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resources: Add key to reources.GetRemote options map

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If set, `key` will be used as the only cache key element for the resource.

The default behaviour is to calculate the key based on the URL and all the options.

This means that you can now do:

```
{{ $cacheKey := print $url (now.Format "2006-01-02") }}
{{ $resource := resource.GetRemote $url (dict "key" $cacheKey) }}
```

Fixes #9755
This commit is contained in:
Bjørn Erik Pedersen
2022-04-11 10:34:08 +02:00
parent f8c4e1690a
commit 2dbdf38a54
5 changed files with 70 additions and 1 deletions
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13
docs/content/en/hugo-pipes/introduction.md
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@@ -53,6 +53,19 @@ With `resources.GetRemote`, the first argument is a remote URL:
`resources.Get` and `resources.GetRemote` return `nil` if the resource is not found.
### Caching
By default, Hugo calculates a cache key based on the `URL` and the `options` (e.g. headers) given.
{{< new-in "0.97.0" >}} You can override this by setting a `key` in the options map. This can be used to get more fine grained control over how often a remote resource is fetched, e.g.:
```go-html-template
{{ $cacheKey := print $url (now.Format "2006-01-02") }}
{{ $resource := resource.GetRemote $url (dict "key" $cacheKey) }}
```
### Error Handling
{{< new-in "0.91.0" >}}