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Editorial Team
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Asked: 2026-05-14T18:01:16+00:00

I want to have a pre-commit hook check if the current commit is a

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I want to have a pre-commit hook check if the current commit is a tag, and if so, check for any svn:externals properties and change them to have revisions if they do not. I have a good idea of how to grep for if they are tags or not, but getting and changing the properties is proving challenging.

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  1. Editorial Team

    You can do this in a pre-commit hook via svnlook changed (not missing the transaction information via -t)

    svnlook changed t --copy-info

    This print out something like this:

    A + p2/tags/FIRST-TAG/
(from p2/trunk/:r8)

    So this is a tag…

    Check for properties is fine as well…

    svnlook proplist t /p2/tags/FIRST-TAG

    So far so good. You can now check the contents of an svn:externals.

    But you should never modify anything within a transaction. Never Never do this.
    The best thing is to simply abort the operation (giving back non zero) and give an explanation about this via stderr output.

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