[p4] Best way to determine if user has read access to file...

[Stephen Vance]

Actually, protects seems to report the relevant group lines, as well. I 
think Jeff is mistaken on this point based on my experiments, although 
the documentation is not clear on this point.

The weakness seems to the be caveat about exclusionary lines that Rick 
pointed out.

Steve

Jamie.Echlin at barclayscapital.com wrote:
> yes, i had forgotten about the groups. OK, i think i will abandon this
> and just login as the user and try to fstat it. 
>  
> cheers, jamie
>
>
> ________________________________
>
> 	From: jeff.a.bowles at gmail.com [mailto:jeff.a.bowles at gmail.com]
> On Behalf Of Jeff A. Bowles
> 	Sent: 14 May 2008 15:24
> 	To: Echlin, Jamie: IT (LDN)
> 	Cc: perforce-user at perforce.com
> 	Subject: Re: [p4] Best way to determine if user has read access
> to file...
> 	
> 	
> 	I am not connected at the moment so take this with a grain of
> salt. 
>
> 	Logically, it would make sense that you would just say both: "-u
> echlinj" and the filename. That will show you the lines in the
> protection table for that user, specific to that file's path. (The
> interesting line is the last one specified.)
>
> 	But...... and this is a big caveat:
>
> 	It doesn't take into account the groups that echlinj is in. The
> tool truly seems to be for "p4 protect" debugging.
>
> 	(I suppose you could first find the groups that echlinj is in,
> then use "p4 protects" for each one, but that is just ugly and
> inefficient enough for me to want to avoid it.)
>
> 	   -Jeff Bowles
>
> 	On Wed, May 14, 2008 at 5:01 AM,
> <Jamie.Echlin at barclayscapital.com> wrote:
> 	
>
> 		Afternoon,
> 		
> 		What's the best way to determine if a user has read
> access to a file,
> 		short of logging in as them and doing fstat or whatever.
> 		
> 		Let's say my protections are set up like this:
> 		
> 		       write user echlinj * //depot/Jamgraph/...
> 		       write user echlinj * -//depot/Jamgraph/REL1.0/...
> 		
> 		So I have no read/write access to stuff under REL1.0. I
> was hoping this
> 		would work:
> 		
> 		> p4 -u p4admin protects -m -u echlinj
> 		//depot/Jamgraph/REL1.0/src/gparticle.cpp
> 		write
> 		
> 		However I don't have write access to that file.
> 		
> 		Without -m I get:
> 		
> 		write user echlinj * //depot/Jamgraph/...
> 		write user echlinj * -//depot/Jamgraph/REL1.0/...
> 		
> 		I don't really want to parse that to work out which line
> best matches
> 		the file in question. There must be a better way.
> 		
>
>
>
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-- 
Stephen Vance
www.vance.com