Revert changes to truth tables

The team is split on style preferences here. Revert to the original
switch format and disable the relevant check.

Makefile

@@ -220,6 +220,7 @@ lint:
 	golangci-lint run \
 		--disable-all \
 		--exclude-use-default \
+		--exclude='S1002: should omit comparison to bool constant' \
 		--skip-dirs vendor \
 		--uniq-by-line=false \
 		--max-same-issues=0 \

lib/auth/trustedcluster.go

@@ -63,7 +63,7 @@ func (a *AuthServer) UpsertTrustedCluster(trustedCluster services.TrustedCluster
 
 	// change state
 	switch {
-	case exists && enable:
+	case exists == true && enable == true:
 		log.Debugf("Enabling existing Trusted Cluster relationship.")
 
 		err := a.activateCertAuthority(trustedCluster)
@@ -78,7 +78,7 @@ func (a *AuthServer) UpsertTrustedCluster(trustedCluster services.TrustedCluster
 		if err != nil {
 			return nil, trace.Wrap(err)
 		}
-	case exists && !enable:
+	case exists == true && enable == false:
 		log.Debugf("Disabling existing Trusted Cluster relationship.")
 
 		err := a.deactivateCertAuthority(trustedCluster)
@@ -93,7 +93,7 @@ func (a *AuthServer) UpsertTrustedCluster(trustedCluster services.TrustedCluster
 		if err != nil {
 			return nil, trace.Wrap(err)
 		}
-	case !exists && enable:
+	case exists == false && enable == true:
 		log.Debugf("Creating enabled Trusted Cluster relationship.")
 
 		if err := a.checkLocalRoles(trustedCluster.GetRoleMap()); err != nil {
@@ -119,7 +119,7 @@ func (a *AuthServer) UpsertTrustedCluster(trustedCluster services.TrustedCluster
 			return nil, trace.Wrap(err)
 		}
 
-	case !exists && !enable:
+	case exists == false && enable == false:
 		log.Debugf("Creating disabled Trusted Cluster relationship.")
 
 		if err := a.checkLocalRoles(trustedCluster.GetRoleMap()); err != nil {

tool/tctl/common/resource_command.go

@@ -557,8 +557,17 @@ func (rc *ResourceCommand) getCollection(client auth.ClientI) (c ResourceCollect
 
 // UpsertVerb generates the correct string form of a verb based on the action taken
 func UpsertVerb(exists bool, force bool) string {
-	if exists && !force {
+	switch {
+	case exists == true && force == true:
+		return "created"
+	case exists == false && force == true:
+		return "created"
+	case exists == true && force == false:
 		return "updated"
+	case exists == false && force == false:
+		return "created"
+	default:
+		// Unreachable, but compiler requires this.
+		return "unknown"
 	}
-	return "created"
 }