82 lines
3 KiB
Bash
Executable file
82 lines
3 KiB
Bash
Executable file
#!/bin/sh
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set -e
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case "${1}" in
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install|upgrade)
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mkdir -p /usr/lib/container/divert
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for FILE in halt poweroff reboot shutdown coldreboot
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do
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# DEP17 M18 duplicated diversion. Once trixie is
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# released, remove the aliased diversions in postinst
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# and only have the canonical one with --rename here.
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TRUENAME="$(dpkg-divert --truename "/sbin/${FILE}")"
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if [ "$(dpkg-divert --truename "/usr/sbin/${FILE}")" != "/usr/sbin/${FILE}" ]
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then
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: # Canonically diverted already. Nothing to rename.
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elif [ "${TRUENAME}" = "/lib/container/divert/${FILE}.orig.usr-is-merged" ]
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then
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: # Aliased diversion as expected. Nothing to rename.
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elif [ "${TRUENAME}" != "/sbin/${FILE}" ]
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then
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# Aliased diversion with earlier target. Fix target.
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dpkg-divert --remove --no-rename "/sbin/${FILE}"
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if [ -e "${DPKG_ROOT}${TRUENAME}" ] || [ -h "${DPKG_ROOT}${TRUENAME}" ]
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then
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mv "${DPKG_ROOT}${TRUENAME}" "${DPKG_ROOT}/lib/container/divert/${FILE}.orig.usr-is-merged"
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fi
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elif dpkg -S "/sbin/${FILE}" >/dev/null 2>&1
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then
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# Not diverted yet. Installed as aliased.
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mv "${DPKG_ROOT}/sbin/${FILE}" "${DPKG_ROOT}/lib/container/divert/${FILE}.orig.usr-is-merged"
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elif [ -e "${DPKG_ROOT}/usr/sbin/${FILE}" ] || [ -h "${DPKG_ROOT}/usr/sbin/${FILE}" ]
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then
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# Not diverted yet. Installed as canonical.
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mv "${DPKG_ROOT}/usr/sbin/${FILE}" "${DPKG_ROOT}/usr/lib/container/divert/${FILE}.orig"
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fi
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# All necessary moving has been done. Hence --no-rename.
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dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/lib/container/divert/${FILE}.orig.usr-is-merged" "/sbin/${FILE}"
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dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
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done
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for FILE in pm-hibernate pm-suspend pm-suspend-hybrid
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do
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TRUENAME="$(dpkg-divert --truename "/usr/sbin/${FILE}")"
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if [ "${TRUENAME}" = "/usr/sbin/${FILE}" ]
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then
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# Not diverted yet.
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dpkg-divert --package progress-linux-container --quiet --add --rename --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
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elif [ "${TRUENAME}" != "/usr/lib/container/divert/${FILE}.orig" ]
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then
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# Upgrading from pre-trixie. Update the diversion target from aliased to canonical.
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dpkg-divert --package progress-linux-container --quiet --remove --no-rename "/usr/sbin/${FILE}"
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dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
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if [ "${TRUENAME}" != "/lib/container/divert/${FILE}.orig" ]
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then
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# Diversion target differs in more than aliasing.
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if [ -e "${DPKG_ROOT}${TRUENAME}" ] || [ -h "${DPKG_ROOT}${TRUENAME}" ]
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then
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mv "${DPKG_ROOT}${TRUENAME}" "${DPKG_ROOT}/usr/lib/container/divert/${FILE}.orig"
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fi
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fi
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fi
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done
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;;
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abort-upgrade)
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;;
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*)
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echo "preinst called with unknown argument \`${1}'" >&2
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exit 1
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;;
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esac
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#DEBHELPER#
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exit 0
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