Re: Comparing a file in two branches

Simon Large-5 wrote:
>
> Hold down the shift key when getting the explorer right-click context
> menu, and you should see Diff-with-URL. That will allow you to diff
> your working copy with some other branch.
>
> Diffing with other revisions on the same branch is easy using the log
> dialog, but how does PVCS allow you diff two revisions on different
> branches easily? What's the GUI?
>
> Simon
>

Thanks Simon - at least I don't feel stupid, as that certainly isn't obvious
:-) Any idea why the need for shift, why not always show the option? It's
still a bit painful to have to browse right the way down the tree again -
it'd be nice if, having selected a branch, there was a button to go straight
to the same sub-path you've got selected under the first branch. But this
will do for now.

PVCS handles revisions and branches differently. You have only a single
file, and creating a new branch creates a new revision of that file. If your
trunk was revision 1.3 and you branched it, you'd create revision 1.3.0.1.
The next checkin of that file on that branch would be 1.3.0.2, and if you
branched the trunk file again you'd get 1.3.1.1. It's therefore trivial for
PVCS to display a tree of all revisions of the file, because they are
literally one archive file on the server. The GUI displays a tree with the
trunk and then each branch, which it can do pretty much instantly, and you
can ctrl-select two revisions to compare.

Stefan - thanks, but unfortunately with our enormous revision history, the
revision graph can take minutes to load :-(

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