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Unfortunately, I cannot explain exactly what happened. The result is the following: In my repository I have a file foo.bar for which the correct version is HEAD-1. How can I create a new revision, such that the only difference between HEAD and HEAD+1 is that foo.bar in HEAD+1 is the one from HEAD-1. All other elements of the repository should be identical in HEAD+1 to those of HEAD.

By invoking

svn update -rHEAD-1 foo.bar

I obtain a working copy which is the one I want to become HEAD+1. However, svn status doesn't show anything.

I hope my question make some sense...

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up vote 1 down vote accepted

From what I understand, although the rest of the changes in your HEAD revision are fine, you did a mistake in foo.bar and you want to retrieve that for your next revision. Here's how:

Take a snapshot of your foo.bar from the previous revision, using the command you have specified

svn update -r HEAD-1 foo.bar

Then, make a copy of this file and save it as foo.correct.bar

cp foo.bar foo.correct.bar

Restore the file to your current revision

svn update -r HEAD foo.bar

Then, copy over your saved (and correct version of) foo.bar to overwrite the current messed-up version

mv foo.correct.bar foo.bar

Commit it back in as revision HEAD+1

svn commit foo.bar -m "Restoring foo.bar from older revision HEAD-1"

Hope that helps, Sudipta

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I guess this is a classical example of KISS (=Keep It Stupid Simple). I thought I should use some fancy-svn-trick... Thanks a lot! –  Dror Aug 12 '11 at 5:26
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