initial commit

tmux/plugins/tmux-battery/scripts/battery_remain.sh

@@ -0,0 +1,134 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+
+short=false
+
+get_remain_settings() {
+	short=$(get_tmux_option "@batt_remain_short" false)
+}
+
+battery_discharging() {
+	local status="$(battery_status)"
+	[[ $status =~ (discharging) ]]
+}
+
+battery_charged() {
+	local status="$(battery_status)"
+	[[ $status =~ (charged) || $status =~ (full) ]]
+}
+
+
+convertmins() {
+	((h=${1}/60))
+	((m=${1}%60))
+	printf "%02d:%02d\n" $h $m $s
+}
+
+apm_battery_remaining_time() {
+	local remaining_time="$(convertmins $(apm -m))"
+	if battery_discharging; then
+		if $short; then
+			echo $remaining_time | awk '{printf "~%s", $1}'
+		else
+			echo $remaining_time | awk '{printf "- %s left", $1}'
+		fi
+	elif battery_charged; then
+		if $short; then
+			echo $remaining_time | awk '{printf "charged", $1}'
+		else
+			echo $remaining_time | awk '{printf "fully charged", $1}'
+		fi
+	else
+		echo "charging"
+	fi
+}
+
+pmset_battery_remaining_time() {
+	local status="$(pmset -g batt)"
+	if echo $status | grep 'no estimate' >/dev/null 2>&1; then
+		if $short; then
+			echo '~?:??'
+		else
+			echo '- Calculating estimate...'
+		fi
+	else
+		local remaining_time="$(echo $status | grep -o '[0-9]\{1,2\}:[0-9]\{1,2\}')"
+		if battery_discharging; then
+			if $short; then
+				echo $remaining_time | awk '{printf "~%s", $1}'
+			else
+				echo $remaining_time | awk '{printf "- %s left", $1}'
+			fi
+		elif battery_charged; then
+			if $short; then
+				echo $remaining_time | awk '{printf "charged", $1}'
+			else
+				echo $remaining_time | awk '{printf "fully charged", $1}'
+			fi
+		else
+			if $short; then
+				echo $remaining_time | awk '{printf "~%s", $1}'
+			else
+				echo $remaining_time | awk '{printf "- %s till full", $1}'
+			fi
+		fi
+	fi
+}
+
+upower_battery_remaining_time() {
+	battery=$(upower -e | grep -E 'battery|DisplayDevice'| tail -n1)
+	if battery_discharging; then
+		local remaining_time
+		remaining_time=$(upower -i "$battery" | grep -E '(remain|time to empty)')
+		if $short; then
+			echo "$remaining_time" | awk '{printf "%s %s", $(NF-1), $(NF)}'
+		else
+			echo "$remaining_time" | awk '{printf "%s %s left", $(NF-1), $(NF)}'
+		fi
+	elif battery_charged; then
+		if $short; then
+			echo ""
+		else
+			echo "charged"
+		fi
+	else
+		local remaining_time
+		remaining_time=$(upower -i "$battery" | grep -E 'time to full')
+		if $short; then
+			echo "$remaining_time" | awk '{printf "%s %s", $(NF-1), $(NF)}'
+		else
+			echo "$remaining_time" | awk '{printf "%s %s to full", $(NF-1), $(NF)}'
+		fi
+	fi
+}
+
+acpi_battery_remaining_time() {
+	regex="[0-9]+:[0-9]+"
+	if ! $short; then
+		regex="$regex:[0-9]+"
+	fi
+	acpi -b | grep -m 1 -Eo "$regex"
+}
+
+print_battery_remain() {
+	if is_wsl; then
+		echo "?"	# currently unsupported on WSL
+	elif command_exists "pmset"; then
+		pmset_battery_remaining_time
+	elif command_exists "acpi"; then
+		acpi_battery_remaining_time
+	elif command_exists "upower"; then
+		upower_battery_remaining_time
+	elif command_exists "apm"; then
+		apm_battery_remaining_time
+	fi
+}
+
+main() {
+	get_remain_settings
+	print_battery_remain
+}
+main