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authorDavid Kalnischkies <david@kalnischkies.de>2017-08-12 16:21:13 +0200
committerDavid Kalnischkies <david@kalnischkies.de>2018-01-03 18:55:41 +0100
commitef9677831f62a1554a888ebc7b162517d7881116 (patch)
tree3d505f0f19291307a543c1b37dbc101f5af4515e /apt-pkg/cachefilter.cc
parent02567e3084d2faec92e8bf248e89fda6452e634b (diff)
allow a method to request auxiliary files
If a method needs a file to operate like e.g. mirror needs to get a list of mirrors before it can redirect the the actual requests to them. That could easily be solved by moving the logic into libapt directly, but by allowing a method to request other methods to do something we can keep this logic contained in the method and allow e.g. also methods which perform binary patching or similar things. Previously they would need to implement their own acquire system inside the existing one which in all likelyhood will not support the same features and methods nor operate with similar security compared to what we have already running 'above' the requesting method. That said, to avoid methods producing conflicts with "proper" files we are downloading a new directory is introduced to keep the auxiliary files in. [The message magic number 351 is a tribute to the german Grundgesetz article 35 paragraph 1 which defines that all authorities of the state(s) help each other on request.]
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