Re: cg-export incompatible with older versions of GNU tar

From: Petr Baudis <pasky@suse.cz>
Date: Sep 22, 2005, 12:08 UTC
Message-ID: <20050922120841.GH21019@pasky.or.cz>
In-Reply-To: <20050922112331.75971353A0B@atlas.denx.de>

Dear diary, on Thu, Sep 22, 2005 at 01:23:31PM CEST, I got a letter where Wolfgang Denk <wd@denx.de> told me that...

Show 23 quoted lines

> Minor compatibility issue:
> 
> The archives created by the "cg-export" command contain entries  that
> cause problems with older versions of GNU tar:
> 
> -> cg-export /tmp/foo.tar.bz2
> -> tar jtvf /tmp/foo.tar.bz2
> ?rw------- git/git          52 1970-01-01 01:00:00 pax_global_header unknown file type `g'
> drwxr-xr-x git/git           0 2005-09-22 09:46:19 foo/
> -rw-r--r-- git/git      134225 2005-09-22 09:46:19 foo/CHANGELOG
> -rw-r--r-- git/git       15701 2005-09-22 09:46:19 foo/COPYING
> -rw-r--r-- git/git        9960 2005-09-22 09:46:19 foo/CREDITS
> -rw-r--r-- git/git        9578 2005-09-22 09:46:19 foo/MAINTAINERS
> ...
> -> tar jxf foo.tar.bz2 
> tar: pax_global_header: Unknown file type 'g', extracted as normal file
> ...
> -> tar --version
> tar (GNU tar) 1.13.25
> ...
> -> rpm -q git-core cogito
> git-core-0.99.7-1
> cogito-0.15-1

This would be a problem with Core GIT's git-tar-tree. The pax headers seem nice to have, though.

It is unclear if the tar actually extracts the archive or not, though. Does it just complain with those warnings, or are they fatal errors?

-- 
				Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
VI has two modes: the one in which it beeps and the one in which
it doesn't.