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Don't call open("") backport #1362

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merged 1 commit into from Apr 22, 2022
Merged

Don't call open("") backport #1362

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6 changes: 4 additions & 2 deletions flag.go
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Expand Up @@ -338,8 +338,10 @@ func flagFromFileEnv(filePath, envName string) (val string, ok bool) {
}
}
for _, fileVar := range strings.Split(filePath, ",") {
if data, err := ioutil.ReadFile(fileVar); err == nil {
return string(data), true
if fileVar != "" {
if data, err := ioutil.ReadFile(fileVar); err == nil {
return string(data), true
}
}
}
return "", false
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