This file is indexed.

postinst is in gpsd 3.16-4.

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/bash
# postinst script for gpsd

set -e

if [ "$1" = "configure" ] ; then

    if dpkg --compare-versions "$2" lt '3.10-1~' ; then
        # move config file back
        if [ -f /etc/default/gpsd.dpkg-pre_3.10 ]; then
            rm -f /etc/default/gpsd.dpkg-pre_3.10
        fi
    fi

    echo "Creating/updating gpsd user account..."
    adduser --system --ingroup dialout --home /run/gpsd \
            --gecos "GPSD system user" --shell /bin/false \
            --quiet --disabled-password gpsd || {
        # adduser failed. Why?
        if getent passwd gpsd >/dev/null ; then
            echo "Non-system user gpsd found. I will not overwrite a non-system" >&2
            echo "user.  Remove the user and reinstall gpsd." >&2
            exit 1
        fi
        # unknown adduser error, simply exit
        exit 1
    }


fi

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

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled gpsd.service; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable gpsd.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 gpsd.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask gpsd.socket >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled gpsd.socket; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable gpsd.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 gpsd.socket >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
	if [ -x "/etc/init.d/gpsd" ]; then
		update-rc.d gpsd defaults >/dev/null
		invoke-rc.d gpsd start || exit $?
	fi
fi
# End automatically added section


exit 0