Add inode correcting code-for Windows /from https://github.com/cityindex/logsearch-development-flow/issues/174#issuecomment-24123708

logstash.patch

--- a/lib/filewatch/watch.rb
+++ b/lib/filewatch/watch.rb
@@ -6,6 +6,7 @@ module FileWatch

     public
     def initialize(opts={})
+      @iswindows = ((RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/) != nil)
       if opts[:logger]
         @logger = opts[:logger]
       else
@@ -68,7 +69,13 @@ module FileWatch
           next
         end

-        inode = [stat.ino, stat.dev_major, stat.dev_minor]
+        if @iswindows
+          fileId = Winhelper.GetWindowsUniqueFileIdentifier(path) #Forcing this WinHelper call also seems to ensure that subsiquent stat.size calls don't contain stale data
+          inode = [fileId, stat.dev_major, stat.dev_minor]
+        else
+          inode = [stat.ino.to_s, stat.dev_major, stat.dev_minor]
+        end
+
         if inode != @files[path][:inode]
           @logger.debug("#{path}: old inode was #{@files[path][:inode].inspect}, new is #{inode.inspect}")
           yield(:delete, path)