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✏️ Editing: custom

#!/bin/sh -e
#
#    custom: run the user's custom status scripts
#
#    Copyright (C) 2009 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/>.

__custom_detail() {
	return
}

__custom() {
	local cache="$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND/custom"
	local i= output=
	for i in "$BYOBU_CONFIG_DIR/bin/"[0-9]*_*; do
		# Loop over custom scripts
		# Ensure executable
		[ -x "$i" ] || continue
		# Ignore vim backup files ending in ~
		case "$i" in
			*~) continue ;;
		esac
		local now="$(date +%s)"
		local script=${i##*/}
		local freq=${script%%_*}
		freq=${freq#0}
		local lastrun=
		[ -r "$cache.$script.last" ] && read lastrun < "$cache.$script.last" || lastrun=0
		local expiration=$(($lastrun+$freq))
		if [ $now -ge $expiration ]; then
			"$i" > "$cache.$script" 2>/dev/null
			printf "%s\n" "${now}" > "$cache.$script.last"
		fi
		readfile < "$cache.$script"
		local str="${_RET}"
		case "$str" in
			*"$ESC{"*)
				# User has formatted the colors
				output="$output$(printf "$str")"
			;;
			*)
				# Default coloring
				output="$output$str "
			;;
		esac
	done
	if [ -z "$output" ]; then
		rm -f "$BYOBU_RUN_DIR/status.$BYOBU_BACKEND/custom"*
		return
	fi
	printf "$output" | $BYOBU_SED ':a;N;$!ba;s/\n//g'
}

# vi: syntax=sh ts=4 noexpandtab

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