$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-server.git /var/lib/mock/f40-build-786900-134632/root/chroot_tmpdir/scmroot/kf5-akonadi-server
Cloning into '/var/lib/mock/f40-build-786900-134632/root/chroot_tmpdir/scmroot/kf5-akonadi-server'...
$ git fetch origin c4de9c9aa471fe6af99a287e650f0a9aa4d8a5a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-server
 * [new ref]         c4de9c9aa471fe6af99a287e650f0a9aa4d8a5a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4de9c9 23.08.5