make getPackagePaths private

util/packages.go

@@ -6,26 +6,6 @@ import (
 
 var packageList []Package
 
-// GetPackagePaths returns list of available packages, one for each version.
-func GetPackagePaths(packagesPath string) ([]string, error) {
-
-	files, err := ioutil.ReadDir(packagesPath)
-	if err != nil {
-		return nil, err
-	}
-
-	var packages []string
-	for _, f := range files {
-		if !f.IsDir() {
-			continue
-		}
-
-		packages = append(packages, f.Name())
-	}
-
-	return packages, nil
-}
-
 // GetPackages returns a slice with all existing packages.
 // The list is stored in memory and on the second request directly
 // served from memory. This assumes chnages to packages only happen on restart.
@@ -35,7 +15,7 @@ func GetPackages(packagesBasePath string) ([]Package, error) {
 		return packageList, nil
 	}
 
-	packagePaths, err := GetPackagePaths(packagesBasePath)
+	packagePaths, err := getPackagePaths(packagesBasePath)
 	if err != nil {
 		return nil, err
 	}
@@ -49,3 +29,23 @@ func GetPackages(packagesBasePath string) ([]Package, error) {
 	}
 	return packageList, nil
 }
+
+// getPackagePaths returns list of available packages, one for each version.
+func getPackagePaths(packagesPath string) ([]string, error) {
+
+	files, err := ioutil.ReadDir(packagesPath)
+	if err != nil {
+		return nil, err
+	}
+
+	var packages []string
+	for _, f := range files {
+		if !f.IsDir() {
+			continue
+		}
+
+		packages = append(packages, f.Name())
+	}
+
+	return packages, nil
+}