Thank you. This does solve the problem.
Ernestas On Sun, Nov 10, 2013 at 5:15 PM, Lasse Collin <lasse.col...@tukaani.org>wrote: > On 2013-11-10 Ernestas Lukoševičius wrote: > > How do I create an XZ compressed archive, which could be compared by > > md5? > > > > Right now, running "tar cJfp" creates a tarball, gives it a timestamp > > and the rest is history, because the timestamp is always different > > and I cannot compare such an archive... Is it possible to avoid it? > > > > gzip has -n, what about XZ and it's implementation on Tar? > > GNU gzip has -n because by default gzip saves timestamp and other > metadata to the .gz header. xz doesn't do such things. In fact xz > doesn't even support metadata for now (it probably will in the future, > but it won't use it by default). > > Probably your tar implementation creates a different .tar file on each > run. E.g. GNU tar 1.27 seems to do this if using --format=pax. With > --format=ustar the output doesn't vary. > > It is also good to keep in mind that future xz versions might create > different output with the same command line options e.g. if the > compression engine is updated. > > -- > Lasse Collin | IRC: Larhzu @ IRCnet & Freenode > >
