Allow user install

[Brooks Davis]

On Wed, Jun 27, 2012 at 09:12:39PM -0700, Tim Kientzle wrote:
> 
> On Jun 27, 2012, at 4:59 PM, Brooks Davis wrote:
> 
> > On Tue, Jun 26, 2012 at 09:16:05AM -0700, Simon J. Gerraty wrote:
> >> 
> >> On Tue, 26 Jun 2012 08:18:05 -0700, Tim Kientzle writes:
> >>> Better idea:  have the build write a textual description of the
> >>> tar entries.  That description can then be fed to tar to build
> >>> the actual tarball.
> >> 
> >> Yes, that's what we do - manifest files that tar and other tools use to
> >> produce the install images.
> >> 
> >>> The description format that tar already supports is a variant
> >>> mtree format borrowed from NetBSD.  Each line specifies
> >>> the tar entry fields (filename, owner, permissions, etc) and
> >>> the filename where the file contents are stored.
> >> 
> >> Yes, we've added that support to makefs - I believe it is already in
> >> -current.  There's still quite a bit to do.
> > 
> > It's there except that makefs uses the FreeBSD mtree code which doesn't
> > support the crucial absolute path support in NetBSD's mtree.
> 
> If it helps:  libarchive can read NetBSD's mtree format.

I actually found this because I wanted to use libarchive's mtree output
as input to makefs.

-- Brooks

> 
> >  I took a
> > look at what's required to bring that in a week or two ago.  We need to
> > bring in a number of new or improved functions in libc and we'll have to
> > kill or rename FreeBSD's -i options, but it looks doable.  Not a two
> > hour project, but doable and worthwhile.  Once I get the demo I 'm
> > currently working on out the door I'm planning to start work to bring in
> > NetBSD's mtree and either the related install changes or NetBSD's
> > install.  If someone else wants to start the process that would also be
> > fine with me.  My notes on the issues are below if anyone cares.
> > 
> > -- Brooks
> > 
> > FreeBSD Features not in NetBSD:
> > -i (indent output) conflicts with:
> >     -i                 If specified, set the schg and/or sappnd flags.
> > 
> > -n (Don't emit name)
> > 
> > -q (Quiet mode)
> > 
> > -w    Make some errors non-fatal warnings
> > 
> > Missing keywords:
> > ripemd160digest seems to be spelled rmd160(digest)
> > 
> > nochange missing
> > 
> > Missing library features:
> > flags_to_string()
> > string_to_flags(char **, unsigned long *, unsigned long *);
> > strsvis()
> > pwcache_userdb()
> > pwcache_groupdb()
> > gid_from_group()
> > uid_from_user()
> > 
> 
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