From e8649fc440d9c86a05c213d56505d4e4fb65a3fc Mon Sep 17 00:00:00 2001
From: Jonas Bengtsson <jonas.b@gmail.com>
Date: Tue, 12 Mar 2013 20:47:52 +0100
Subject: [PATCH] git: Add support for detached head state

---
 liquidprompt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/liquidprompt b/liquidprompt
index 0785fc5..c5d87f2 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -660,6 +660,10 @@ _lp_git_branch()
     local gitdir="$(git rev-parse --git-dir 2>/dev/null)"
     [[ $? -ne 0 || "${gitdir##*/}" != .git ]] && return
     local branch="$(git symbolic-ref HEAD 2>/dev/null)"
+    if [[ $? -ne 0 || -z "$branch" ]] ; then
+        # In detached head state, use commit instead
+        branch="$(git rev-parse --short HEAD 2>/dev/null)"
+    fi
     [[ $? -ne 0 || -z "$branch" ]] && return
     echo "${branch#refs/heads/}"
 }