forked from josch/mmdebstrap
40 lines
1.3 KiB
Text
40 lines
1.3 KiB
Text
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#!/bin/sh
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set -eu
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export LC_ALL=C.UTF-8
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cat << SCRIPT > /tmp/checkeatmydata.sh
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#!/bin/sh
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set -exu
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cat << EOF | diff - "\$1"/usr/bin/dpkg
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#!/bin/sh
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exec /usr/bin/eatmydata /usr/bin/dpkg.distrib "\\\$@"
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EOF
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[ -e "\$1"/usr/bin/eatmydata ]
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SCRIPT
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chmod +x /tmp/checkeatmydata.sh
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# first four bytes: magic
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elfheader="\\177ELF"
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# fifth byte: bits
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case "$(dpkg-architecture -qDEB_HOST_ARCH_BITS)" in
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32) elfheader="$elfheader\\001";;
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64) elfheader="$elfheader\\002";;
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*) echo "bits not supported"; exit 1;;
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esac
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# sixth byte: endian
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case "$(dpkg-architecture -qDEB_HOST_ARCH_ENDIAN)" in
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little) elfheader="$elfheader\\001";;
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big) elfheader="$elfheader\\002";;
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*) echo "endian not supported"; exit 1;;
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esac
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# seventh and eigth byte: elf version (1) and abi (unset)
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elfheader="$elfheader\\001\\000"
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{{ CMD }} --mode=root --variant=apt \
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--customize-hook=/tmp/checkeatmydata.sh \
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--essential-hook=/tmp/checkeatmydata.sh \
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--extract-hook='printf "'"$elfheader"'" | cmp --bytes=8 - "$1"/usr/bin/dpkg' \
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--hook-dir=./hooks/eatmydata \
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--customize-hook='printf "'"$elfheader"'" | cmp --bytes=8 - "$1"/usr/bin/dpkg' \
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{{ DIST }} /tmp/debian-chroot {{ MIRROR }}
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tar -C /tmp/debian-chroot --one-file-system -c . | tar -t | sort | diff -u tar1.txt -
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rm /tmp/checkeatmydata.sh
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rm -r /tmp/debian-chroot
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