cups-ppd-source.sh

#!/bin/sh

# Find model names current PPDs were installed from

set -e

tmpdir=$(mktemp --tmpdir -d cups-ppd-source-XXXXXXX)
trap 'rm -rf "${tmpdir}"' EXIT

ppd_updater () {
	local driverregexp="$1"
	local gennicknameregexp="$2"
	local pkg="$3"

	[ ! -z "$gennicknameregexp" ] && \
		gennicknameregexp="; $gennicknameregexp"
	gennicknameregexp='s/\s*\(recommended\)//'"$gennicknameregexp"
	grep -E $driverregexp "${tmpdir}/all_drivers" > "${tmpdir}/pkg_drivers" || :
	cd /etc/cups/ppd
	for ppd in *.ppd; do
		[ -r "$ppd" ] || continue
		queue=${ppd%.ppd}
		nickname=`grep '\*NickName:' "$ppd" | cut -d '"' -f 2 | perl -p -e 's/\n$//' | perl -p -e "$gennicknameregexp"`
		regex_nickname=`printf '%s' "${nickname}" | perl -p -e 's/(\W)/\\\\$1/g'`
		lang=`grep '\*LanguageVersion:' "$ppd" | cut -d ' ' -f 2 | perl -e 'print lc(<>)' | perl -p -e 's/[\r\n]//gs'`
		cat "${tmpdir}/pkg_drivers" | perl -p -e "$gennicknameregexp; s/\n*$/\n/s" | grep -E '^\S+\s+.*'"${regex_nickname}"'$' | cut -d ' ' -f 1 > "${tmpdir}/ppd_possible_uris"
		if [ -s "${tmpdir}/ppd_possible_uris" ]; then
			echo >&2 "Possible PPD URIs for ${queue} (nickname '${nickname}', lang='${lang}', pkg='${pkg}'):"
			cat "${tmpdir}/ppd_possible_uris"
		fi
	done
	return 0
}

lpinfo -h /var/run/cups/cups.sock -m > "${tmpdir}/all_drivers"

ppd_updater 'lsb/usr/cups-included/|drv:///sample.drv/' 's/,\s*\d+\.\d+[\d\.]*$//i' '<cups included>'
for driverfile in `ls /usr/share/cups/ppd-updaters`; do
	. "/usr/share/cups/ppd-updaters/${driverfile}"
	ppd_updater "${DRIVER_REGEXP}" "${GENNICKNAME_REGEXP}" "${driverfile%.ppd-updater}"
done