$ git clone -n https://src.fedoraproject.org/rpms/totpcgi.git /var/lib/mock/f41-build-side-1-2778911-32448/root/chroot_tmpdir/scmroot/totpcgi
Cloning into '/var/lib/mock/f41-build-side-1-2778911-32448/root/chroot_tmpdir/scmroot/totpcgi'...
$ git fetch origin 735ff4a2920245aa146d24148eb8eda7541df1ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/totpcgi
 * [new ref]         735ff4a2920245aa146d24148eb8eda7541df1ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 735ff4a convert GPLv2+ license to SPDX