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 What is a branch?
A branch is a copy of the main code tree (trunk). Experimental or potentially unstable code is developed on a branch, so code can be developed, reviewed and tested without affecting the trunk (which everyone uses).
The JCL repository looks like this:
- Repository (https://jcl.svn.sourceforge.net:443/svnroot/jcl)
- The URL that you checkout to get a copy of the JCL on your machine is:
When a branch is created, it is a copy of the trunk.
- e.g. /trunk is copied to /branches/StrangeBug
- So URL to the jcl folder on the StrangeBug branch would be:
 Example usage of a branch
- Peggy reports a strange bug.
- Elahn creates a branch called StrangeBug and commits a possible solution to it.
- Peggy switches to the branch StrangeBug, tests it and finds that it makes the situation worse.
- Peggy switches back to the trunk.
- Elahn modifies the code based on Peggy's feedback.
- Peggy switches to StrangeBug and finds that it works perfectly.
- The branch StrangeBug is merged into the trunk, so now everyone benefits from the bugfix.
- Peggy switches to the trunk.
- Elahn deletes StrangeBug.
 How do I switch to a branch?
- Right-click on the root folder (e.g. jcl) and select TortoiseSVN --> Switch... Note for advanced users: You can also switch a sub-folder (e.g. jcl\source\windows) or a specific file.
- Enter the URL of the branch and click OK. e.g. https://jcl.svn.sourceforge.net:443/svnroot/jcl/branches/StrangeBug/jcl
- That's it! TortoiseSVN will now convert your jcl folder from the trunk into the branch. (in our example, that's StrangeBug)
- To switch back to the trunk, do the same thing, but use the URL: https://jcl.svn.sourceforge.net:443/svnroot/jcl/trunk/jcl