Enable PreserveSystemEssentialData on Upgrade/Uninstall

cmd/uninstall.go

@@ -89,6 +89,7 @@ var uninstallCmd = &cobra.Command{
 				FullCleanUninstall:          fullClean,
 				CheckConflicts:              checkconflicts,
 				Ask:                         !yes,
+				PreserveSystemEssentialData: true,
 			})
 
 			if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {

cmd/upgrade.go

@@ -92,6 +92,7 @@ var upgradeCmd = &cobra.Command{
 			SolverUpgrade:               universe,
 			RemoveUnavailableOnUpgrade:  clean,
 			UpgradeNewRevisions:         sync,
+			PreserveSystemEssentialData: true,
 			Ask:                         !yes,
 		})
 		inst.Repositories(repos)