[PATCH] Add built-in cvsps equivalent

[Frank Kingswood]

Frank Kingswood wrote:

> Looking at cvsps.c I find it hard to see how it uses the cache. Clearly 
> storing the current state is trivial to do (that's already in cvsps.py 
> as -L) but deciding when not to run cvs rlog is a bit more tricky.

Answering my own question:

	$ ltrace -e popen cvsps -u path
	popen("cvs -q rlog -d 'LASTDATE<;LASTDATE' path",...)

That can't be too difficult.

Frank