# simple cache-warming via sitemap

This small command line tool can be used to warm CDNs or website caches, based on a sitemap.

```
USAGE:
    heater [OPTIONS] <sitemap_url>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
        --header <HEADER:VALUE>...           header variation
        --language <IEFT language tag>...    language tags will be used to generate all possible permutations of these
                                             languages, including their order

ARGS:
    <sitemap_url>    sitemap URL
```


## installation

For now, it can be simply installed globally via `cargo install heater`.

## examples

* `heater http://site/sitemap.xml`
  will read the pages in the sitemap and request all of them

* `heater http://site/sitemap.xml --header accept-language:en`
  will set the accept-language header to `en` for the requests. Any header can be set.

* `heater http://site/sitemap.xml --header accept-language:en --header accept-language:de`
  will request all the pages with **both** possible `accept-language` headers.

* `heater http://site/sitemap.xml --language de --language en`
  will request accept-language with permutations for these languages: `de`, `en`, `en, de`, `en,de`.