From 25b11a5fba025f599af375e4c7640c8b25a91301 Mon Sep 17 00:00:00 2001
From: Samuel Clements <borntyping@googlemail.com>
Date: Sun, 19 Feb 2012 18:56:08 +0000
Subject: [PATCH] Removed usless functions, made battery meter only display if
 the script exists

---
 themes/twain/prompt_twain_setup | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/themes/twain/prompt_twain_setup b/themes/twain/prompt_twain_setup
index 553030df..4fbbc6b6 100644
--- a/themes/twain/prompt_twain_setup
+++ b/themes/twain/prompt_twain_setup
@@ -11,14 +11,12 @@ function collapse_pwd {
 }
 
 # Get the current battery charge
+# Requires a script that returns a battery meter
 function battery_charge {
-    echo `~/bin/charge.py` 2>/dev/null
-}
-
-# Echo a diffrent character if the current dir is a git repository
-function prompt_char {
-    git branch >/dev/null 2>/dev/null && echo '±' && return
-    echo '○'
+    CHARGE_SCRIPT="~/bin/charge.py"
+    if [[ -a $CHARGE_SCRIPT ]]; then
+        echo `$(CHARGE_SCRIPT)` 2>/dev/null
+    fi
 }
 
 function prompt_twain_setup() {