c1a04eb61fcdd740bef52cd9da75fd72aeac3cf4

 1diff --git a/plugins/pow/pow.plugin.zsh b/plugins/pow/pow.plugin.zsh
 2index da94b657bfba701a07aa679adeb3ad90546167a2..08e5cf62fee1cbfc402fc88f288ec62e1435ee50 100644
 3--- a/plugins/pow/pow.plugin.zsh
 4+++ b/plugins/pow/pow.plugin.zsh
 5@@ -4,7 +4,6 @@
 6 # Adds a kapow command that will restart an app
 7 #
 8 #   $ kapow myapp
 9-#   $ kapow # defaults to current directory
10 #
11 # Supports command completion.
12 #
13@@ -12,14 +11,40 @@
14 # 
15 #    autoload -U compinit compinit
16 #
17-# Thanks also to Christopher Sexton
18-# https://gist.github.com/965032
19+# Changes:
20 #
21-function kapow {
22-	FOLDERNAME=$1
23-	if [ -z "$FOLDERNAME" ]; then; FOLDERNAME=${PWD##*/}; fi
24-	touch ~/.pow/$FOLDERNAME/tmp/restart.txt;
25-	if [ $? -eq 0 ]; then; echo "pow: restarting $FOLDERNAME" ; fi
26+# Defaults to the current application, and will walk up the tree to find 
27+# a config.ru file and restart the corresponding app
28+#
29+# Will Detect if a app does not exist in pow and print a (slightly) helpful 
30+# error message
31+
32+rack_root_detect(){
33+  setopt chaselinks
34+  local orgdir=$(pwd)
35+  local basedir=$(pwd)
36+
37+  while [[ $basedir != '/' ]]; do
38+    test -e "$basedir/config.ru" && break
39+    builtin cd ".." 2>/dev/null
40+    basedir="$(pwd)"
41+  done
42+
43+  builtin cd $orgdir 2>/dev/null
44+  [[ ${basedir} == "/" ]] && return 1
45+  echo `basename $basedir | sed -E "s/.(com|net|org)//"`
46 }
47+kapow(){
48+  local vhost=$1
49+  [ ! -n "$vhost" ] && vhost=$(rack_root_detect)
50+  if [ ! -h ~/.pow/$vhost ]
51+  then
52+    echo "pow: This domain isn’t set up yet. Symlink your application to ${vhost} first."
53+    return 1
54+  fi
55 
56-compctl -W ~/.pow -/ kapow
57+  [ ! -d "~/.pow/${vhost}/tmp" ] &&  mkdir -p "~/.pow/$vhost/tmp"
58+  touch ~/.pow/$vhost/tmp/restart.txt;
59+  [ $? -eq 0 ] &&  echo "pow: restarting $vhost.dev"
60+}
61+compctl -W ~/.pow -/ kapow