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#! /bin/sh
# postinst script for cupsys-driver-gutenprint
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see /usr/doc/packaging-manual/
#
# quoting from the policy:
# Any necessary prompting should almost always be confined to the
# post-installation script, and should be protected with a conditional
# so that unnecessary prompting doesn't happen if a package's
# installation fails and the `postinst' is called with `abort-upgrade',
# `abort-remove' or `abort-deconfigure'.
#s/^if\s+\[\s+"\$1"\s+=\s+"configure"\s+\];\s+then\s+ldconfig\b//m;
if [ "$1" = "configure" ]; then
# Upgrade in-use PPD files
/usr/sbin/cups-genppdupdate
# Restart CUPSys (to register new and updated PPDs)
[ -x /etc/init.d/cupsys ] && invoke-rc.d cupsys force-reload || true
# Upgrade from obsolete epson and canon backends
LC_ALL=C lpstat -v |
while read devinfo; do
printer=$(echo $devinfo | sed -e 's;device for \(..*\): \(..*\):/\(.*\);\1;')
backend=$(echo $devinfo | sed -e 's;device for \(..*\): \(..*\):/\(.*\);\2;')
device=$(echo $devinfo | sed -e 's;device for \(..*\): \(..*\):/\(.*\);/\3;')
if [ "$backend" = "epson" ] || [ "$backend" = "canon" ]; then
echo "Backend $backend used by printer $printer is obsolete."
newbackend='parallel'
if ! echo "$device" | grep -q '^/dev'; then
newbackend='socket'
elif echo "$device" | grep -q 'usb'; then
newbackend='usb'
fi
echo "Updating $printer to use $newbackend backend: $newbackend:$device"
lpadmin -p "$printer" -v "$newbackend:$device"
lpstat -v "$printer"
else
echo "Backend $backend used by printer $printer is current."
fi
done
elif [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-remove" ] || [ "$1" = "abort-deconfigure" ]; then
:
else
echo "postinst called with unknown argument \`$1'" >&2
exit 0
fi
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
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