post-receive email

Hi,

  I am using git 1.6.1

I have configured post-receive hook for sending emails on remote push activity.

But I am getting this error while push. any one using this script for email. can you suggest some other working script for this ?

----------------------------------
Counting objects: 5, done.
Compressing objects: 100% (3/3)   Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3)   Writing objects: 100% (3/3), 344 bytes, done.
Total 3 (delta 1), reused 0 (delta 0)
hooks/post-receive: syntax error at line 73: `oldrev=$' unexpected
error: hooks/post-receive exited with error code 2
Pushing to ssh://xxx.xxx.xxx.net/opt/repos/mka.git
To ssh://xxx.xxx.xxx.net/opt/repos/mka.git
   db4b382..186b0af  master -> master
-----------------------------------