114 lines
4.3 KiB
Bash
Executable file
114 lines
4.3 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright 2020 Johannes Schauer Marin Rodrigues <josch@debian.org>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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# this script is part of debbisect and usually called by debbisect itself
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#
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# it accepts six or eight arguments:
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# 1. dependencies
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# 2. script name or shell snippet
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# 3. mirror URL
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# 4. architecture
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# 5. suite
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# 6. components
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# 7. (optional) second mirror URL
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# 8. (optional) package to upgrade
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#
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# It will create an ephemeral chroot using mmdebstrap using (3.) as mirror,
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# (4.) as architecture, (5.) as suite and (6.) as components, install the
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# dependencies given in (1.) and execute the script given in (2.).
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# Its output is the exit code of the script as well as a file ./pkglist
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# containing the output of "dpkg-query -W" inside the chroot.
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#
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# If not only six but eight arguments are given, then the second mirror URL
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# (7.) will be added to the apt sources and the single package (8.) will be
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# upgraded to its version from (7.).
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#
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# shellcheck disable=SC2016
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set -exu
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if [ $# -ne 6 ] && [ $# -ne 8 ]; then
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echo "usage: $0 depends script mirror1 architecture suite components [mirror2 toupgrade]"
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exit 1
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fi
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depends=$1
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script=$2
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mirror1=$3
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architecture=$4
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suite=$5
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components=$6
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# The following hacks are needed to go back as far as 2006-08-10:
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#
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# - Acquire::Check-Valid-Until "false" allows Release files with an expired
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# Valid-Until dates
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# - Apt::Key::gpgvcommand allows expired OpenPGP keys
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# - Apt::Hashes::SHA1::Weak "yes" allows OpenPGP keys with weak SHA1 signature
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# - /usr/share/keyrings lets apt use debian-archive-removed-keys.gpg
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# - /usr/share/mmdebstrap/hooks/jessie-or-older performs some setup that is
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# only required for Debian Jessie or older
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#
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if [ $# -eq 6 ]; then
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mmdebstrap \
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--verbose \
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--aptopt='Acquire::Check-Valid-Until "false"' \
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--aptopt='Apt::Key::gpgvcommand "/usr/libexec/mmdebstrap/gpgvnoexpkeysig"' \
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--aptopt='Apt::Hashes::SHA1::Weak "yes"' \
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--keyring=/usr/share/keyrings \
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--hook-dir=/usr/share/mmdebstrap/hooks/maybe-jessie-or-older \
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--hook-dir=/usr/share/mmdebstrap/hooks/maybe-merged-usr \
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--skip=check/signed-by \
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--variant=apt \
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--components="$components" \
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--include="$depends" \
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--architecture="$architecture" \
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--customize-hook='chroot "$1" sh -c "dpkg-query -W > /pkglist"' \
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--customize-hook='download /pkglist ./debbisect.'"$DEBIAN_BISECT_TIMESTAMP"'.pkglist' \
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--customize-hook='rm "$1"/pkglist' \
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--customize-hook='chroot "$1" dpkg-query --list | cat' \
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--customize-hook="$script" \
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"$suite" \
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- \
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"$mirror1" \
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>/dev/null
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elif [ $# -eq 8 ]; then
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mirror2=$7
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toupgrade=$8
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mmdebstrap \
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--verbose \
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--aptopt='Acquire::Check-Valid-Until "false"' \
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--aptopt='Apt::Key::gpgvcommand "/usr/libexec/mmdebstrap/gpgvnoexpkeysig"' \
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--aptopt='Apt::Hashes::SHA1::Weak "yes"' \
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--keyring=/usr/share/keyrings \
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--hook-dir=/usr/share/mmdebstrap/hooks/maybe-jessie-or-older \
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--hook-dir=/usr/share/mmdebstrap/hooks/maybe-merged-usr \
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--skip=check/signed-by \
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--variant=apt \
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--components="$components" \
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--include="$depends" \
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--architecture="$architecture" \
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--customize-hook='echo "deb '"$mirror2 $suite $(echo "$components" | tr ',' ' ')"'" > "$1"/etc/apt/sources.list' \
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--customize-hook='chroot "$1" apt-get update' \
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--customize-hook='chroot "$1" env DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true apt-get --yes install --no-install-recommends '"$toupgrade" \
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--customize-hook='chroot "$1" sh -c "dpkg-query -W > /pkglist"' \
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--customize-hook='download /pkglist ./debbisect.'"$DEBIAN_BISECT_TIMESTAMP.$toupgrade"'.pkglist' \
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--customize-hook='rm "$1"/pkglist' \
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--customize-hook='chroot "$1" dpkg-query --list | cat' \
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--customize-hook="$script" \
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"$suite" \
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- \
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"$mirror1" \
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>/dev/null
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fi
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