This article already gives a short introduction on how to create patches with SVN and what they’re good for. Now I’ll talk about how to review and apply patches.
The command svn diff creates a textual summary of changes in a specific revision. Even with small changes, those textfiles aren’t very easy to read. KDevelop with its builtin Patch Review tries to solve that problem.
After selecting the base (mostly thats our project), the user chooses a .diff-file which contains the changes of the patch. A dialog shows files affected by it. By doubleclicking specific files, the code will be displayed in the editor.
The screenshot above shows a red X, marking that the light-blue area has been deleted in the patch. By clicking that X the change will be accepted.
This way a patch could be reviewed a lot easier. It’s simply viewing all files and choosing if a specific change should be accepted or not. After reviewing the whole patch, the button “Finish Review” could be clicked, which applys the patch.
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