sudo pacman -S merkuro
error: failed to commit transaction (conflicting files)
merkuro: /usr/lib/qt5/qml/org/kde/akonadi/AgentConfigurationForm.qml exists in filesystem (owned by kalendar)
merkuro: /usr/lib/qt5/qml/org/kde/akonadi/CollectionComboBox.qml exists in filesystem (owned by kalendar)
merkuro: /usr/lib/qt5/qml/org/kde/akonadi/MobileCollectionComboBox.qml exists in filesystem (owned by kalendar)
merkuro: /usr/lib/qt5/qml/org/kde/akonadi/libakonadi_quick_plugin.so exists in filesystem (owned by kalendar)
merkuro: /usr/lib/qt5/qml/org/kde/akonadi/qmldir exists in filesystem (owned by kalendar)
merkuro: /usr/share/qlogging-categories5/akonadi.quick.categories exists in filesystem (owned by kalendar)
Errors occurred, no packages were upgraded.
Probably Kalenar should be in conflict with Merkuro?