2022-01-12 14:21:36 -01:00
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#!/bin/sh
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set -e
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# fontconfig creates non-reproducible files with UUIDs
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# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864082
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#
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# Because the UUIDs should not be deleted, the proposed work-around is:
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# * Use LD_PRELOAD to replace uuid_generate_random with a less random version
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# Don't run if fontconfig is not installed
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if [ ! -e /usr/bin/fc-cache ];
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then
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exit 0
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fi
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2022-01-31 07:00:08 -01:00
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# Don't run if fontconfig is sufficiently new
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if dpkg --compare-versions $(dpkg-query --show --showformat '${Version}\n' fontconfig | head -1) ge 2.13.1-4.4~;
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then
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exit 0
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fi
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2022-01-12 14:21:36 -01:00
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# Don't run if the LD_PRELOAD module is not compiled
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if [ ! -e /usr/lib/unrandomize_uuid_generate_random.so ];
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then
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echo "P: $(basename $0) Reproducible hook inactive: The UUID module was not found"
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exit 0
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fi
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LD_PRELOAD=/usr/lib/unrandomize_uuid_generate_random.so /usr/bin/fc-cache --force --really-force --system-only --verbose
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echo "P: $(basename $0) Reproducible hook has been applied"
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