This fixes checking for git untracked items

The grep expression was incorrect for normal grep. Adding the `-E` option fixed the escaping of the question marks.

This fixes checking for git untracked items
88904506 · Christian Höltje · b8b241f6 · 88904506
Commit 88904506 authored Apr 04, 2013 by Christian Höltje
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git.zsh lib/git.zsh +1 -1

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--- a/lib/git.zsh
+++ b/lib/git.zsh
@@ -62,7 +62,7 @@ function git_prompt_long_sha() {
 git_prompt_status() {
  INDEX=$(git status --porcelain -b 2> /dev/null)
  STATUS=""
-  if $(echo "$INDEX" | grep '^\?\? ' &> /dev/null); then
+  if $(echo "$INDEX" | grep -E '^\?\? ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^A  ' &> /dev/null); then