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#! /bin/sh
# iscan-registry.in -- adds/removes information from "sub"packages
# Copyright (C) 2008 SEIKO EPSON CORPORATION
#
# License: GPLv2+
# Authors: AVASYS CORPORATION
#
# This file is part of the 'Image Scan! for Linux' package.
# This package is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License or, at
# your option, any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You ought to have received a copy of the GNU General Public License
# along with this package. If not, see <http://www.gnu.org/licenses/>.
STATEDIR=@PKGLOCALSTATEDIR@
# Output a version blurb.
version () {
cat <<EOF
`basename $0` (@PACKAGE_NAME@) @PACKAGE_VERSION@
Copyright (C) 2008 @scm_src_vendor@
This is free software. You may redistribute copies of it under the
terms of the GNU General Public License, version 2 or later.
See <http://www.gnu.org/licenses/gpl.html> for details.
Written by @scm_src_author@.
EOF
if test xyes = x$1; then
echo
usage
fi
exit
}
# Shows script usage documentation and exits the program with the
# optional status passed as its first argument.
usage () {
cat <<EOF
'`basename $0`' updates the run-time data for @PACKAGE_NAME@
Usage: $0 --help | --version
$0 --add <spec>
$0 --remove <spec>
@PACKAGE_NAME@ plugins may need to (un)register themselves.
This utility gives plugins a common interface to do just that. You
should not need to use this utility manually.
The following options are supported:
-h, --help displays this message and exit
-v, --version displays program version and exit
-a, --add adds a plugin to the run-time data
-r, --remove removes a plugin from the run-time data
The following <spec>s are supported:
interpreter usb <vendor-id> <product-id> <plugin> [<firmware>]
The <vendor-id> and <product-id> are the USB IDs in hexadecimal
notation, prefixed with '0x'. <plugin> and optional <firmware>
are pathnames to the corresponding files.
Note that the <plugin> pathname should not include an extension.
EOF
exit $1
}
show_help=no
show_vers=no
run_mode=
options=`getopt \
--options hvar \
--longopt help,version \
--longopt add,remove \
-- "$@"`
if test 0 != $?; then
echo "`basename $0`: error parsing command line options" >&2
usage 1
fi
# Sets and makes sure only a single run mode is specified.
set_run_mode () {
if test x$run_mode != x; then
echo "`basename $0`: use only one of --add and --remove" >&2
exit 1
fi
run_mode=$1
}
eval set -- "$options"
while test x-- != "x$1"; do
case "$1" in
-h|--help) show_help=yes; shift;;
-v|--version) show_vers=yes; shift;;
-a|--add) set_run_mode add; shift;;
-r|--remove) set_run_mode remove; shift;;
*)
echo "`basename $0`: internal inconsistency"
exit 1
;;
esac
done
shift # past the '--' marker
test xyes = x$show_vers && version $show_help
test xyes = x$show_help && usage
# If --version or --help was specified, we will have exited by now.
if test x$run_mode = x; then
echo "`basename $0`: at least one option is required" >&2
exit 1
fi
if test 5 -gt $# || test 6 -lt $#; then
echo "`basename $0`: not enough parameters" >&2
exit 1
fi
# Validate at least the first argument to avoid making arbitrary
# files in STATEDIR.
case "$1" in
interpreter)
config="$STATEDIR/$1"
chspec="$1 $2 $3 $4"
plugin="$5"
fwfile="$6"
;;
*)
echo "`basename $0`: $1 not supported" >&2
exit 1
;;
esac
case "$run_mode" in
add)
test -d "$STATEDIR" || mkdir -p "$STATEDIR"
echo "$chspec $plugin $fwfile" >> "$config"
;;
remove)
test -f "$config" || exit 0
pattern=`echo "$chspec $plugin $fwfile" | sed 's|/|\\\\/|g'`
first=`sed -n "/$pattern/{ =; q}" "$config"`
test -n "${first}" && sed -i "${first}d" "$config"
;;
*)
echo "`basename $0`: internal inconsistency" >&2
exit 1
;;
esac
|
