postinst is in dbus 1.10.6-1ubuntu3.1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | #!/bin/sh
# Copyright © 2003 Colin Walters <walters@debian.org>
# Copyright © 2006 Sjoerd Simons <sjoerd@debian.org>
set -e
MESSAGEUSER=messagebus
MESSAGEHOME=/var/run/dbus
LAUNCHER=/usr/lib/dbus-1.0/dbus-daemon-launch-helper
# This is what the init script would do, but it's simpler (and less
# dependent on sysvinit vs. Upstart vs. etc.) if we do it directly.
reload_dbus_config() {
[ -S /var/run/dbus/system_bus_socket ] || return 0
dbus-send --print-reply --system --type=method_call \
--dest=org.freedesktop.DBus \
/ org.freedesktop.DBus.ReloadConfig > /dev/null || true
}
if [ "$1" = triggered ]; then
reload_dbus_config
exit 0
fi
if [ "$1" = configure ]; then
adduser --system \
--quiet \
--home "$MESSAGEHOME" \
--no-create-home \
--disabled-password \
--group "$MESSAGEUSER"
if [ "`dpkg-divert --listpackage "$LAUNCHER"`" = "dbus.new" ]; then
rm -f "$LAUNCHER"
dpkg-divert --remove --rename --package dbus.new --divert "$LAUNCHER.new" "$LAUNCHER" >/dev/null
fi
if ! dpkg-statoverride --list "$LAUNCHER" >/dev/null; then
dpkg-statoverride --update --add root "$MESSAGEUSER" 4754 "$LAUNCHER"
fi
# This is idempotent, so it's OK to do every time. The system bus' init
# script does this anyway, but you also have to do this before a session
# bus will work, so we do this here for the benefit of people starting
# a temporary session bus in a chroot
dbus-uuidgen --ensure
fi
if [ "$1" = configure ] && [ -n "$2" ]; then
# On upgrades, we only reload config, and don't restart (restarting the
# system bus is not supported by upstream). The code added by
# dh_installinit -r creates a start action, below.
# Recommend a reboot if there is a dbus-daemon running in the same root
# as us. Deliberately not using anything init-related here, to be
# init-agnostic: if we get a false positive (at least one dbus-daemon
# is running but it isn't the system bus) that isn't the end of the
# world, because it's probably a session bus, so the user needs to
# log out and back in anyway.
#
# Debian has /usr/bin/dbus-daemon, Ubuntu has /bin/dbus-daemon.
# Look for both.
if pidof -c /bin/dbus-daemon /usr/bin/dbus-daemon >/dev/null; then
echo "A reboot is required to replace the running dbus-daemon." >&2
echo "Please reboot the system when convenient." >&2
# trigger an update notification that recommends a reboot
# (used by unattended-upgrades etc.)
touch /var/run/reboot-required || true
# same thing for the older update-notifier interface
[ -x /usr/share/update-notifier/notify-reboot-required ] && \
/usr/share/update-notifier/notify-reboot-required || true
fi
# Create a symlink from the old bus setup to the new locations, so that
# dbus-daemon (<< 1.9.18) can reload successfully even though dbus
# does not support re-exec'ing itself. These are deliberately not
# conffiles so that they won't interfere with us removing the old
# conffile or moving it out of the way.
#
# Keep this until upgrades from versions << 1.9.18 are no longer
# supported (it can be removed after Debian 9 is released). It is not
# conditional on the version in $2, because we could conceivably
# have upgraded 1.8.x -> 1.10.0-1 -> 1.10.0-4 without an intervening
# reboot.
ln -fns /usr/share/dbus-1/session.conf /etc/dbus-1/session.conf
ln -fns /usr/share/dbus-1/system.conf /etc/dbus-1/system.conf
fi
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
# In case this system is running systemd, we need to ensure that all
# necessary tmpfiles (if any) are created before starting.
if [ -d /run/systemd/system ] ; then
systemd-tmpfiles --create /usr/lib/tmpfiles.d/dbus.conf >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
if [ -x "/etc/init.d/dbus" ]; then
update-rc.d dbus defaults >/dev/null || exit $?
fi
fi
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/dbus-1/session.conf 1.10.0-4~ dbus -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/dbus-1/system.conf 1.10.0-4~ dbus -- "$@"
# End automatically added section
# Do this after the debhelper-generated bits so that dpkg-maintscript-helper
# will have finished moving configuration files around. We only need to do
# this for upgrades, not new installations.
if [ "$1" = configure ] && [ -n "$2" ]; then
reload_dbus_config
fi
# We don't start dbus.service in postinst, so ensure dbus.socket is running
if [ "$1" = configure ] && [ -d /run/systemd/system ]; then
systemctl try-restart sockets.target || true
fi
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