On 16.09.2015 14:31, Stefan Sperling wrote: > On Wed, Sep 16, 2015 at 12:08:33PM +0000, Wolfram, Dirk wrote: >>> I agree that the use of the svn:keywords "URL" has to effect a file's >>> contents if $URL$ is used and therefore the timestamp has to be changed as >>> well. >>> >>> But even if the $URL$ keyword is not set and the file contents is not >>> modified during switch, a change of the timestamp occurs. >>> In my example I reduced this to an empty svn:keywords property. > I see. > > This is indeed a side effect of how keyword expansion is implemented (in > general, not just in 'svn switch'). The whole file is run through a > translation process which expands any keywords, adjusts line endings > if necessary, etc, and the result is installed into the working copy > unconditionally. > > So the proposed change is to make Subversion avoid modifying files > where no actual changes occured during this translation process. > I don't see a downside in doing so.
I do: you still have to translate the file, but then you'd have to compare it with the current contents of the working copy. That's potentially a huge performance hit. -- Brane
