#!/bin/sh
#
# constants: some constant values needed by all library status scripts
#
# Copyright (C) 2011-2014 Dustin Kirkland
#
# Authors: Dustin Kirkland <[email protected]>
#
# 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/>.

PKG="byobu"

. "${BYOBU_PREFIX}/lib/${PKG}/include/icons"
. "${BYOBU_PREFIX}/lib/${PKG}/include/colors"

PCT="%"

# Support two different backends (screen/tmux)
if [ -z "$BYOBU_BACKEND" ]; then
[ -r "/etc/byobu/backend" ] && . "/etc/byobu/backend"
[ -r "$BYOBU_CONFIG_DIR/backend" ] && . "$BYOBU_CONFIG_DIR/backend"
fi
case "$BYOBU_BACKEND" in
tmux)
export BYOBU_BACKEND
BYOBU_ARG_VERSION="-V"
ESC=
;;
screen)
export BYOBU_BACKEND
BYOBU_ARG_VERSION="-v"
ESC="\005"
;;
esac

# MacOS Support
$BYOBU_TEST gsed >/dev/null 2>&1 && export BYOBU_SED="gsed" || export BYOBU_SED="sed"
$BYOBU_TEST greadlink >/dev/null 2>&1 && export BYOBU_READLINK="greadlink" || export BYOBU_READLINK="readlink"
$BYOBU_TEST sensible-pager >/dev/null 2>&1 && export BYOBU_PAGER="sensible-pager" || export BYOBU_PAGER="less"

# Check sed's follow-symlinks feature
$BYOBU_SED --follow-symlinks "s///" </dev/null 2>/dev/null && BYOBU_SED="$BYOBU_SED --follow-symlinks" || true

# Determine if we have ulimit support
$BYOBU_TEST ulimit >/dev/null 2>&1 && export BYOBU_ULIMIT="ulimit" || export BYOBU_ULIMIT="false"

# Find a suitable python interpreter, if undefined
if [ -z "$BYOBU_PYTHON" ]; then
if python3 -c "import snack" >/dev/null 2>&1; then
export BYOBU_PYTHON="python3"
elif python2 -c "import snack" >/dev/null 2>&1; then
export BYOBU_PYTHON="python2"
elif python -c "import snack" >/dev/null 2>&1; then
export BYOBU_PYTHON="python"
fi
fi

export BYOBU_WINDOW_NAME="-"
export BYOBU_DATE="%Y-%m-%d "
export BYOBU_TIME="%H:%M:%S"