AGAIN. Proposal of svn diff returning non-zero when difference found

I hope you kind SVN developers add this solution for SVN users: Have svn
diff accept a special option(e.g. --unix-style-ret) which indicates svn
diff to return 1 when difference found and 2 if some other error happens.

I think this solution is definitely acceptable since it does not break
backwared compatability of SVN's behavior.

You guys can not doubt that the unix return-value scheme is the most
convenient when some invoking script of svn diff only wants to know whether
[ the diff is executed successful AND the contents to diff are identical ].
On the other hand, for svn diff's current behavior, just checking whether
something spouted from svn's stdout is not enough -- you have to monitor
stderr as well, for example: svn diff on a non-existing local file/dir
should indicate a failure, but nothing is written to stdout by svn.

Chen Jun

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Received on Tue Nov 14 03:21:38 2006