5/1/2023 0 Comments Svn propedit$ svn commit -m "Merged trunk changes r341:405 into the my-branch." Here's the final merging procedure, then: R341 | user | 15:27:56 -0600 (Thu, ) | 2 linesĪs expected, the final revision printed by this command is the revision in which my-branch was created by copying. The –stop-on-copy will halt log output as soon as svn log detects that its target was copied or renamed. So normally, you'll see history from the trunk as well. The log subcommand will normally show every change ever made to the branch, including tracing back through the copy which created the branch. That means you want to compare revisions 341 and HEAD of your branch directory, and apply those differences to a working copy of the trunk.Ī nice way of finding the revision in which a branch was created (the “base” of the branch) is to use the –stop-on-copy option to svn log. And the final state of your branch is simply a matter of using the HEAD revision. Using svn log on your branch, you can see that your branch was created in revision 341. To express only the changes that happened on your branch, you need to compare the initial state of your branch to its final state. Such a comparison shows too many changes: it would not only show the addition of your branch changes, but also the removal of trunk changes that never happened on your branch. But beware-this assumption is wrong, and has burned many a new user! Since svn merge operates like svn diff, comparing the latest trunk and branch trees will not merely describe the set of changes you made to your branch. Instead of printing the differences to your terminal, however, it applies them directly to your working copy as local modifications.īut which two trees should be compared? At first glance, the answer may seem obvious: just compare the latest trunk tree with your latest branch tree. The svn merge command is almost exactly the same. Both commands are able to compare any two objects in the repository and describe the differences. This command, it turns out, is a very close cousin to the svn diff command (which you read about in Chapter 2, Basic Usage). The two sets of changes may be impossible to separate. If you've merged into a working copy that already has local modifications, the changes applied by a merge will be mixed with your pre-existing ones, and running svn revert is no longer an option. If you get the merge wrong the first time, simply svn revert the changes and try again. Assuming your working copy is tidy, merging isn't a particularly high-risk operation. If your working copy isn't “clean” in these ways, you can run into some headaches. How do I merge the latest patches added to the trunk in my development branch?įirst, always remember to do your merge into a working copy that has no local edits and has been recently updated. You can read more about branching and merging in the book “Version Control with Subversion” in chapter four at. This will also make merging your changes back to trunk much easier, as the only differences between trunk and your branch are the actual changes you have done to the branch. If your work takes a long time, you can easily merge changes from trunk into your working branch to stay in sync with the current development on trunk. When you are done, you can merge the changes back to trunk. The branch is now a identical copy of trunk, and you can check out mybranch. You can also create the branch directly without having a checked-out working copy: When you copy a directory, you don't need to worry about the repository growing huge-Subversion doesn't actually duplicate any data. Subversion's repository has a special design. Of course, this will include the full OOFEM, but there's no harm in doing so. If your dev's directory doesn't exist yet, create it: In order to create a branch or a tag, you must have /branches or /tags checked out, even if not recursing (-N).
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