$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-server.git /var/lib/mock/f40-build-2447602-61368/root/chroot_tmpdir/scmroot/kf5-akonadi-server
Cloning into '/var/lib/mock/f40-build-2447602-61368/root/chroot_tmpdir/scmroot/kf5-akonadi-server'...
$ git fetch origin b54931a8b9c2c39b43fbcac25505dcb60848be45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-server
 * [new ref]         b54931a8b9c2c39b43fbcac25505dcb60848be45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b54931a replace LicenseRef-KDE-Accepted-* licenses