fix nss: true

build.go

@@ -153,7 +153,7 @@ func buildContainer(tarfile string, buildOpts *buildOptions) bool {
 		return false
 	}
 
-	nss, err := PopulateNss(outputDir, pkg.User, pkg.Groups)
+	nss, err := PopulateNss(outputDir, pkg.User, pkg.Groups, pkg.Nss)
 	if err != nil {
 		logrus.Errorf("Failed to populate nss: %v", err)
 		return false

nss.go

@@ -26,10 +26,9 @@ const (
 // parameters.  This function will overwrite any existing passwd, group or
 // nsswitch.conf files. It returns true if the user string specified a
 // non-numeric user or group.
-
-func PopulateNss(outputDir string, user string, groups []string) (bool, error) {
-	uid, gid, u, g, nss := ParseUser(user)
-	if !nss && len(groups) == 0 {
+func PopulateNss(outputDir string, user string, groups []string, nss bool) (bool, error) {
+	uid, gid, u, g, n := ParseUser(user)
+	if !nss && !n && len(groups) == 0 {
 		return false, nil
 	}
 	etcDir := filepath.Join(outputDir, "etc")