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# Program entry point
#
# Copyright (C) 2015 Patrick "P. J." McDermott
#
# This program 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 3 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 should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -u
usage()
{
printf 'Usage: %s [option ...] <action>\n' "${0}"
}
help()
{
usage
cat <<EOF
Options:
-h Display this information
-V Display version information
-i {cli|tui} Select either a textual user interface or a command line
interface (default: cli)
-m <message> Show <message> in the user interface
-o <file> Log output to <file>
Actions:
update Update firmware
EOF
}
version()
{
cat <<EOF
firman ${PACKAGE_VERSION}
Copyright (C) 2015 Patrick "P. J." McDermott
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
EOF
}
main()
{
local opt=
local ui='cli'
local msg=''
local action=
unset OPTARG
while getopts 'hVi:m:o:' opt; do
case "${opt}" in
'h')
help
exit
;;
'V')
version
exit
;;
'i')
ui="${OPTARG}"
;;
'm')
msg="${OPTARG}"
;;
'o')
log_init "${OPTARG}"
;;
esac
unset OPTARG
done
shift $(($OPTIND - 1))
if [ ${#} -ne 1 ]; then
usage >&2
exit 1
fi
action="${1}"
case "${action}" in
'update');;
*)
usage >&2
exit 1
esac
if ! init_ui "${ui}"; then
exit 1
fi
if [ "x${msg}" != 'x' ]; then
message "${msg}"
fi
srand $(expr ${$} + $(date '+%s'))
init_temp_dir
case "${action}" in
'update')
do_update
;;
esac
info 'Exiting'
fini_temp_dir
exit_ui
return 0
}
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