chore: remove empty hivemind-lite

cmd/hivemind-lite/main.go

@@ -1,7 +0,0 @@
-package main
-
-import "fmt"
-
-func main() {
-	fmt.Println("hivemind lite")
-}

internal/config/config.go

@@ -9,6 +9,9 @@ import (
 	"github.com/BurntSushi/toml"
 )
 
+// TODO: make all configs have a codegen verification and merging
+// assume that 0 and "" are invalid values, i.e. use -1 for unset
+
 type Configs struct {
 	Master MasterConfig
 	Dns    DnsConfig

internal/registry/registry.go

@@ -123,6 +123,15 @@ func (r *Registry) RemoveNode(node types.Node) error {
 
 func (r *Registry) Set(nodes map[string]types.Node) error {
 	r.lock.Lock()
+	equalFunc := func(a, b types.Node) bool {
+		return a.Hostname == b.Hostname
+	}
+
+	if maps.EqualFunc(r.nodes, nodes, equalFunc) {
+		r.lock.Unlock()
+		return nil
+	}
+
 	r.nodes = maps.Clone(nodes)
 	snapshot := r.snapshot()
 	r.lock.Unlock()