a1755e652cd96efb22b4956e8ef9759d7d170f5d

 1diff --git a/plugins/rake-fast/rake-fast.plugin.zsh b/plugins/rake-fast/rake-fast.plugin.zsh
 2index cfc9a079f2060ef604d02c35cdf22d378090e011..d305eb1f0516f8a707abf6167b2adc377b1664c7 100644
 3--- a/plugins/rake-fast/rake-fast.plugin.zsh
 4+++ b/plugins/rake-fast/rake-fast.plugin.zsh
 5@@ -8,17 +8,7 @@ _rake_refresh () {
 6 }
 7 
 8 _rake_does_task_list_need_generating () {
 9-  if [ ! -f .rake_tasks ]; then return 0;
10-  else
11-    if [[ "$OSTYPE" = darwin* ]]; then
12-      accurate=$(stat -f%m .rake_tasks)
13-      changed=$(stat -f%m Rakefile)
14-    else
15-      accurate=$(stat -c%Y .rake_tasks)
16-      changed=$(stat -c%Y Rakefile)
17-    fi
18-    return $(expr $accurate '>=' $changed)
19-  fi
20+  [[ ! -f .rake_tasks ]] || [[ Rakefile -nt .rake_tasks ]]
21 }
22 
23 _rake_generate () {