#!/bin/sh -e
#
#    custom: run the user's custom status scripts
#
#    Copyright (C) 2009 Canonical Ltd.
#
#    Authors: Dustin Kirkland <kirkland@canonical.com>
#
#    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"
[ -d "$HOME/.$PKG/bin" ] || exit 0
color 2>/dev/null || color() { true; }

[ -d "/var/run/screen/S-$USER" ] && DIR="/var/run/screen/S-$USER" || DIR="$HOME/.byobu"
NOW=$(date +%s)
CACHE="$DIR/$PKG.custom"

# Loop over custom scripts
for i in "$HOME"/.$PKG/bin/[0-9]*_*; do
	[ -x "$i" ] || continue
	script=$(basename "$i")
	freq=$(echo "$script" | awk -F_ '{print $1}')
	lastrun=$(stat -c %Y "$CACHE.$script") 2>/dev/null || lastrun=0
	expiration=$(expr $lastrun + $freq)
	if [ $NOW -ge $expiration ]; then
		# Update the cache
		$i $@ > "$CACHE.$script" 2>/dev/null
	fi
	output=$(cat "$CACHE.$script")
	if echo "$output" | grep -qs "$ESC{"; then
		# User has formatted the colors
		printf "$output"
	else
		# Default to inverted coloring
		printf "$(color invert)$output$(color -) "
	fi
done