make 'force' urls work properly #54

Seems to not actually force a refresh as advertised.

A cache-invalidation problem.

Problem is invalidation depth. The idea of force is that everything on the page — and therefore everything the page depends on — would get reloaded. So the force signal needs to propagate through the calling chain (perhaps as a parameter) to prevent cached copies from being used.

Problem is invalidation depth. The idea of `force` is that everything on the page — and therefore everything the page depends on — would get reloaded. So the `force` signal needs to propagate through the calling chain (perhaps as a parameter) to prevent cached copies from being used.

Abandoned as useless.

The force URL was never going to work properly because it required temporary invalidation of two caches: the render cache (for output files) and the compile cache (for input files).

Instead I added a world:current-render-cache-active that if #f will always regenerate a new output page. When used in combination with the existing ``world:current-compile-cache-active(i.e., when both are#f`) the result is that every page is completely regenerated when it is requested through the project server.

This is more of a blunt instrument, but because these settings can be changed easily in the pollen.rkt, it's OK (the idea of force predated the implementation of configurable project values.)

The `force` URL was never going to work properly because it required temporary invalidation of two caches: the render cache (for output files) and the compile cache (for input files). Instead I added a `world:current-render-cache-active` that if `#f` will always regenerate a new output page. When used in combination with the existing ``world:current-compile-cache-active` (i.e., when both are `#f`) the result is that every page is completely regenerated when it is requested through the project server. This is more of a blunt instrument, but because these settings can be changed easily in the `pollen.rkt`, it's OK (the idea of `force` predated the implementation of configurable project values.)

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make 'force' urls work properly #54