forked from josch/mmdebstrap
37 lines
1.6 KiB
Bash
Executable file
37 lines
1.6 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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# we need to check the version of dpkg
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# since at this point packages are just extracted but not installed, we cannot use dpkg-query
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# since we want to support chrootless, we cannot run dpkg --version inside the chroot
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# to avoid this hook depending on dpkg-dev being installed, we do not parse the extracted changelog with dpkg-parsechangelog
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# we also want to avoid parsing the changelog because /usr/share/doc might've been added to dpkg --path-exclude
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# instead, we just ask apt about the latest version of dpkg it knows of
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# this should only fail in situations where there are multiple versions of dpkg in different suites
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ver=$(env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions dpkg 2>/dev/null | sed -ne 's/^Version: \(.*\)$/\1/p' || printf '')
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if [ -z "$ver" ]; then
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echo "no package called dpkg can be installed -- not running jessie-or-older extract00 hook" >&2
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exit 0
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fi
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if dpkg --compare-versions "$ver" ge 1.17.11; then
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echo "dpkg version $ver is >= 1.17.11 -- not running jessie-or-older extract00 hook" >&2
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exit 0
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else
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echo "dpkg version $ver is << 1.17.11 -- running jessie-or-older extract00 hook" >&2
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fi
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# resolve the script path using several methods in order:
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# 1. using dirname -- "$0"
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# 2. using ./hooks
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# 3. using /usr/share/mmdebstrap/hooks/
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for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
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if [ -x "$p/jessie-or-older/extract00.sh" ] && [ -x "$p/jessie-or-older/extract01.sh" ]; then
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"$p/jessie-or-older/extract00.sh" "$1"
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exit 0
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fi
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done
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echo "cannot find jessie-or-older hook anywhere" >&2
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exit 1
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