gjei9ohf

pkg/resolver/global_resolver.go

@@ -1,26 +1,44 @@
 package resolver
 
-import "sync"
+import (
+	"fmt"
+	"log"
+	"sync"
+)
 
 var (
 	globalResolver *FastResolver
 	resolverOnce   sync.Once
+	resolverErr    error
 )
 
-// GetGlobalResolver returns singleton resolver instance
+// GetGlobalResolver returns a singleton FastResolver instance.
+// Sources.xz will only be parsed once per process.
 func GetGlobalResolver(cacheDir, mirror, suite, component string) (*FastResolver, error) {
-	var err error
 
 	resolverOnce.Do(func() {
+
+		log.Println("[resolver] Initializing global resolver (loading package index)")
+
 		r := NewFastResolver(cacheDir)
 
-		err = r.LoadIndex(mirror, suite, component)
-		if err != nil {
+		if err := r.LoadIndex(mirror, suite, component); err != nil {
+			resolverErr = fmt.Errorf("failed to load package index: %w", err)
 			return
 		}
 
 		globalResolver = r
+
+		log.Println("[resolver] Global resolver initialized successfully")
 	})
 
-	return globalResolver, err
+	if resolverErr != nil {
+		return nil, resolverErr
+	}
+
+	if globalResolver == nil {
+		return nil, fmt.Errorf("resolver initialization failed")
+	}
+
+	return globalResolver, nil
 }