dos2unix file endings

Good Afternoon All
 
We're running CVS on a linux server and use WinCVS as client on Windows machines to connect via pserver method.  We create shell scripts on windows machine and check them into the repository and I would like the files to retain their linux format file endings since they're only meant to be run on linux application servers eventually.  
 
Although they get created on Window client machines, how can I ensure once they're checked in, they get checked in with Windows file format endings stripped off?  Is there anything I could do on the CVS server side to prevent certain file types (*.sh) or folders containing such files from allowing Windows file format endings or ^M endings?  
 
Thanks.
 
Rez
 
  		 	   		  
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