This file is indexed.

postinst is in gsm-utils 1.10+20120414.gita5e5ae9a-0.3build1.

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 -e

# create gsmsms group if necessary.
if ! grep -q ^gsmsms: /etc/group; then
#      echo Adding system group: gsmsms.
       addgroup --system gsmsms
fi

# create gsmsms user if necessary.
if ! grep -q ^gsmsms: /etc/passwd; then
#        echo Adding system user: gsmsms.
        adduser --system --ingroup gsmsms \
                --no-create-home --home /var/spool/sms gsmsms
fi

# allow gsmsms to use serial lines
if ! groups gsmsms | grep -q dialout ; then
        adduser gsmsms dialout
fi

# echo Updating spool directory structure: /var/spool/sms
chown -R gsmsms:gsmsms /var/spool/sms
chmod 700 /var/spool/sms/*
chmod 750 /var/spool/sms
chmod 730 /var/spool/sms/queue* /var/spool/sms/tmp

# Add the rest automatically..
# 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/gsm-utils" ]; then
		update-rc.d gsm-utils defaults >/dev/null
		invoke-rc.d gsm-utils start || exit 1
	fi
fi
# End automatically added section