$ git clone -n https://src.fedoraproject.org/rpms/akonadi-server.git /var/lib/mock/f41-build-side-1-2631510-25716/root/chroot_tmpdir/scmroot/akonadi-server
Cloning into '/var/lib/mock/f41-build-side-1-2631510-25716/root/chroot_tmpdir/scmroot/akonadi-server'...
$ git fetch origin 574e688f2ac4c0091aca137f24f0cc542f400a7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-server
 * [new ref]         574e688f2ac4c0091aca137f24f0cc542f400a7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 574e688 24.08.0