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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
commit | fd888e850cf413955483bfb993aeeea5ea611289 (patch) | |
tree | 6148fed3d1f30272c48403f4cdefa59c2b7e1513 /debian/tests/utils/debootstrap | |
parent | Adding upstream version 2:2.6.1. (diff) | |
download | cryptsetup-debian.tar.xz cryptsetup-debian.zip |
Adding debian version 2:2.6.1-4~deb12u2.debian/2%2.6.1-4_deb12u2debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/tests/utils/debootstrap')
-rwxr-xr-x | debian/tests/utils/debootstrap | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/debian/tests/utils/debootstrap b/debian/tests/utils/debootstrap new file mode 100755 index 0000000..258be5a --- /dev/null +++ b/debian/tests/utils/debootstrap @@ -0,0 +1,125 @@ +#!/bin/sh + +# Debootstrap a target system +# +# Copyright © 2021-2022 Guilhem Moulin <guilhem@debian.org> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +set -eu +PATH="/usr/sbin:/usr/bin:/sbin:/bin" +export PATH + +ESSENTIAL="/media/__essential__" +TEMPDIR="$(mktemp --tmpdir --directory "debootstrap.XXXXXXXXXX")" +trap "rm -rf -- \"$TEMPDIR\"" EXIT INT TERM + +sed -rn "/^Package:\\s*/I {s///;s/$/ install/p}" "$ESSENTIAL/Packages" >"$TEMPDIR/Packages.sel" + +install -m0644 /dev/null "/var/lib/dpkg/status" +dpkg --update-avail "$ESSENTIAL/Packages" +dpkg --set-selections <"$TEMPDIR/Packages.sel" + +mkdir -- "$TEMPDIR/dpkg" +mkdir -- "$TEMPDIR/dpkg/files" "$TEMPDIR/dpkg/depends" "$TEMPDIR/dpkg/pre-depends" + +# extract metadata (package names, file names, Depends and Pre-Depends +# for easier processing) +for deb in "$ESSENTIAL"/*.deb; do + pkg=$(dpkg-deb --show --showformat="\${Package}" "$deb") + case "$pkg" in + # special case: base-files Pre-Depends on awk but we only have mawk (or gawk) + mawk|gawk) pkg="awk";; + esac + printf "%s\\n" "$pkg" >>"$TEMPDIR/dpkg/avail" + printf "%s\\n" "$deb" >"$TEMPDIR/dpkg/files/$pkg" + dpkg-deb --show --showformat="\${Pre-Depends}\\n" "$deb" >"$TEMPDIR/predeps" + dpkg-deb --show --showformat="\${Depends}\\n" "$deb" >"$TEMPDIR/deps" + sed -ri "s/,\\s*/\\n/g" -- "$TEMPDIR/predeps" "$TEMPDIR/deps" + sed -i "s/[[:blank:]:].*//; /^[[:blank:]]*$/d" -- "$TEMPDIR/predeps" "$TEMPDIR/deps" + mv -T -- "$TEMPDIR/predeps" "$TEMPDIR/dpkg/pre-depends/$pkg" + mv -T -- "$TEMPDIR/deps" "$TEMPDIR/dpkg/depends/$pkg" +done + +if [ -L /bin ] && [ -L /sbin ] && [ -L /lib ]; then + # TODO remove this once Bookworm is released, assuming + # init-system-helpers no longer has "Depends: usrmerge | usr-is-merged" + sed -i "s/^usrmerge$/usr-is-merged/" -- "$TEMPDIR/dpkg/depends/init-system-helpers" +fi + +# recursively append dependencies to $OUT; abort and return 1 if one of +# the (recursive) dependency has an unsatisfied Pre-Depends +resolve_deps() { + local pkg="$1" dep + while read -r dep; do + if grep -Fxq -e "$dep" <"$TEMPDIR/dpkg/avail"; then + # $pkg has an unsatisfied Pre-Depends, can't proceed further + return 1 + fi + done <"$TEMPDIR/dpkg/pre-depends/$pkg" + while read -r dep; do + if grep -Fxq -e "$dep" <"$TEMPDIR/dpkg/avail" && ! grep -Fxq -e "$dep" <"$OUT"; then # break cycles + printf "%s\\n" "$dep" >>"$OUT" + resolve_deps "$dep" || return $? + fi + done <"$TEMPDIR/dpkg/depends/$pkg" + return 0 +} + +# dump to $OUT a list of packages that can be installed (only packages +# without unsatisfied pre-dependencies, and typically packages that are +# pre-dependencies of other packages) -- using `dpkg --predep-package` +# would be convenient but it doesn't work with recursive dependencies, +# cf. #539133 +can_install_next() { + local pkg + while read -r pkg; do + printf "%s\\n" "$pkg" >"$OUT" + if resolve_deps "$pkg"; then + return 0 + fi + done <"$TEMPDIR/dpkg/avail" + + echo "PANIC: No remaining dependencies are satisfiable!" >&2 + cat <"$TEMPDIR/dpkg/avail" >&2 + exit 1 +} + +# keep going until all available packages are installed +OUT="$TEMPDIR/pkg.list" +XARGS_IN="$TEMPDIR/deb.list" +while [ -s "$TEMPDIR/dpkg/avail" ]; do + can_install_next || exit 1 + + echo -n ">>> Installing: " >&2 + paste -sd" " <"$OUT" >&2 + + while read -r pkg; do + cat "$TEMPDIR/dpkg/files/$pkg" + done <"$OUT" >"$XARGS_IN" + xargs -a"$XARGS_IN" -d"\\n" dpkg -i + + grep -Fx -vf "$OUT" <"$TEMPDIR/dpkg/avail" >"$TEMPDIR/dpkg/avail.new" || true + mv -T -- "$TEMPDIR/dpkg/avail.new" "$TEMPDIR/dpkg/avail" +done + +echo apt apt >/var/lib/dpkg/cmethopt +echo "deb [trusted=yes] file:/media/dists /" >/etc/apt/sources.list +cat >/etc/apt/apt.conf.d/99debootstrap <<-EOF + Acquire::Languages "none"; + APT::Install-Recommends "false"; + APT::Install-Suggests "false"; +EOF + +apt-get -oAcquire::Languages="none" -oAPT::Sandbox::User="root" -qq update |