From f6f767c78ac1404a20eeeabaca63d94e9210e40c Mon Sep 17 00:00:00 2001
From: "Hristos N. Triantafillou" <me@hristos.triantafillou.us>
Date: Sat, 26 Mar 2016 10:40:11 -0500
Subject: [PATCH] Show rev info when in detached HEAD

If you're in a detached HEAD state, it's not a symbolic ref, and so
`$branch` was left empty.
---
 modules/git/functions/git-info | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/git/functions/git-info b/modules/git/functions/git-info
index 8aaa4c32..2302248b 100644
--- a/modules/git/functions/git-info
+++ b/modules/git/functions/git-info
@@ -215,7 +215,8 @@ function git-info {
   fi
 
   # Get the branch.
-  branch="${$(git symbolic-ref HEAD 2> /dev/null)#refs/heads/}"
+  branch="${$(git symbolic-ref HEAD 2> /dev/null)#refs/heads/}" \
+      || branch="$(git rev-parse --short HEAD 2> /dev/null)"
 
   # Format branch.
   zstyle -s ':prezto:module:git:info:branch' format 'branch_format'