Re: Dar compression of .git/objects

Wow Denis! Both your suggestions are work perfectly :-)

I appreciate the help. Thank you.

On Fri, Dec 20, 2019 at 6:10 AM Denis Corbin <[email protected]> wrote:

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> On 18/12/2019 02:11, C wrote:
> > It's Christmas so perhaps that's another reason!
> >
> > Denis - when you get back. Please help!
> >
>
> Hi all,
>
> Well, I've found why my message was not received by the mailing-list:
> I have been unsubscribed for some reason (seem my provider rejected a
> lot of mails from sourceforge wrongly assuming it was spam ... so
> sourceforge finaly dropped my email from the mailing-list.
>
> Here is what I had wrote december, the 13th:
>
> - ---
>
> you could setup a regular expression matching the git objects
> filenames (use -ar to activate regex instead of glob expressions used
> by default).
> for example: -ar -Z "[0-9a-f]{38}"
>
> But much more simple, you could also increase the minimum size below
> which no compression is tried, using -m option
> for example: -m 10k
>
> - ---
>
>
> > Thanks Richard for your help too.
> >
> > Cheers, C
> >
> > On Wed, Dec 18, 2019 at 12:34 AM Richard Gray
> > <[email protected]
> > <mailto:reallyratherrichard-Re5JQEeQqe8AvxtiuMwx3w-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org>>
> >
> >
> wrote:
> >
> >
> >
> It's
> >
> in the hands of our developer, Denis now. He has been quiet on
> > this one, so I hope he is just taking a quick skiing holiday or
> > something like that. Denis is the only one that can answer this
> > definitively in the short term.
> >
> > On Tue, 17 Dec 2019, 12:15 C,
> > <forallthepublic+dar-Re5JQEeQqe8AvxtiuMwx3w-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org
> > <mailto:forallthepublic%[email protected]>> wrote:
> >
> > Hi Richard,
> >
> > `-ar` is an interesting flag but it doesn't work in this case. The
> > regular expression still applies only to the file name I think.
>
> Yes, this is correct, -Z and -Y only apply to filename not to path. It
> does not make sense to compress differently a file based on the path
> it has been placed in to my point of view.
>
> The decision to compress a file or not should be based on its content,
> which can be guessed based on the filename (usually matching the
> filename extension).
>
> there is also small files that do not worth compressing where from the
> - --min-compr option
>
>
>
> >
> > I downloaded and looked through the dar source code and the
> > relevant line (I think) is in:
> >
> > src/libdar/filtre.cpp:879
> > if(compr_mask.*is_covered*(nom->*get_name()*) &&
> > e_file->get_size()
> >> = min_compr_size)
> >
> > The `is_covered()` check is run on what looks like the file name
> > only (`nom->get_name()`). So perhaps that's why it doesn't work.
> >
> > This is an interesting case, I think, because Git is now so widely
> > used that dar should be able to support it well. Do you not think
> > so?
> >
> > Cheers C
> >
> [...]
>
>
> Thank you Richard for your support help!
>
> Cheers,
> Denis
>
>
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