108 lines
3.2 KiB
Bash
108 lines
3.2 KiB
Bash
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#!/bin/bash
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## Copyright (C) 2010 Red Hat, Inc.
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## Authors:
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## Tim Waugh <twaugh@redhat.com>
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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## Purpose: Update hpcups PPDs when necessary.
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sock=/var/run/cups/cups.sock
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running=$(LC_ALL=C lpstat -h "$sock" -r 2>/dev/null)
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if [ "$?" -ne 0 ]
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then
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# No lpstat in path
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exit 0
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fi
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if [ -z "${running##*not*}" ]
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then
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# scheduler is not running
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exit 0
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fi
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trap 'rm -f "$tmpdir"/models; rmdir "$tmpdir"; exit 0' \
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0 HUP INT QUIT ILL ABRT PIPE TERM
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debug=true
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tmpdir="$(mktemp -d)"
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for ppd in /etc/cups/ppd/*.ppd
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do
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[ -r "$ppd" ] || continue
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queue="${ppd#/etc/cups/ppd/}"
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queue="${queue%.ppd}"
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lpstat -h "$sock" -p "$queue" &>/dev/null || continue
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# We have PPD associated with a queue. Find out its NickName
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$debug && echo "Examining $queue"
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nickname="$(grep '^\*NickName:' "$ppd")"
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nickname="${nickname#*\"}" # strip text up to and incl first double quote
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nickname="${nickname%\"*}" # strip final double quote
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$debug && echo "NickName is: $nickname"
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# Is it an hpcups PPD?
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[ -z "${nickname##*, hpcups*}" ] || continue
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$debug && echo "hpcups: true"
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# No: need to regenerate the PPD.
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if [ ! -f "$tmpdir/models" ]
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then
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# Get list of driver URIs and NickNames
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lpinfo -h "$sock" --include-schemes=drv -m 2>/dev/null >"$tmpdir/models"
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fi
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# Strip hpcups version from NickName
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nickname="${nickname%, hpcups*}"
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$debug && echo "Stripped NickName: $nickname"
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while read line
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do
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uri=${line%% *}
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nn="${line#$uri }"
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[ -z "${nn##*, hpcups*}" ] || continue
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nn="${nn%, hpcups*}"
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if [ "$nn" == "$nickname" ]
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then
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$debug && echo "Match found, URI: $uri"
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# Unfortunately CUPS will reset the page size when we
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# change the PPD, due to the weird page size names that
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# HPLIP uses. Try to maintain the existing page size.
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size="$(grep '^\*DefaultPageSize:' "$ppd")"
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size="${size##* }" # strip until after first ' '
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size="${size%% *}" # strip after any ' '
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$debug && echo "PageSize is $size"
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if [ -z "${size#*Duplex}" ]
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then
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# Special handling for duplex sizes because HPLIP
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# broke backwards compatibility with *that* too!
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size="${size%Duplex}.Duplex"
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fi
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null=/dev/null
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$debug && null=/dev/stdout
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lpadmin -h "$sock" -p "$queue" -m "$uri" &>"$null" || :
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$debug && echo "PPD regenerated"
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lpadmin -h "$sock" -p "$queue" -o PageSize="$size" &>"$null" || :
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$debug && echo "PageSize restored to $size"
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break
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fi
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done <"$tmpdir/models"
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done
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exit 0
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