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Allow setting the delimiter used for setting config via OS env, e.g. HUGO_

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Fixes #7829
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Bjørn Erik Pedersen 2020-11-24 14:11:42 +01:00
parent 8a6e706053
commit 7e223b3baa
4 changed files with 53 additions and 24 deletions
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docs/content/en/getting-started/configuration.md
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@ -427,6 +427,8 @@ Names must be prefixed with `HUGO_` and the configuration key must be set in upp
To set config params, prefix the name with `HUGO_PARAMS_`
{{% /note %}}
{{< new-in "0.79.0" >}} If you are using snake_cased variable names, the above will not work, so since Hugo 0.79.0 Hugo determines the delimiter to use by the first character after `HUGO`. This allows you to define environment variables on the form `HUGOxPARAMSxAPI_KEY=abcdefgh`, using any [allowed](https://stackoverflow.com/questions/2821043/allowed-characters-in-linux-environment-variable-names#:~:text=So%20names%20may%20contain%20any,not%20begin%20with%20a%20digit.) delimiter.
{{< todo >}}
Test and document setting params via JSON env var.
{{< /todo >}}