$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-server.git /var/lib/mock/f40-build-2227364-53013/root/chroot_tmpdir/scmroot/kf5-akonadi-server
Cloning into '/var/lib/mock/f40-build-2227364-53013/root/chroot_tmpdir/scmroot/kf5-akonadi-server'...
$ git fetch origin 0110549caf240f9f8e45fc66c43d2f09fc0a0153:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-server
 * [new ref]         0110549caf240f9f8e45fc66c43d2f09fc0a0153 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0110549 Adapt to KAccounts API change