mirror of
https://github.com/hasura/graphql-engine.git
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24 lines
580 B
Go
24 lines
580 B
Go
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package util
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import (
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"fmt"
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"strings"
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"github.com/spf13/pflag"
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"github.com/spf13/viper"
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)
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// ViperEnvPrefix - Env prefix to be used in viper
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const ViperEnvPrefix = "HASURA_GRAPHQL"
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// ViperEnvReplacer - Env replacer to be used in viper
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var ViperEnvReplacer = strings.NewReplacer(".", "_")
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// BindPFlag - binds flag with viper along with env usage
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func BindPFlag(v *viper.Viper, key string, f *pflag.Flag) {
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v.BindPFlag(key, f)
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key = ViperEnvReplacer.Replace(key)
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key = strings.ToUpper(ViperEnvPrefix + "_" + key)
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f.Usage = f.Usage + fmt.Sprintf(` (env "%s")`, key)
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}
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