This file is indexed.

postinst is in brltty 5.0-2ubuntu2.

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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#! /bin/sh

set -e

if [ ! -e /etc/brlapi.key ]; then
    mcookie >/etc/brlapi.key
    chmod 0644 /etc/brlapi.key
fi
 
#update-rc.d brltty start 10 23 . > /dev/null

if type update-initramfs >/dev/null 2>&1; then
    update-initramfs -u
fi

# Recover from incorrect init.d script headers in version 4.0-8 and earlier
if [ "$1" = "configure" ] && dpkg --compare-versions "$2" le "4.0-8" \
   && [ -f /etc/rcS.d/S[0-9][0-9]brltty ] \
   && [ -f /etc/rc0.d/K[0-9][0-9]brltty ] \
   && [ -f /etc/rc6.d/K[0-9][0-9]brltty ] ; then
    update-rc.d -f brltty remove
fi

for i in brl-sk-all.ktb
do
	dpkg-maintscript-helper rm_conffile /etc/brltty/$i 4.4-9~ brltty -- "$@"
done

# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask brltty.service >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled brltty.service; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable brltty.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 brltty.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/brltty" ] || [ -e "/etc/init/brltty.conf" ]; then
	if [ ! -e "/etc/init/brltty.conf" ]; then
		update-rc.d brltty start 25 S . >/dev/null
	fi
	invoke-rc.d brltty start || exit $?
fi
# End automatically added section