Re: [Bug-tar] Re: creating identical .tar.gz files for use with version control

[Tim Kientzle]

Nathan Stratton Treadway wrote:
> On Thu, Mar 19, 2009 at 18:02:53 -0400, Chris Pickett wrote:
>
> > For example:
> >
> > tar cvfz a.tar.gz a/
>
> [...]
>
> > However, if I repeat the process without changing the underlying files, 
> > a.tar.gz is different, and thus it needs to get checked in again.
> >
> > Is there an option set I can use to prevent this?  I am using tar-1.19.
>
> Note that, apart from anything the tar command is doing, the "gzip"
> records the current date/time inside the .gz file. 

Good point; I wonder if bzip2 or lzma would
avoid this problem?  I don't think either
of them records the current time.

Chris:  If you do solve this, please let us know
what you did.

Tim