Re: [Bug-tar] ACL support in git version of GNU tar

[Markus Steinborn]

Joerg Schilling schrieb:
> star stores the numeric owner in a forth field of an acl: (e.g.
> "u:msteinbo:rwx:500").
> Correct, this is an extension to the ACL format that was needed to allow ACLs
> to be archivable in a reliable way at all.
Fine that you agree that GNU gv should support that.
> > (2b) tar extract should use the 4th field (discussed in point 2) in
> > presence of "-numeric-owner".
> >
> > This together with point (2) enabled users to restore an backup created
> > without numeric owner option on a clean hard disc without passwd entries
> > for the users (let's assume that /etc/passwd is contained in the archive
> > so the operation makes sense).
> >
> > I'd like to mention that this point would increase star compatibility a lot.
> If there is not such behavior, the gtar implementation is of limited usablility.
I agree.
> There are two use cases:
>
> 1)      File servers that do not import nam services. This is rare toway with
>         NFSv4
>
> 2)      Deleted user credentials for old employees.
>         This is something that happens frequently.
... and of cause my use case. Conclusion: GNU tar should definitively 
support it, I think.


Greetings from Germany

Markus Steinborn