[master] 468a047 Expose is_hit to VCL as resp.is_hit

[Geoff Simmons]

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> commit 468a0472fa313dbff69269afc085957642011abc Author: Nils Goroll
> <nils.goroll at uplex.de <mailto:nils.goroll at uplex.de>> Date:   Tue
> Jan 6 22:24:21 2015 +0100
> 
> Expose is_hit to VCL as resp.is_hit

A very common idiom in just about every Varnish deployment anywhere is:

sub vcl_hit {
    set req.http.X-Cache = "HIT";
}

sub vcl_deliver {
    # ...

    if (req.http.X-Cache == "HIT") {
        # ... mumble ...
    }

    # ...
}

What would we gain from resp.is_hit that couldn't be solved that way?


Best,
Geoff
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