Bjørn Erik Pedersen f7aeaa6129 Add a consolidated file cache ... This commits reworks how file caching is performed in Hugo. Now there is only one way, and it can be configured. This is the default configuration: ```toml [caches] [caches.getjson] dir = ":cacheDir" maxAge = -1 [caches.getcsv] dir = ":cacheDir" maxAge = -1 [caches.images] dir = ":resourceDir/_gen" maxAge = -1 [caches.assets] dir = ":resourceDir/_gen" maxAge = -1 ``` You can override any of these cache setting in your own `config.toml`. The placeholders explained: `:cacheDir`: This is the value of the `cacheDir` config option if set (can also be set via OS env variable `HUGO_CACHEDIR`). It will fall back to `/opt/build/cache/hugo_cache/` on Netlify, or a `hugo_cache` directory below the OS temp dir for the others. `:resourceDir`: This is the value of the `resourceDir` config option. `maxAge` is the time in seconds before a cache entry will be evicted, -1 means forever and 0 effectively turns that particular cache off. This means that if you run your builds on Netlify, all caches configured with `:cacheDir` will be saved and restored on the next build. For other CI vendors, please read their documentation. For an CircleCI example, see 6c3960a8f4/.circleci/config.yml Fixes #5404		2018-11-13 14:19:42 +01:00
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readers.go
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