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#!/bin/bash
##############################################################################
# parabola-riscv64-bootstrap #
# #
# Copyright (C) 2018 Andreas Grapentin #
# #
# 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 -euo pipefail
# output formatting
export BO=$(tput bold)
export NO=$(tput sgr0)
export RE=$(tput setf 4)
export GR=$(tput setf 2)
export WH=$(tput setf 7)
# messaging functions
notify() {
# useful if running notify_telegram
local recipient=-211578786
if type -p notify-send >/dev/null; then
machinectl -q shell --uid=$SUDO_USER .host \
$(which notify-send) -h string:recipient:$recipient "$@" >/dev/null
fi
}
die() {
echo "$BO$RE==> ERROR:$WH $*$NO" 1>&2
notify -c error *Error:* "$(caller): $*"
trap - ERR
exit 1;
}
msg() {
echo "$BO$GR==>$WH $*$NO";
}
trap "die unknown error" ERR
# host system check helpers
check_exe() {
echo -n "checking for $1 ... "
type -p $1 >/dev/null && echo yes || (echo no && die "missing ${2:-$1} in \$PATH")
}
check_file() {
echo -n "checking for $1 ... "
[ -f "$1" ] && echo yes || (echo no && die "missing ${2:-$1} in filesystem")
}
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