi
 * [new ref]         f03b56ba3a5df36bc74e113f7492f033158f6ecd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f03b56b Only build fiber plugin when rack plugin is also built