From e0475d331ba59bb742903e6a1b88251b9b27f416 Mon Sep 17 00:00:00 2001 From: yuchangchun Date: Tue, 2 Jun 2015 21:03:05 +0800 Subject: [PATCH] add a more accurate error description for invalid tag name Signed-off-by: yuchangchun --- graph/tags/tags.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/graph/tags/tags.go b/graph/tags/tags.go index 1abb593db8..c4976f329b 100644 --- a/graph/tags/tags.go +++ b/graph/tags/tags.go @@ -18,7 +18,7 @@ func ValidateTagName(name string) error { return fmt.Errorf("tag name can't be empty") } if !validTagName.MatchString(name) { - return fmt.Errorf("Illegal tag name (%s): only [A-Za-z0-9_.-] are allowed, minimum 1, maximum 128 in length", name) + return fmt.Errorf("Illegal tag name (%s): only [A-Za-z0-9_.-] are allowed ('.' and '-' are NOT allowed in the initial), minimum 1, maximum 128 in length", name) } return nil }