Re: [PATCH] Fix --xattrs-include='*' documentation

[Pavel Raiskup]

Ping on this doc-only patch, re-attaching.

Pavel

On pondělí 29. listopadu 2021 9:52:14 CEST Pavel Raiskup wrote:
> One more update after the review in [1].  Patch is updated.
> 
> [1] https://github.com/praiskup/tar/pull/3
> 
> Thanks, Pavel
> 
> On Wednesday, November 24, 2021 4:06:38 PM CET Pavel Raiskup wrote:
> > Updated patch is attached (more appropriate place for the second chunk).
> > 
> > Pavel
> > 
> > On Wednesday, November 24, 2021 3:32:12 PM CET Pavel Raiskup wrote:
> > > * doc/tar.texi (Extended File Attributes): The default extraction
> > > pattern consists of just 'user.*' namespace only.  While on it, try
> > > to explain the reasons for this default behavior.
> > > ---
> > >  doc/tar.texi | 15 ++++++++++++---
> > >  1 file changed, 12 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/doc/tar.texi b/doc/tar.texi
> > > index 389a3448..e03ce3d4 100644
> > > --- a/doc/tar.texi
> > > +++ b/doc/tar.texi
> > > @@ -5647,9 +5647,14 @@ Disable extended attributes support.  This is the 
> > > default.
> > >  Attribute names are strings prefixed by a @dfn{namespace} name and a dot.
> > >  Currently, four namespaces exist: @samp{user}, @samp{trusted},
> > >  @samp{security} and @samp{system}.  By default, when @option{--xattr}
> > > -is used, all names are stored in the archive (or extracted, if using
> > > -@option{--extract}).  This can be controlled using the following
> > > -options:
> > > +is used, all names are stored in the archive (with @option{--create}),
> > > +but only @samp{user} namespace is extracted (if using 
> > > @option{--extract}).
> > > +The reason for this behavior is that any other, system defined attributes
> > > +don't provide us sufficient compatibility promise.  Storing all 
> > > attributes
> > > +is safe operation for the archiving purposes.  Though extracting those
> > > +(often security related) attributes on a different system than originally
> > > +archived can lead to extraction failures, or even misinterpretations.
> > > +This behavior can be controlled using the following options:
> > >  
> > >  @table @option
> > >  @item --xattrs-exclude=@var{pattern}
> > > @@ -5659,6 +5664,10 @@ Specify exclude pattern for extended attributes.
> > >  Specify include pattern for extended attributes.
> > >  @end table
> > >  
> > > +Users shall manually check the attributes are binary compatible with the
> > > +target system first, before any other namespace is extracted with an
> > > +explicit @option{--xattr-include} option.
> > > +
> > >  Here, the @var{pattern} is a globbing pattern.  For example, the
> > >  following command:
> > >  
> > > 
> > 
> > 
> 
>

0001-Fix-xattr-include-documentation.patch
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