bugConcurrent Versions System - Bugs: bug #18147, Using -R makes pserver violate...

 
 

bug #18147: Using -R makes pserver violate protocol

Submitted by:  Jeffrey Hutzelman <jhutz>
Submitted on:  Mon 30 Oct 2006 04:50:03 AM UTC  
 
Category:  Bug Fix (patch attached) Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Release: 
Fixed Release:  None Fixed Feature Release:  None

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Mon 30 Oct 2006 04:50:03 AM UTC, original submission:

When cvs is invoked with -R to treat the repository as read-only, it prints out a message warning about the dangers of doing this with repositories to which other users might write(*). Unfortunately, it does this before the command has been identified, with the result that when a server mode is in use, the warning is emitted without encapsulation, which violates the protocol.

The attached patch defers the warning until after server_active has been initialized, and omits it entirely in that case (doing this right would be somewhat harder, and for little gain -- if the server admin has forced use of -R, it seems safe to assume (s)he understands the consequences, and if the command was 'server' as invoked by ext or fork, then the client should have already printed the warning anyway.

(*) Really, this is somewhat overstated. There is no danger of
corrupting the repository or even the user's working
directory. True, an update might get only some changed files
from a simultaneous commit, but this can easily be corrected
by running the update again, and atomicity has never been
CVS's strong suit.

Jeffrey Hutzelman <jhutz>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Attached Files
file #11103:  cvs_readonly_warning.patch added by jhutz (911B - text/x-patch - Don't warn about a read-only repository when acting as server)

 

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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2006-10-30 jhutz Attached File- => Added cvs_readonly_warning.patch, #11103

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