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Optimization a error description

Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>

Yanqiang Miao authored on 2016/12/30 12:58:39
Showing 1 changed files
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@@ -58,7 +58,7 @@ func (ps *Store) GetV2Plugin(refOrID string) (*v2.Plugin, error) {
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 func (ps *Store) validateName(name string) error {
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 	for _, p := range ps.plugins {
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 		if p.Name() == name {
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-			return errors.Errorf("%v already exists", name)
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+			return errors.Errorf("plugin %q already exists", name)
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 		}
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 	}
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 	return nil