postinst is in cups-daemon 2.2.7-1ubuntu2.
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.
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set -e
if [ "$1" = configure ]; then
# Set up lpadmin group.
if [ -z "`getent group lpadmin`" ]; then
addgroup --system lpadmin
fi
for i in /etc/cups/classes.conf /etc/cups/printers.conf
do
if [ -f $i ] && ! dpkg-statoverride --list $i > /dev/null; then
chown root:lp $i; chmod 600 $i
fi
done
# Enforce the ConfigFilePerm on ppd file if we upgrade to 2.1.x
if dpkg --compare-versions "$2" lt-nl "2.1.0-2~"; then
configfileperm=`egrep '^ConfigFilePerm ' /etc/cups/cupsd.conf | awk '{print $2}' | tail -n 1`
if [ -z "$configfileperm" ]; then
configfileperm=0640
fi
if [ -d /etc/cups/ppd ]; then
for i in /etc/cups/ppd/*
do
if [ -f $i ]; then
chown root:lp $i
chmod $configfileperm $i
fi
done
fi
fi
# Manage printcap file and associated symlinks
if [ -e /etc/cups/cupsd.conf ]; then
if [ -e /etc/printcap.cups ]; then
rm -f /etc/printcap.cups
fi
if [ -L /etc/printcap -a ! -e /etc/printcap ]; then
rm -f /etc/printcap
fi
printcap_file=`egrep '^Printcap ' /etc/cups/cupsd.conf | awk '{print $2}' | tail -n 1`
if [ -z "$printcap_file" ]; then
printcap_file=/run/cups/printcap
fi
if [ ! -e /etc/printcap -a -e $printcap_file ]; then
ln -s $printcap_file /etc/printcap
fi
fi
# Create default cupsd.conf if it doesn't exist
if [ ! -r /etc/cups/cupsd.conf ]; then
cp /usr/share/cups/cupsd.conf.default /etc/cups/cupsd.conf
fi
fi
# Automatically added by dh_apparmor/2.12-4ubuntu4
aa_is_enabled() {
if command aa-enabled >/dev/null 2>&1; then
# apparmor >= 2.10.95-2
aa-enabled --quiet 2>/dev/null
else
# apparmor << 2.10.95-2
# (This should be removed once Debian Stretch and Ubuntu 18.04 are out.)
rc=0
aa-status --enabled 2>/dev/null || rc=$?
[ "$rc" = 0 ] || [ "$rc" = 2 ]
fi
}
if [ "$1" = "configure" ]; then
APP_PROFILE="/etc/apparmor.d/usr.sbin.cupsd"
if [ -f "$APP_PROFILE" ]; then
# Add the local/ include
LOCAL_APP_PROFILE="/etc/apparmor.d/local/usr.sbin.cupsd"
test -e "$LOCAL_APP_PROFILE" || {
mkdir -p `dirname "$LOCAL_APP_PROFILE"`
install --mode 644 /dev/null "$LOCAL_APP_PROFILE"
}
# Reload the profile, including any abstraction updates
if aa_is_enabled; then
apparmor_parser -r -T -W "$APP_PROFILE" || true
fi
fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'cups.path' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'cups.path'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'cups.path' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'cups.path' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'cups.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'cups.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'cups.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'cups.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'cups.socket' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'cups.socket'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'cups.socket' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'cups.socket' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/cups/cupsd.conf.default 1.7.1-3\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/default/cups 1.7.1-6\~ -- "$@"
dpkg-maintscript-helper mv_conffile /etc/pam.d/cups-daemon /etc/pam.d/cups 1.7.3-2\~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/11.1.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/cups" ]; then
update-rc.d cups defaults >/dev/null
if [ -n "$2" ]; then
_dh_action=restart
else
_dh_action=start
fi
invoke-rc.d cups $_dh_action || exit 1
fi
fi
# End automatically added section
exit 0
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