144 lines
3.9 KiB
Plaintext
144 lines
3.9 KiB
Plaintext
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#!/bin/sh
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# See deb-postinst(5).
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set -e
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PROGNAME=dpkg
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. /usr/share/dpkg/sh/dpkg-error.sh
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setup_colors
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get_vendor()
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{
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local origin="$DPKG_ROOT/etc/dpkg/origins/default"
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local vendor
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if [ -e "$origin" ]; then
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vendor=$(sed -ne 's/^Vendor: *\([^ ]\+\) */\1/p' "$origin" | tr A-Z a-z)
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fi
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echo "${vendor:-default}"
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}
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check_merged_usr_via_aliased_dirs()
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{
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local vendor
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vendor=$(get_vendor)
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case "$vendor" in
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debian)
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# In Debian some people have gotten so offended by the following _warning_
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# that they have resorted to bullying and abuse. Life's too short, sorry.
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return
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;;
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ubuntu)
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# Ubuntu does not seem interested in it.
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return
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;;
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esac
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for d in /bin /sbin /lib /lib32 /libo32 /libx32 /lib64; do
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linkname="$(readlink $DPKG_ROOT$d || true)"
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if [ "$linkname" = "usr$d" ] || [ "$linkname" = "/usr$d" ]; then
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warning "This system uses merged-usr-via-aliased-dirs, going behind dpkg's"
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warning "back, breaking its core assumptions. This can cause silent file"
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warning "overwrites and disappearances, and its general tools misbehavior."
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warning "See <https://wiki.debian.org/Teams/Dpkg/FAQ#broken-usrmerge>."
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break
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fi
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done
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}
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# Version 1.21.0 had bogus handling of DPKG_ADMINDIR in update-alternatives,
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# and misplaced them, fix them up.
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fixup_misplaced_alternatives()
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(
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admindir=${DPKG_ADMINDIR:-/var/lib/dpkg}
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cd "$admindir"
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for file in *; do
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if ! [ -f "$file" ]; then
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# Ignore anything that is not a file.
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continue
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fi
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# Check whether this is a known file we do not want to act on.
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case "$file" in
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arch|\
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available|available-old|\
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cmethopt|methlock|\
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diversions|diversions-old|\
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lock|lock-frontend|\
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statoverride|statoverride-old|\
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status|status-old)
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# Ignore known files just to make sure.
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continue
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;;
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*)
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esac
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# Check whether the file looks like an alternative state file.
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mode="$(head -1 "$file")"
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case "$mode" in
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auto|manual)
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# Looks like a state file, we will handle this one.
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echo "Moving misplaced alternative state file $admindir/$file..."
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mv "$file" "alternatives/$file"
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;;
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*)
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warning "unknown dpkg database file $admindir/$file is not a misplaced alternative state... leaving as is"
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continue
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;;
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esac
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done
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)
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case "$1" in
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configure)
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fixup_misplaced_alternatives
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check_merged_usr_via_aliased_dirs
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;;
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abort-upgrade|abort-deconfigure|abort-remove)
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;;
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*)
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error "called with unknown argument '$1'"
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;;
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esac
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# Automatically added by dh_installsystemd/13.11.4
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if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
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# The following line should be removed in trixie or trixie+1
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deb-systemd-helper unmask 'dpkg-db-backup.timer' >/dev/null || true
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# was-enabled defaults to true, so new installations run enable.
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if deb-systemd-helper --quiet was-enabled 'dpkg-db-backup.timer'; then
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# Enables the unit on first installation, creates new
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# symlinks on upgrades if the unit file has changed.
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deb-systemd-helper enable 'dpkg-db-backup.timer' >/dev/null || true
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else
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# Update the statefile to add new symlinks (if any), which need to be
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# cleaned up on purge. Also remove old symlinks.
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deb-systemd-helper update-state 'dpkg-db-backup.timer' >/dev/null || true
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fi
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fi
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# End automatically added section
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# Automatically added by dh_installsystemd/13.11.4
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if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
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if [ -d /run/systemd/system ]; then
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systemctl --system daemon-reload >/dev/null || true
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if [ -n "$2" ]; then
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_dh_action=restart
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else
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_dh_action=start
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fi
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deb-systemd-invoke $_dh_action 'dpkg-db-backup.service' 'dpkg-db-backup.timer' >/dev/null || true
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fi
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fi
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# End automatically added section
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exit 0
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