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exchange: move disabling of rev-branch-cache bundle part out of narrow...
exchange: move disabling of rev-branch-cache bundle part out of narrow I'm attempting to refactor changegroup code in order to better support alternate storage backends. The narrow extension is performing a lot of monkeypatching to this code and it is making it difficult to reason about how everything works. I'm reasonably certain I would be unable to abstract storage without requiring extensive rework of narrow. I believe it is less effort to move narrow code into core so it can be accounted for when changegroup code is refactored. So I'll be doing that. The first part of this is integrating the disabling of the cache:rev-branch-cache bundle2 part into core. This doesn't seem like it is related to changegroup, but narrow's modifications to changegroup are invasive and also require taking its code for bundle generation and exchange into core in order for the changegroup code to work. Differential Revision: https://phab.mercurial-scm.org/D4007

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notcapable
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Steven Brown
tests: add script to disable a selected wire protocol capability...
r14011 # Disable the $CAP wire protocol capability.
if test -z "$CAP"
then
echo "CAP environment variable not set."
fi
cat > notcapable-$CAP.py << EOF
Gregory Szorc
wireproto: use new peer interface...
r33805 from mercurial import extensions, localrepo, repository
Steven Brown
tests: add script to disable a selected wire protocol capability...
r14011 def extsetup():
Gregory Szorc
wireproto: use new peer interface...
r33805 extensions.wrapfunction(repository.peer, 'capable', wrapcapable)
Peter Arrenbrecht
peer: introduce real peer classes...
r17192 extensions.wrapfunction(localrepo.localrepository, 'peer', wrappeer)
def wrapcapable(orig, self, name, *args, **kwargs):
Peter Arrenbrecht
tests: support multiple caps in notcapable
r14409 if name in '$CAP'.split(' '):
Steven Brown
tests: add script to disable a selected wire protocol capability...
r14011 return False
return orig(self, name, *args, **kwargs)
Peter Arrenbrecht
peer: introduce real peer classes...
r17192 def wrappeer(orig, self):
# Since we're disabling some newer features, we need to make sure local
# repos add in the legacy features again.
return localrepo.locallegacypeer(self)
Steven Brown
tests: add script to disable a selected wire protocol capability...
r14011 EOF
echo '[extensions]' >> $HGRCPATH
echo "notcapable-$CAP = `pwd`/notcapable-$CAP.py" >> $HGRCPATH