fix(gallery): do not attempt to delete duplicate files (#3031)

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

core/gallery/gallery.go

@@ -204,35 +204,34 @@ func DeleteModelFromSystem(basePath string, name string, additionalFiles []strin
 		log.Error().Err(err).Msgf("failed to read gallery file %s", configFile)
 	}
 
+	var filesToRemove []string
+
 	// Remove additional files
 	if galleryconfig != nil {
 		for _, f := range galleryconfig.Files {
 			fullPath := filepath.Join(basePath, f.Filename)
-			log.Debug().Msgf("Removing file %s", fullPath)
-			if e := os.Remove(fullPath); e != nil {
-				err = errors.Join(err, fmt.Errorf("failed to remove file %s: %w", f.Filename, e))
-			}
+			filesToRemove = append(filesToRemove, fullPath)
 		}
 	}
 
 	for _, f := range additionalFiles {
 		fullPath := filepath.Join(filepath.Join(basePath, f))
-		log.Debug().Msgf("Removing additional file %s", fullPath)
-		if e := os.Remove(fullPath); e != nil {
+		filesToRemove = append(filesToRemove, fullPath)
+	}
+
+	filesToRemove = append(filesToRemove, configFile)
+	filesToRemove = append(filesToRemove, galleryFile)
+
+	// skip duplicates
+	filesToRemove = utils.Unique(filesToRemove)
+
+	// Removing files
+	for _, f := range filesToRemove {
+		if e := os.Remove(f); e != nil {
 			err = errors.Join(err, fmt.Errorf("failed to remove file %s: %w", f, e))
 		}
 	}
 
-	log.Debug().Msgf("Removing model config file %s", configFile)
-
-	// Delete the model config file
-	if e := os.Remove(configFile); e != nil {
-		err = errors.Join(err, fmt.Errorf("failed to remove file %s: %w", configFile, e))
-	}
-
-	// Delete gallery config file
-	os.Remove(galleryFile)
-
 	return err
 }
 

pkg/utils/strings.go

@@ -18,3 +18,15 @@ func RandString(n int) string {
 	}
 	return string(b)
 }
+
+func Unique(arr []string) []string {
+	unique := make(map[string]bool)
+	var result []string
+	for _, item := range arr {
+		if _, ok := unique[item]; !ok {
+			unique[item] = true
+			result = append(result, item)
+		}
+	}
+	return result
+}