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