forked from josch/mmdebstrap
add jessie-or-older extract hook
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parent
a7b7e16033
commit
2b832e0128
4 changed files with 100 additions and 2 deletions
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@ -354,3 +354,7 @@ Needs-QEMU: true
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Test: pivot_root
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Modes: root unshare
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Needs-QEMU: true
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Test: jessie-or-older
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Needs-QEMU: true
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Variants: essential apt minbase
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48
hooks/jessie-or-older/extract00.sh
Executable file
48
hooks/jessie-or-older/extract00.sh
Executable file
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@ -0,0 +1,48 @@
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#!/bin/sh
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set -eu
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if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 3 ]; then
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set -x
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fi
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TARGET="$1"
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for f in available diversions cmethopt; do
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if [ ! -e "$TARGET/var/lib/dpkg/$f" ]; then
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touch "$TARGET/var/lib/dpkg/$f"
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fi
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done
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if [ -z "${MMDEBSTRAP_ESSENTIAL+x}" ]; then
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MMDEBSTRAP_ESSENTIAL=
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for f in "$TARGET/var/cache/apt/archives/"*.deb; do
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[ -f "$f" ] || continue
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f="${f#"$TARGET"}"
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MMDEBSTRAP_ESSENTIAL="$MMDEBSTRAP_ESSENTIAL $f"
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done
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fi
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fname_base_passwd=
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fname_base_files=
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fname_dpkg=
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for pkg in $MMDEBSTRAP_ESSENTIAL; do
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pkgname=$(dpkg-deb --show --showformat='${Package}' "$TARGET/$pkg")
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# shellcheck disable=SC2034
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case $pkgname in
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base-passwd) fname_base_passwd=$pkg;;
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base-files) fname_base_files=$pkg;;
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dpkg) fname_dpkg=$pkg;;
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esac
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done
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for var in base_passwd base_files dpkg; do
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eval 'val=$fname_'"$var"
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[ -z "$val" ] && continue
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chroot "$TARGET" dpkg --install --force-depends "$val"
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done
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# shellcheck disable=SC2086
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chroot "$TARGET" dpkg --unpack --force-depends $MMDEBSTRAP_ESSENTIAL
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chroot "$TARGET" dpkg --configure --pending
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11
mmdebstrap
11
mmdebstrap
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@ -1541,8 +1541,9 @@ sub setup_mounts {
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}
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sub run_hooks {
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my $name = shift;
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my $options = shift;
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my $name = shift;
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my $options = shift;
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my $essential_pkgs = shift;
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if (scalar @{ $options->{"${name}_hook"} } == 0) {
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return;
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@ -1601,6 +1602,12 @@ sub run_hooks {
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push @env_opts,
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("MMDEBSTRAP_INCLUDE=" . (join ",", @escaped_includes));
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}
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# Give the extract hook access to the essential packages that are about to
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# be installed
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if ($name eq "extract" and scalar @{$essential_pkgs} > 0) {
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push @env_opts,
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("MMDEBSTRAP_ESSENTIAL=" . (join " ", @{$essential_pkgs}));
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}
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# Unset the close-on-exec flag, so that the file descriptor does not
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# get closed when we exec
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39
tests/jessie-or-older
Normal file
39
tests/jessie-or-older
Normal file
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@ -0,0 +1,39 @@
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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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if [ ! -e /mmdebstrap-testenv ]; then
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echo "this test modifies the system and should only be run inside a container" >&2
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exit 1
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fi
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adduser --gecos user --disabled-password user
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sysctl -w kernel.unprivileged_userns_clone=1
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export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }}
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filter() {
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./tarfilter \
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--path-exclude=/usr/bin/uncompress \
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--path-exclude=/var/cache/debconf/config.dat-old \
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--path-exclude=/var/cache/debconf/templates.dat-old \
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--path-exclude=/var/lib/dpkg/available \
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--path-exclude=/var/lib/dpkg/cmethopt \
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--path-exclude=/var/lib/dpkg/status-old \
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--path-exclude=/var/lib/shells.state
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}
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# base for comparison without jessie-or-older hook
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{{ CMD }} --mode=root --variant={{ VARIANT }} {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-root-normal.tar
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# root
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{{ CMD }} --mode=root --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-root.tar
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cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-root.tar
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rm /tmp/debian-chroot-root.tar
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# unshare
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runuser -u user -- {{ CMD }} --mode=unshare --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-unshare.tar
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cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-unshare.tar
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rm /tmp/debian-chroot-unshare.tar
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# fakechroot
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runuser -u user -- {{ CMD }} --mode=fakechroot --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-fakechroot.tar
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cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-fakechroot.tar
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rm /tmp/debian-chroot-fakechroot.tar
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rm /tmp/debian-chroot-root-normal.tar
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