[Opensim-dev] IAR tar format

[ssm2017]

hello,
i have appened folders to the tar archive using archive.xml then inventory
and then assets.
now, the error is : Archive load for Test User failed - StartIndex cannot
be less than zero.

On Mon, Jan 2, 2023 at 12:16 PM Leal Duarte <ajlduarte at sapo.pt> wrote:

> Hi
>
>       opensim still expects that the tar archive contains files in a
> specific order
>
>      as told by the error you get:  "... does not list all inventory/
> before assets/ ..."
>
> Ubit
>
> On 02-Jan-23 10:53, ssm2017 wrote:
> > hello and happy new year !!!
> >
> > question :
> > what is the tar command line options/parameters to tar an iar ?
> > i am not a C# dev so is there a way to create an iar archive outside of a
> > simulator console ? (cli ? php ? python ?)
> >
> > Explanation :
> > i run a standalone simulator from scratch with Test User.
> > i create an iar archive for this user with "save iar Test User / test
> > test_user.iar".
> > using my wsl2 command line, i extract the file with : tar -zxf
> test_user.iar
> > i can access the files and folders.
> > without touching nothing, i compress again to get the iar again with :
> tar
> > -zcf test_user.iar *
> > then, when using the simulator command "load iar -m Test User / test
> > test_user.iar", it is answering : "Archive load for Test User failed -
> The
> > IAR you are trying to load does not list all inventory/ before assets/".
> >
> > when reading the opensimulator source code, i can see that the tar is
> using
> > tar format v7 with a hack to use long filenames.
> >
> > when i am trying "tar --format=v7 -zcf ....." it complains about too long
> > file name.
> >
> > i could see that the issue is not coming from gzip but from the tar
> itself.
> >
> > here is the 7zip information between the 2 tar files after gzip
> > uncompression :
> > ------------ORIGINAL FROM SAVE IAR------------:
> > Size: 348 406
> > Packed Size: 354 816
> > Folders: 21
> > Files: 25
> > ------------------------:
> > Path: F:\iars\temp\original\test_user.tar
> > Type: tar
> > Warnings: Headers Error
> > Physical Size: 392 704
> > Headers Size: 37 888
> > Code Page: UTF-8
> > Characteristics: LongName ASCII
> > ------------------------:
> > ------------UNTAR then TAR------------:
> > Size: 348 406
> > Packed Size: 354 816
> > Folders: 21
> > Files: 25
> > ------------------------:
> > Path: F:\iars\temp\modified\test_user.tar
> > Type: tar
> > Physical Size: 399 360
> > Headers Size: 44 544
> > Code Page: UTF-8
> > Characteristics: GNU LongName ASCII
> > ------------------------:
> > ------------------------:
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