$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-notes.git /var/lib/mock/f40-build-743627-111339/root/chroot_tmpdir/scmroot/kf5-akonadi-notes
Cloning into '/var/lib/mock/f40-build-743627-111339/root/chroot_tmpdir/scmroot/kf5-akonadi-notes'...
$ git fetch origin 4a6cb6698400cf44c629b7207cf38e95d4c92c42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-notes
 * [new ref]         4a6cb6698400cf44c629b7207cf38e95d4c92c42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a6cb66 23.08.2