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One of the files in my current head revision got corrupted. I want to make an older revision of that file the head revision as usually people sync to head revsion in my project. How to do that?
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If you want to undo all changes you made in a file since the last update you need to select the file, right click to pop up the context menu and then select the command TortoiseSVN → Revert A dialog will pop up showing you the files that you've changed and can revert. Select those you want to revert and click on OK.
You can use svn merge to “undo” the change in your working copy, and then commit the local modification to the repository. All you need to do is to specify a reverse difference. (You can do this by specifying --revision 392:391 , or by an equivalent --change -392 .)
Click the revision button at top-right and change it to the revision you want. Then right-click your file in the browser and use 'Copy to working copy...' but change the filename it will check out, to avoid a clash.
If you want more control over the update process, you should use TortoiseSVN → Update to Revision... instead. This allows you to update your working copy to a specific revision, not only to the most recent one.
You should revert all changes since that old reversion. In principle,
svn merge -rHEAD:oldrev filename svn commit -m "rolled back to oldrev" should do. The later revisions are still there, but reverted.
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