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optimization code

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This commit is contained in:
ysqi 2016-01-28 14:49:44 +08:00
parent 484ca3a643
commit 1222c87be3
1 changed files with 2 additions and 3 deletions
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5
config/config.go
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@ -119,9 +119,8 @@ func Getenv(env interface{}) (string, bool) {
// Onley support string key.
if key, ok := env.(string); ok {
if len(key) > len(envKeySign) && strings.HasPrefix(key, envKeySign) {
key = strings.TrimLeft(key, envKeySign)
return os.Getenv(key), true
if envKey := strings.TrimPrefix(key, envKeySign); envKey != key {
return os.Getenv(envKey), true
}
}
return "", false