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Diffstat (limited to 'utils/iscan-registry.in')
| -rw-r--r-- | utils/iscan-registry.in | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/utils/iscan-registry.in b/utils/iscan-registry.in new file mode 100644 index 0000000..1f48630 --- /dev/null +++ b/utils/iscan-registry.in @@ -0,0 +1,167 @@ +#! /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 |