From 120db35b2dd7792b981401f66323e8886668c909 Mon Sep 17 00:00:00 2001
From: Drarok Ithaqua <github@catchall.drarok.com>
Date: Tue, 27 Nov 2012 12:08:18 +0000
Subject: [PATCH] Fix the backwards svn status, and add comments explaining
 which way grep does things.

---
 plugins/svn/svn.plugin.zsh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/svn/svn.plugin.zsh b/plugins/svn/svn.plugin.zsh
index 142ac3bd..79c8bdcd 100644
--- a/plugins/svn/svn.plugin.zsh
+++ b/plugins/svn/svn.plugin.zsh
@@ -1,3 +1,4 @@
+
 function svn_prompt_info {
     if [ $(in_svn) ]; then
         echo "$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_PREFIX\
@@ -29,9 +30,11 @@ function svn_get_rev_nr {
 function svn_dirty_choose {
     if [ $(in_svn) ]; then
         svn status 2> /dev/null | grep -Eq '^\s*[ACDIM!?L]'
-        if [ $pipestatus[-1] -ne 0 ]; then
+        if [ $pipestatus[-1] -eq 0 ]; then
+            # Grep exits with 0 when "One or more lines were selected", return "dirty".
             echo $1
         else
+            # Otherwise, no lines were found, or an error occurred. Return clean.
             echo $2
         fi
     fi