Battery time remaining until fully charged indicator

INSTALL.md

@@ -111,6 +111,20 @@ Enable high contrast pane border
 set -g @dracula-border-contrast true
 ```
 
+#### battery options
+
+Customize label
+
+```bash
+set -g @dracula-battery-label "♥"
+```
+
+(macOS only) Show time remaining until fully charged
+
+```bash
+set -g @dracula-battery-show-charging-time true
+```
+
 #### cpu-usage options
 
 Customize label
@@ -164,13 +178,13 @@ set -g @dracula-git-disable-status true
 
 Set symbol to use for when branch is up to date with HEAD
 ```bash
-# default is ✓. Avoid using non unicode characters that bash uses like $, * and ! 
+# default is ✓. Avoid using non unicode characters that bash uses like $, * and !
 set -g @dracula-git-show-current-symbol ✓
 ```
 
 Set symbol to use for when branch diverges from HEAD
 ```bash
-# default is unicode !. Avoid bash special characters 
+# default is unicode !. Avoid bash special characters
 set -g @dracula-git-show-diff-symbol !
 ```
 
@@ -188,4 +202,3 @@ Switch from default fahrenheit to celsius
 ```bash
 set -g @dracula-show-fahrenheit false
 ```
-

scripts/battery.sh

@@ -2,6 +2,11 @@
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
 
+current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $current_dir/utils.sh
+
+IFS=' ' read -r -a show_charging_time <<< $(get_tmux_option "@dracula-battery-show-charging-time" "false")
+
 linux_acpi() {
   arg=$1
   BAT=$(ls -d /sys/class/power_supply/BAT* | head -1)
@@ -58,6 +63,32 @@ battery_percent()
   esac
 }
 
+battery_time_left()
+{
+  # Check OS
+  case $(uname -s) in
+    Darwin) # regex test: https://regex101.com/r/yU4wn9/1
+      time=$(pmset -g batt | \
+             grep -Eo '((([1-9][0-9]*|[1-9]):[0-5][0-9])|(0:[1-5][0-9])|(0:0[1-9]))')
+      ;;
+    Linux|FreeBSD)
+      # leaving empty - TODO
+      ;;
+    CYGWIN*|MINGW32*|MSYS*|MINGW*)
+      # leaving empty - TODO - windows compatability
+      ;;
+    *)
+      ;;
+  esac
+  if ! $show_charging_time; then
+    echo ''
+  elif [ -z "$time" ]; then
+    echo ''
+  else
+    echo "($time)"
+  fi
+}
+
 battery_status()
 {
   # Check OS
@@ -111,16 +142,18 @@ main()
   bat_label=$(get_tmux_option "@dracula-battery-label" "♥")
   bat_stat=$(battery_status)
   bat_perc=$(battery_percent)
+  bat_time=$(battery_time_left)
 
-  if [ -z "$bat_stat" ]; then # Test if status is empty or not
+  if [ -z "$bat_stat"]; then # Test if status is empty or not
     echo "$bat_label $bat_perc"
   elif [ -z "$bat_perc" ]; then # In case it is a desktop with no battery percent, only AC power
     echo "$bat_label $bat_stat"
-  else
+  elif [ -z "$bat_time" ]; then # Battery is fully charged
     echo "$bat_label $bat_stat $bat_perc"
+  else
+    echo "$bat_label $bat_stat $bat_perc $bat_time"
   fi
 }
 
 #run main driver program
 main
-