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add hooks/maybe-jessie-or-older and hooks/maybe-merged-usr

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Johannes Schauer Marin Rodrigues 2023-01-16 08:15:07 +01:00
parent 21c677c7f4
commit 5bab4c1945
Signed by: josch
GPG key ID: F2CBA5C78FBD83E1
4 changed files with 111 additions and 0 deletions
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28
hooks/maybe-jessie-or-older/extract00.sh Executable file
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#!/bin/sh
set -eu
# if dpkg is new enough, do nothing
# we cannot ask dpkg-query about the version because dpkg is only extracted
# but not installed at this point
dpkg_ver="$(chroot "$1" dpkg --version | grep --extended-regexp --only-matching '[0-9]+\.[0-9.]+')"
if dpkg --compare-versions "$dpkg_ver" ge 1.17.11; then
echo "dpkg version $dpkg_ver is >= 1.17.11 -- not running jessie-or-older extract00 hook" >&2
exit 0
else
echo "dpkg version $dpkg_ver is << 1.17.11 -- running jessie-or-older extract00 hook" >&2
fi
# resolve the script path using several methods in order:
# 1. using dirname -- "$0"
# 2. using ./hooks
# 3. using /usr/share/mmdebstrap/hooks/
for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
if [ -x "$p/jessie-or-older/extract00.sh" ] && [ -x "$p/jessie-or-older/extract01.sh" ]; then
"$p/jessie-or-older/extract00.sh" "$1"
exit 0
fi
done
echo "cannot find jessie-or-older hook anywhere" >&2
exit 1

31
hooks/maybe-jessie-or-older/extract01.sh Executable file
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#!/bin/sh
set -eu
# If the init package has not been extracted, then it is not part of the
# Essential:yes set and we do not need this workaround. This holds true for the
# init package version 1.34 and later. Instead of asking apt about the init
# version (which might not be the same version that was picked to be installed)
# we check for the presence of the init package by checking whether
# /usr/share/doc/init/copyright exists.
if [ -e "$1/usr/share/doc/init/copyright" ]; then
echo "the init package is not Essential:yes -- not running jessie-or-older extract01 hook" >&2
exit 0
else
echo "the init package is Essential:yes -- running jessie-or-older extract01 hook" >&2
fi
# resolve the script path using several methods in order:
# 1. using dirname -- "$0"
# 2. using ./hooks
# 3. using /usr/share/mmdebstrap/hooks/
for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
if [ -x "$p/jessie-or-older/extract00.sh" ] && [ -x "$p/jessie-or-older/extract01.sh" ]; then
"$p/jessie-or-older/extract01.sh" "$1"
exit 0
fi
done
echo "cannot find jessie-or-older hook anywhere" >&2
exit 1

25
hooks/maybe-merged-usr/essential00.sh Executable file
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#!/bin/sh
set -eu
# if the usr-is-merged package cannot be installed with apt, do nothing
if ! env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
echo "no package called usr-is-merged found -- not running merged-usr essential hook" >&2
exit 0
else
echo "package usr-is-merged found -- running merged-usr essential hook" >&2
fi
# resolve the script path using several methods in order:
# 1. using dirname -- "$0"
# 2. using ./hooks
# 3. using /usr/share/mmdebstrap/hooks/
for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
if [ -x "$p/merged-usr/setup00.sh" ] && [ -x "$p/merged-usr/essential00.sh" ]; then
"$p/merged-usr/essential00.sh" "$1"
exit 0
fi
done
echo "cannot find merged-usr hook anywhere" >&2
exit 1

27
hooks/maybe-merged-usr/setup00.sh Executable file
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#!/bin/sh
set -eu
env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-get update --error-on=any
# if the usr-is-merged package cannot be installed with apt, do nothing
if ! env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
echo "no package called usr-is-merged found -- not running merged-usr setup hook" >&2
exit 0
else
echo "package usr-is-merged found -- running merged-usr setup hook" >&2
fi
# resolve the script path using several methods in order:
# 1. using dirname -- "$0"
# 2. using ./hooks
# 3. using /usr/share/mmdebstrap/hooks/
for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
if [ -x "$p/merged-usr/setup00.sh" ] && [ -x "$p/merged-usr/essential00.sh" ]; then
"$p/merged-usr/setup00.sh" "$1"
exit 0
fi
done
echo "cannot find merged-usr hook anywhere" >&2
exit 1