josch/mmdebstrap
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set DPkg::Chroot-Directory in APT_CONFIG

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This is so that users calling apt-get install from a hook only need to
have APT_CONFIG=$MMDEBSTRAP_APT_CONFIG set and do not also have to pass
-oDPkg::Chroot-Directory="$1".

This breaks users running apt-get with
DPkg::Options::=--force-script-chrootless or with Dpkg::Pre-Install-Pkgs
from within a hook with APT_CONFIG=$MMDEBSTRAP_APT_CONFIG.

In those situations, DPkg::Chroot-Directory has to be set to the empty
string explicitly with -o to overwrite the APT_CONFIG setting.

Thanks: Helmut Grohne
This commit is contained in:
Johannes Schauer Marin Rodrigues 2023-03-22 09:27:11 +01:00 committed by josch
parent 1ffa88b182
commit fd33bd2a40
3 changed files with 8 additions and 4 deletions
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3
hooks/merged-usr/essential00.sh
View file

@ -10,6 +10,7 @@ TARGET="$1"
if [ "${MMDEBSTRAP_MODE:-}" = "chrootless" ]; then
APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get --yes install \
-oDPkg::Chroot-Directory= \
-oDPkg::Options::=--force-not-root \
-oDPkg::Options::=--force-script-chrootless \
-oDPkg::Options::=--root="$TARGET" \
@ -20,7 +21,7 @@ if [ "${MMDEBSTRAP_MODE:-}" = "chrootless" ]; then
dpkg-query --showformat '${Source}\n' --show usr-is-merged | grep -q '^usrmerge$'
dpkg --compare-versions "1" "lt" "$(dpkg-query --showformat '${Version}\n' --show usr-is-merged)"
else
APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get --yes install -oDPkg::Chroot-Directory="$TARGET" usr-is-merged
APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get --yes install usr-is-merged
chroot "$TARGET" dpkg-query --showformat '${db:Status-Status}\n' --show usr-is-merged | grep -q '^installed$'
chroot "$TARGET" dpkg-query --showformat '${Source}\n' --show usr-is-merged | grep -q '^usrmerge$'
dpkg --compare-versions "1" "lt" "$(chroot "$TARGET" dpkg-query --showformat '${Version}\n' --show usr-is-merged)"

7
mmdebstrap
View file

@ -1116,6 +1116,8 @@ sub run_apt_download_progress {
"-oDebug::NoLocking=1",
# no need for pty magic if we write no log
"-oDpkg::Use-Pty=0",
# unset this or otherwise "cat >&$fd" will fail
"-oDPkg::Chroot-Directory=",
),
@{ $options->{APT_ARGV} },
],
@ -2022,6 +2024,7 @@ sub run_setup() {
print $conf "Apt::Architectures \"$options->{nativearch}\";\n";
}
print $conf "Dir \"$options->{root}\";\n";
print $conf "DPkg::Chroot-Directory \"$options->{root}\";\n";
# not needed anymore for apt 1.3 and newer
print $conf
"Dir::State::Status \"$options->{root}/var/lib/dpkg/status\";\n";
@ -2878,6 +2881,7 @@ sub run_essential() {
# Example: if the host has --path-exclude set, then this will also
# affect the chroot. See #808203
my @chrootless_opts = (
'-oDPkg::Chroot-Directory=',
'-oDPkg::Options::=--force-not-root',
'-oDPkg::Options::=--force-script-chrootless',
'-oDPkg::Options::=--root=' . $options->{root},
@ -3001,6 +3005,7 @@ sub run_install() {
if ($options->{mode} eq 'chrootless') {
if (scalar @pkgs_to_install > 0) {
my @chrootless_opts = (
'-oDPkg::Chroot-Directory=',
'-oDPkg::Options::=--force-not-root',
'-oDPkg::Options::=--force-script-chrootless',
'-oDPkg::Options::=--root=' . $options->{root},
@ -3054,8 +3059,6 @@ sub run_install() {
$options->{mode} eq 'fakechroot'
? ('-o', 'DPkg::Install::Recursive::force=true')
: (),
'-o',
"DPkg::Chroot-Directory=$options->{root}",
'--yes',
'install'
],

2
tests/not-having-to-install-apt-in-include-because-a-hook-did-it-before
View file

@ -4,6 +4,6 @@ export LC_ALL=C.UTF-8
trap "rm -f /tmp/debian-chroot.tar" EXIT INT TERM
{{ CMD }} --mode={{ MODE }} --variant=essential --include=apt \
--essential-hook='APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get update' \
--essential-hook='APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get --yes install -oDPkg::Chroot-Directory="$1" apt' \
--essential-hook='APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-get --yes install apt' \
{{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
tar -tf /tmp/debian-chroot.tar | sort | grep -v ./var/lib/apt/extended_states | diff -u tar1.txt -