[ANNOUNCEMENT] Updated: {xz/liblzma-devel/liblzma1}-4.999.9beta-11
The xz package is the successor to lzma. Its command-line tools support both .lzma files and the new .xz format, and it ships with compatibility links so you don't even need to retrain your fingers: 'lzma', 'lzcat', etc, are all still present. However, you probably should: .xz files are already being used by some upstream source distribution sites, including GNU FSF, and the new format includes features (such as internal integrity checks) that the old .lzma format lacks. The xz package provides a new runtime library: liblzma supports encoding as well as decoding, both .lzma and .xz streams. The older liblzmadec library supported decoding .lzma streams only. Notes about stability: == >From (an old version of) the package README: This is a beta version. The .xz file format is now stable though, which means that files created with the beta version will be uncompressible with all future XZ Utils versions too (assuming that there are no catastrophical bugs). liblzma API is pretty stable now, although minor tweaks may still be done if really needed. The ABI is not stable yet. The major soname will be bumped right before the first stable release. Probably it will be bumped to something like .so.5.0.0 because some distributions using the alpha versions already had to use other versions than .so.0.0.0. For cygwin, this means that the current DLL number "1" will be changed to "5" (or whatever major soname upstream decides on) when xz-5.0 is released. This gives us plenty of room (2-4) for other DLL number changes between now and that release for any issues that pop up. The final 5.0 release is expected relatively soon. However, I wanted cygwin to begin supporting the new (now stable) .xz file format immediately -- and "relatively soon" sounds dangerously close to the (laughable and always wrong) "Real Soon Now". This is routine update to a more recent git snapshot. [[ compiled using gcc-4.3.4-3 ]] CHANGES (since 4.999.9beta-10) o Update to 2010-Apr-01 git snapshot Wed Mar 31 16:47:25 2010 +0300 a1f7a986b8d708f9290da9799ca1b8d7082fad3e o Rebuild using gcc4, against official cygwin-1.7.x release. o Upstream: - Documentation updates - Fix option parsing bug in xz - Fix installation issue on cygwin/mingw. - lzmainfo bugfixes - New lzma_filters_copy(), lzma_physmem(), and io_pread() APIs. - Behavioral modification for filter chain initialization/update: Technically, this is a ABI change, but to date is is only used internally, so I didn't bump the DLL number. - xz now supports --info-memory and --robot options, and a rudimentary implemenation of --list. - Fix various liblzma bugs - liblzma now relies on auto-import, for MinGW/Cygwin - Never accept (or output) compressed data from a tty - xzgrep now supports filenames with spaces -- Charles Wilson volunteer xz maintainer for cygwin To update your installation, click on the "Install Cygwin now" link on the http://cygwin.com/ web page. This downloads setup.exe to your system. Then, run setup and answer all of the questions. *** CYGWIN-ANNOUNCE UNSUBSCRIBE INFO *** If you want to unsubscribe from the cygwin-announce mailing list, look at the "List-Unsubscribe: " tag in the email header of this message. Send email to the address specified there. It will be in the format: cygwin-announce-unsubscribe-you=yourdomain@cygwin.com If you need more information on unsubscribing, start reading here: http://sourceware.org/lists.html#unsubscribe-simple Please read *all* of the information on unsubscribing that is available starting at this URL. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Re: [ANNOUNCEMENT] Updated: {xz/liblzma-devel/liblzma1}-4.999.9beta-11
On 2010-04-11 11:54, Charles Wilson wrote: This is routine update to a more recent git snapshot. [[ compiled using gcc-4.3.4-3 ]] CHANGES (since 4.999.9beta-10) o Update to 2010-Apr-01 git snapshot Wed Mar 31 16:47:25 2010 +0300 a1f7a986b8d708f9290da9799ca1b8d7082fad3e o Rebuild using gcc4, against official cygwin-1.7.x release. o Upstream: - Documentation updates - Fix option parsing bug in xz - Fix installation issue on cygwin/mingw. - lzmainfo bugfixes - New lzma_filters_copy(), lzma_physmem(), and io_pread() APIs. - Behavioral modification for filter chain initialization/update: Technically, this is a ABI change, but to date is is only used internally, so I didn't bump the DLL number. - xz now supports --info-memory and --robot options, and a rudimentary implemenation of --list. - Fix various liblzma bugs - liblzma now relies on auto-import, for MinGW/Cygwin - Never accept (or output) compressed data from a tty - xzgrep now supports filenames with spaces This release will not compress a file with multiple hard links, even when "forced". I'm running an NTFS drive, and my source file has 2 hard-links to it. Running "xz -9evf source.txt" prints: xz: source.txt: Input file has more than one hard link, skipping When using "4.999.9beta-10", it correctly compresses that file. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Re: [ANNOUNCEMENT] Updated: {xz/liblzma-devel/liblzma1}-4.999.9beta-11
On 4/17/2010 10:42 AM, Rolf Campbell wrote: > This release will not compress a file with multiple hard links, even > when "forced". > > I'm running an NTFS drive, and my source file has 2 hard-links to it. > Running "xz -9evf source.txt" prints: > xz: source.txt: Input file has more than one hard link, skipping > > When using "4.999.9beta-10", it correctly compresses that file. Thanks for the report. I'll investigate and report it upstream. -- Chuck -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Re: [ANNOUNCEMENT] Updated: {xz/liblzma-devel/liblzma1}-4.999.9beta-11
On 2010-04-17 11:57, Charles Wilson wrote: On 4/17/2010 10:42 AM, Rolf Campbell wrote: > This release will not compress a file with multiple hard links, even when "forced". I'm running an NTFS drive, and my source file has 2 hard-links to it. Running "xz -9evf source.txt" prints: xz: source.txt: Input file has more than one hard link, skipping When using "4.999.9beta-10", it correctly compresses that file. Thanks for the report. I'll investigate and report it upstream. -- Chuck Did you ever get a response about this? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Re: [ANNOUNCEMENT] Updated: {xz/liblzma-devel/liblzma1}-4.999.9beta-11
On 12/16/2010 10:35 AM, Rolf Campbell wrote: > On 2010-04-17 11:57, Charles Wilson wrote: >> On 4/17/2010 10:42 AM, Rolf Campbell wrote: >> > This release will not compress a file with multiple hard links, even >>> when "forced". >>> >>> I'm running an NTFS drive, and my source file has 2 hard-links to it. >>> Running "xz -9evf source.txt" prints: >>> xz: source.txt: Input file has more than one hard link, skipping >>> >>> When using "4.999.9beta-10", it correctly compresses that file. >> >> Thanks for the report. I'll investigate and report it upstream. >> -- >> Chuck > > Did you ever get a response about this? No, I didn't. Thanks for the nudge. Now that 5.0 is out, officially, I'll give it another test and poke upstream again, but probably not until the holidays. -- Chuck -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
