#!/bin/sh -e
#
# hostname: report a host's name
#
# Copyright (C) 2008-2011 Canonical Ltd.
# Copyright (C) 2011-2014 Dustin Kirkland
#
# Authors: Dustin Kirkland <kirkland@byobu.org>
#
# 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, version 3 of the License.
#
# 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/>.
__hostname_detail() {
hostname -f 2>/dev/null
}
__hostname() {
local h=
if eval $BYOBU_TEST hostname >/dev/null 2>&1; then
h=$(hostname -s 2>/dev/null || hostname)
elif [ -r /proc/sys/kernel/hostname ]; then
read h < /proc/sys/kernel/hostname
fi
if metadata_available; then
local cache="$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND/hostname"
# Background a retrieval of our public hostname
timeout 0.2 wget -q -O- http://169.254.169.254/latest/meta-data/public-hostname </dev/null >"$cache" 2>/dev/null &
sleep 0.02
[ -s "$cache" ] && read h < "$cache"
fi
[ -n "$h" ] || return
color bold2; printf "%s" "$h"; color --
}
# vi: syntax=sh ts=4 noexpandtab
Mini Shell