extensions: recommend against using wrapfunction for repo methods Instead, all extensions should use the "dynamic subclass" trick: subclass repo.__class__ and then replace repo.__class__ with your new subclass. This avoids conflicts that happen when one extension uses wrapfunction and another uses subclassing to extend the same method of localrepository.

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#!/bin/sh

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"$TESTDIR/hghave" fifo || exit 80

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hg init

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mkfifo p

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hg serve --stdio < p &

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P=$!

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(echo lock; echo addchangegroup; sleep 5) > p &

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Q=$!

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sleep 3

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kill -HUP $P

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wait

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echo .hg/* .hg/store/*