From e72f359a313366d5d7795742aa7dc7bd6503f4a8 Mon Sep 17 00:00:00 2001
From: LFDM <1986gh@gmail.com>
Date: Tue, 7 Jan 2014 08:50:44 +0100
Subject: [PATCH] Extracts git_current_branch

---
 lib/git.zsh | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/git.zsh b/lib/git.zsh
index 069fadda7..ac266b8ae 100644
--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -53,17 +53,26 @@
 
 # get the name of the branch we are on
 function git_prompt_info() {
+  local branch
   [[ GIT_HIDE == 'true' ]] && return
-  ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
-    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
+  branch=$(current_branch) || return 1
   printf '%s%s%s%s\n' \
     $ZSH_THEME_GIT_PROMPT_PREFIX \
-    ${ref#refs/heads/} \
+    $branch \
     $(parse_git_dirty) \
     $ZSH_THEME_GIT_PROMPT_SUFFIX
 }
 
 
+# Shows the current git branch.
+# Exits with 1 when git is not available
+git_current_branch() {
+  local ref
+  ref=$(command git symbolic-ref HEAD 2>/dev/null) || \
+    ref=$(command git rev-parse --short HEAD 2>/dev/null) || return 1
+  echo ${ref#refs/heads/}
+}
+
 # Checks if working tree is dirty
 parse_git_dirty() {
   [[ GIT_HIDE == 'true' ]] && return