Convert Golang compliant flags to POSIX compliant #2030
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Golang flags don't distinguish between single-hyphen and double-hyphen flags. POSIX compliant flags that are supported by pflag and Cobra however require flags to be prefixed with double hyphens. So, augment the flags in os.Args by converting the single-hyphen flags to double-hyphen ones so that they can be consumed by Cobra and Viper.
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