[etwist] pass the repository to the root resource This is another step toward a cleaner instantiation scheme for the repo. The http test now pass an already created object to the etwist server instead of relying on the config cache. Related to #2249513

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−#! /bin/sh -e
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− 
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−case "$1" in
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−    remove)
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−	if [ -x "/etc/init.d/cubicweb-ctl" ]; then
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−	    invoke-rc.d cubicweb-ctl stop || true
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−	fi
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−    ;;
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−esac
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− 
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−#DEBHELPER#
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− 
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−exit 0