[Bug 282832] makefs zfs creates images with the same guid

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282832

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|New                         |Open

--- Comment #2 from Mark Johnston <markj@FreeBSD.org> ---
The same GUID is used because I didn't want to break reproducibility of VM
images (the main use-case for makefs -t zfs).  That is, if you and I both build
an image with the same inputs, the output images should be byte-identical.

Certainly the documentation is deficient, I'll work on that.  I don't have
strong feelings on what the default behaviour should be, but I'm a bit inclined
towards keeping the current default and adding a non-reproducible mode.  How
exactly are you using makefs?

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