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I apologize if it reached you inappropriately; please just reply to this message indicating so.] ** Tags added: bot-comment -- You received this bug notification because you are a member of AIMS, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1059685 Title: tar hijacks lzma Status in Ubuntu: New Bug description: 0 jan@muizenberg:/var/autofs/misc/home/jan$lsb_release -d Description: Ubuntu 12.04.1 LTS 0 jan@muizenberg:/var/autofs/misc/home/jan$dpkg -l tar|tail -1 ii tar 1.26-4ubuntu1 GNU version of the tar archiving utility 0 jan@muizenberg:/var/autofs/misc/home/jan$dpkg -l |grep xz-lzma ii xz-lzma 5.1.1alpha+20110809-3 XZ-format compression utilities - compatibility commands 0 jan@muizenberg:/var/autofs/misc/home/jan$tar --lzma -cf pgd-essay-template.tar.lzma pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$unlzma pgd-essay-template.tar.lzma unlzma: pgd-essay-template.tar.lzma: File format not recognised 1 jan@muizenberg:/var/autofs/misc/home/jan$file pgd-essay-template.tar.lzma pgd-essay-template.tar.lzma: XZ compressed data 0 jan@muizenberg:/var/autofs/misc/home/jan$rm pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$unxz pgd-essay-template.tar.lzma 0 jan@muizenberg:/var/autofs/misc/home/jan$sudo apt-get install lzma Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED xz-lzma The following NEW packages will be installed lzma 0 upgraded, 1 newly installed, 1 to remove and 0 not upgraded. Need to get 52,2 kB of archives. After this operation, 18,4 kB disk space will be freed. Do you want to continue [Y/n]? y Get:1 http://za.archive.ubuntu.com/ubuntu/ precise/main lzma amd64 9.22-2ubuntu1 [52,2 kB] Fetched 52,2 kB in 0s (53,1 kB/s) (Reading database ... 695021 files and directories currently installed.) Removing xz-lzma ... Processing triggers for man-db ... Selecting previously unselected package lzma. (Reading database ... 694994 files and directories currently installed.) Unpacking lzma (from .../lzma_9.22-2ubuntu1_amd64.deb) ... Processing triggers for man-db ... Setting up lzma (9.22-2ubuntu1) ... update-alternatives: using /usr/bin/lzmp to provide /usr/bin/lzma (lzma) in auto mode. 0 jan@muizenberg:/var/autofs/misc/home/jan$tar --lzma -cf pgd-essay-template.tar.lzma pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$rm pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$unlzma pgd-essay-template.tar.lzma unlzma: SetDecoderProperties() error 1 jan@muizenberg:/var/autofs/misc/home/jan$unxz pgd-essay-template.tar.lzma 0 jan@muizenberg:/var/autofs/misc/home/jan$ Whether xz-lzma or lzma is installede, these errors are passed to file-roller, meaning end users using GUI interfaces like unity, nautilus, and file-roller cannot open lzma files created by tar, as they are actually xz files. Note files created by lzma (and not by tar -J or tar --lzma) work fine, again with either lzma and xz-lzma installed: 0 jan@muizenberg:/var/autofs/misc/home/jan$dpkg -l lzma|tail -1 ii lzma 9.22-2ubuntu1 Compression and decompression in the LZMA format - command line utility 0 jan@muizenberg:/var/autofs/misc/home/jan$lzma pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$file pgd-essay-template.tar.lzma pgd-essay-template.tar.lzma: LZMA compressed data, non-streamed, size 1863680 0 jan@muizenberg:/var/autofs/misc/home/jan$unlzma pgd-essay-template.tar.lzma 0 jan@muizenberg:/var/autofs/misc/home/jan$sudo apt-get install xz-lzma Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED lzma The following NEW packages will be installed xz-lzma 0 upgraded, 1 newly installed, 1 to remove and 0 not upgraded. Need to get 12,4 kB of archives. After this operation, 18,4 kB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://za.archive.ubuntu.com/ubuntu/ precise/main xz-lzma all 5.1.1alpha+20110809-3 [12,4 kB] Fetched 12,4 kB in 0s (12,7 kB/s) (Reading database ... 694999 files and directories currently installed.) Removing lzma ... Processing triggers for man-db ... Selecting previously unselected package xz-lzma. (Reading database ... 694994 files and directories currently installed.) Unpacking xz-lzma (from .../xz-lzma_5.1.1alpha+20110809-3_all.deb) ... Processing triggers for man-db ... Setting up xz-lzma (5.1.1alpha+20110809-3) ... 0 jan@muizenberg:/var/autofs/misc/home/jan$lzma pgd-essay-template.tar 0 jan@muizenberg:/var/autofs/misc/home/jan$file pgd-essay-template.tar.lzma pgd-essay-template.tar.lzma: LZMA compressed data, streamed 0 jan@muizenberg:/var/autofs/misc/home/jan$unlzma pgd-essay-template.tar.lzma 0 jan@muizenberg:/var/autofs/misc/home/jan$ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1059685/+subscriptions -- Mailing list: https://launchpad.net/~aims Post to : [email protected] Unsubscribe : https://launchpad.net/~aims More help : https://help.launchpad.net/ListHelp
