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Merge pull request #213 from chadasapp/master 

Typofix: required_env -> requiredEnv
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KUOKA Yusuke 2018-08-22 15:05:29 +09:00 committed by GitHub
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@ -90,7 +90,7 @@ releases:
Helmfile uses [Go templates](https://godoc.org/text/template) for templating your helmfile.yaml. While go ships several built-in functions, we have added all of the functions in the [Sprig library](https://godoc.org/github.com/Masterminds/sprig). Helmfile uses [Go templates](https://godoc.org/text/template) for templating your helmfile.yaml. While go ships several built-in functions, we have added all of the functions in the [Sprig library](https://godoc.org/github.com/Masterminds/sprig).
We also added one special template function: `requiredEnv`. We also added one special template function: `requiredEnv`.
The `required_env` function allows you to declare a particular environment variable as required for template rendering. The `requiredEnv` function allows you to declare a particular environment variable as required for template rendering.
If the environment variable is unset or empty, the template rendering will fail with an error message. If the environment variable is unset or empty, the template rendering will fail with an error message.
## Using environment variables ## Using environment variables