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Re: how to undo an upgrade

Previously Richard Higson wrote:
> if invoked-with-option-to-revoke-later-if-Im-not-happy && exists /usr/bin/blah
>    copy   /usr/bin/blah /somewhere/safe/usr/bin/blah1
>    untar /from/packaged-v2-blah to /usr/bin/blah
>    twiddle with status-files
>    announce success
> fi

I hope for people using that feature that this pseudocode is
incorrect, it doesn't check dependencies on downgrade at all.


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