Try it out and see how many megabytes you can shove. Again this is mostly interesting for (very) large packages where the size difference clearly justifies deviating from the default compression tool. deb files also contain compressed tar archives and by default they use gzip as well:ĭ is the archive that contains all the files to be installed and it’s the one that you can compress with another tool if you want. In native packages, it’s much more interesting: for instance the size of dpkg’s source package has been reduced of 30% by switching to bzip2, saving 2Mb of disk. But some maintainers like to use the same compression tool for the upstream tarball and the debian tarball, so you can use this option to harmonize both. That option is usually put in debian/source/options:įor “3.0 (quilt)” source packages, this option is not very useful as the debian tarball that gets compressed is usually not very large. In a native package, dpkg-source must generate the main tarball and you can instruct it to use another tool than gzip with the -compression option. The latter tarball can be compressed with the tool of your choice, you just have to tell dpkg-source which one to use (see below, note that gzip is the default). debian.tar file for source format “3.0 (quilt)”. diff.gz file for source format “1.0” (again only gzip is supported) or in a. The debian packaging files are provided either in a. ![]() Note however that packages using source format “1.0” are restricted to gzip, and the main Debian archive currently only allows gzip and bzip2 (xz might be allowed later) even if the source format “3.0 (quilt)” supports all of them. Put it at the right place and dpkg-source will automatically use it. The upstream tarballs can be compressed with gzip (), bzip2 (2), lzma () or xz (), so choose the one that you want if upstream provides the tarball compressed with multiple tools. dsc file is always uncompressed and it’s fine since it’s a small textual file. In the source packageĪ source package is composed of multiple files. This article will explain where you can make use of them in your Debian packaging work. ZArchiver is a must-have compressed files manager that any user who wants to or needs to work with these types of files on their Android device should install.While gzip is the standard Unix tool when it comes to compression, there are other tools available and some of them are performing better than gzip in terms of compression ratio. Plus, what’s even more important, you'll be able to see the content even if its password protected (as long as you have the password, of course). With ZArchiver you'll also be able to view the content of files that are in 7z, zip, rar, bzip2, gzip, XZ, iso, tar, arj, cab, lzh, lha, lzma, xar, tgz, tbz, Z, deb, rpm, zipx and mtz. Plus, it lets you decompress files that come in 7z, zip, rar, bzip2, gzip, XZ, iso, tar, arj, cab, lzh, lha, lzma, xar, tgz, tbz, Z, deb, rpm, zipx, mtz. The program gives you the option of creating compressed files in any of the following formats: 7z (7zip), zip, bzip2 (bz2), gzip (gz), XZ, tar. It doesn’t matter if you want to see the inside of a compressed document, or you simply want to create a compressed file using several files on your SD card, with ZArchiver you'll do it all in just a few seconds. ZArchiver is an application that lets you manage any compressed files from your Andriod device.
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