branchcache: skip entries that are topological heads in the on disk file In the majority of cases, topological heads are also branch heads. We have efficient way to get the topological heads and efficient way to retrieve their branch information. So there is little value in putting them in the branch cache file explicitly. On the contrary, writing them explicitly tend to create very large cache file that are inefficient to read and update. So the branch cache v3 format is no longer including them. This changeset focus on the format aspect and have no focus on the performance aspect. We will cover that later.

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#!/usr/bin/env python3

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#

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# An example FastCGI script for use with flup, edit as necessary

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# Path to repo or hgweb config to serve (see 'hg help hgweb')

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config = b"/path/to/repo/or/config"

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# Uncomment and adjust if Mercurial is not installed system-wide

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# (consult "installed modules" path from 'hg debuginstall'):

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# import sys; sys.path.insert(0, "/path/to/python/lib")

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from mercurial import demandimport

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demandimport.enable()

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from mercurial.hgweb import hgweb

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from flup.server.fcgi import WSGIServer

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application = hgweb(config)

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WSGIServer(application).run()