Re: Metadata and checkin file date

On Tue, 27 Apr 2010, Andreas Ericsson wrote:

On 04/27/2010 09:38 PM, Gerhard Wiesinger wrote:

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On Tue, 27 Apr 2010, Andreas Ericsson wrote:

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On 04/27/2010 07:23 AM, Gerhard Wiesinger wrote:

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Hello,

I'm new to git and I'm looking for the following features:
1.) Metadata for
a.) directory versioning (e.g. add/rm, mv)

If you're talking about empty directories, that feature doesn't
exist and I can't imagine why you'd want it to. If you'd care to
explain why you want it, I'm sure we can find a different way of
achieving your goal.

Git focuses on content but I think git should also focus on metadata.
For example restructuring source code moves (git mv file1.c file2.c, git
mv dir1 dir2) should be documented also in the repository like e.g.
subversion and commercial SCM like clearcase do. Otherwise we are on
"CVS" level.

Empty directories is a special case and sometimes you need just
versioned empty directies.

This has been discussed to death several times before on this mailing
list. Browse the archives. There haven't been any new arguments the
last 14 times it came up, so I doubt you'll be able to come up with
a single good reason to track file renames explicitly.

As it pops up that often by git users I think it is an issue which 
shouldn't be ignored as users should be king :-)

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b.) rights (basic: chmod, chow, chgrp, extended: extended attributes
like ACLs and selinux), necessary for versioning e.g. /etc

Sounds like you want a backup-program. Some projects have been
aimed towards this goal already. I'm sure google can provide
more information. AFAIR, most of them work with two hook-scripts
that update a regular file with the meta-data of all tracked
files. This makes committing and checking out slower than it
would otherwise be, but since it's doing more I suppose that's
to be expected.

Adding it to core git would mean re-designing git's basic data
model, which is obviously not something we're about to do on
a whim.

No, I'm NOT looking for a backup program. Every admin has the problem of
versioning config files (for example /etc). Versioning of config files
makes sense because one can track the changes and e.g. correlate to
problems. A backup program doesn't have features like history, committer
and comments on file changes. Therefore git would be a perfect tool also
for versioning configuration. (Software development doesn't end with the
build but typically also has deployment&configuration issues).

Right. So you want a *fancy* backup program and not just any random
backup solution. There are solutions for this. Someone else already
mentioned them elsewhere in this thread, so I'll refrain from further
comments on this.

In short: What you want can be (and has been) done, but it's written
as addons and not integral parts of git.

A first quick look on them: They are only a workaround to the real 
problem. For example subversion therefore has generic properties which 
also can be user defined (e.g. svn propset/propget) and I think such a 
concept should also be integrated part of git.

Only my 2 cents making git (one of the SCM where I think it is very 
powerful and has also potential in the future) even better than 
competition.

Ciao,
Gerhard

--
http://www.wiesinger.com/