From a9c5670c2cf0e67324cbd83a37f73da772f6aecf Mon Sep 17 00:00:00 2001
From: Nils Winkler <nils@nilswinkler.com>
Date: Tue, 12 Apr 2016 09:54:03 +0200
Subject: [PATCH] Added AC indicator support on OS X

Not sure about the logic for returning 1/0 from the function, though -
will have to clarify.
---
 plugins/available/battery.plugin.bash         | 24 ++++++++++++-------
 .../powerline-multiline.theme.bash            |  2 +-
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/plugins/available/battery.plugin.bash b/plugins/available/battery.plugin.bash
index 85af5097..9646b0e7 100644
--- a/plugins/available/battery.plugin.bash
+++ b/plugins/available/battery.plugin.bash
@@ -2,15 +2,23 @@ cite about-plugin
 about-plugin 'display info about your battery charge level'
 
 ac_adapter_connected(){
-    if command_exists acpi;
-    then
-        acpi -a | grep "on-line"
-        if [[ "$?" -eq 0 ]]; then
-           return 1
-        else
-           return 0
-        fi
+  if command_exists acpi;
+  then
+    acpi -a | grep "on-line"
+    if [[ "$?" -eq 0 ]]; then
+      return 1
+    else
+      return 0
     fi
+  elif command_exists ioreg;
+  then
+    local IOREG_OUTPUT=$(ioreg -n AppleSmartBattery -r | grep '"ExternalConnected"' | awk -F'=' '{print $2}')
+    if [[ "$IOREG_OUTPUT" == *"Yes"* ]]; then
+      return 0
+    else
+      return 1
+    fi
+  fi
 }
 
 battery_percentage(){
diff --git a/themes/powerline-multiline/powerline-multiline.theme.bash b/themes/powerline-multiline/powerline-multiline.theme.bash
index 27d51d52..68f7858c 100644
--- a/themes/powerline-multiline/powerline-multiline.theme.bash
+++ b/themes/powerline-multiline/powerline-multiline.theme.bash
@@ -153,7 +153,7 @@ function __powerline_battery_prompt {
     else
       color="${BATTERY_STATUS_THEME_PROMPT_GOOD_COLOR}"
     fi
-    [[ "$(ac_adapter_connected)" ]] && battery_status="${BATTERY_AC_CHAR}${battery_status}"
+    ac_adapter_connected && battery_status="${BATTERY_AC_CHAR} ${battery_status}"
     echo "${battery_status}%|${color}"
   fi
 }