First commit

Author: Bruno Sutic

CHANGELOG.md

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+# Changelog
+
+# v0.0.1 2014-06-02
+- first working version

LICENSE.md

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+Copyright (C) 2014 Bruno Sutic
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Tmux online status
+
+### License
+
+[MIT](LICENSE.md)

online_status.tmux

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+online_status_icon="#($CURRENT_DIR/scripts/online_status_icon.sh)"
+online_status_interpolation_string="\#{online_status}"
+
+source $CURRENT_DIR/scripts/shared.sh
+
+do_interpolation() {
+	local string=$1
+	local interpolated=${string/$online_status_interpolation_string/$online_status_icon}
+	echo "$interpolated"
+}
+
+update_tmux_option() {
+	local option=$1
+	local option_value=$(get_tmux_option "$option")
+	local new_option_value=$(do_interpolation "$option_value")
+	set_tmux_option "$option" "$new_option_value"
+}
+
+main() {
+	update_tmux_option "status-right"
+	update_tmux_option "status-left"
+}
+main

scripts/online_status_icon.sh

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+online_option_string="@online_icon"
+offline_option_string="@offline_icon"
+
+online_icon_default="✅ "
+offline_icon_default="⛔️ "
+
+source $CURRENT_DIR/shared.sh
+
+online_status() {
+	ping -c 3 www.google.com >/dev/null 2>&1
+}
+
+print_icon() {
+	local status=$(online_status)
+	# spacer fixes weird emoji spacing
+	local spacer=" "
+	if $status; then
+		printf "$(get_tmux_option "$online_option_string" "$online_icon_default")$spacer"
+	else
+		printf "$(get_tmux_option "$offline_option_string" "$offline_icon_default")$spacer"
+	fi
+}
+
+main() {
+	print_icon "$status"
+}
+main

scripts/shared.sh

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+get_tmux_option() {
+	local option=$1
+	local default_value=$2
+	local option_value=$(tmux show-option -gqv "$option")
+	if [ -z "$option_value" ]; then
+		echo $default_value
+	else
+		echo $option_value
+	fi
+}
+
+set_tmux_option() {
+	local option=$1
+	local value=$2
+	tmux set-option -gq "$option" "$value"
+}