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#REDIRECT [[OS images]] |
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Nearly all the software for the OLPC is open source, so in theory you could acquire the latest versions of all the needed source code together with the tools to compile it, and produce your own software. |
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In practice, centralized procedures regularly assemble the needed software elements in a ''build'' that developers and advanced users can install and test. |
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The [[OS images]] page has more details on this nightly process. |
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Some well-known builds are made widely available as official [[releases]], |
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either as an unscheduled release (also known as a "patch" or [[Software ECO process|ECO]]), |
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or as one of the [[Scheduled software release process|planned releases]] on the [http://dev.laptop.org/roadmap roadmap]. |
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== Build names and branches == |
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; Ship.1 is build 623, and was preloaded on all mass production XO machines for a while. |
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: It isn't preloaded on new machines, and any machine with it installed should since have been updated to Ship.2. It was released around 2007-11-01. It will mostly not be seen by the outside world at all. |
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; Ship.2 is [http://download.laptop.org/xo-1/os/official/650/ build 650] |
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: It is the build received by [[Give One Get One]] recipients, as well as the [[OLPC Uruguay|Uruguay Ceibal project]] users. (Actually, Uruguay is using a slightly custom build, but it's based on Ship.2.) It was released around 2007-12-01. Read the [[OLPC Ship.2 Software Release Notes]]. |
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; OLPC 8.1.0 (Update.1) is [http://download.laptop.org/xo-1/os/official/703/ build 703] |
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: [[OLPC SW-ECO 4]] - This release contains no activities, and is suitable for a base image to be customized by deploying countries using a [[Customization key]]. [[OLPC Update.1 Software Release Notes|Release notes]] are available. Machines can be automatically [[olpc-update|upgraded]] (preserving user data) from Ship.2 to 8.1.0, although '''activities need to be reinstalled''' as they are no longer contained in the image - see the release notes. |
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; OLPC 8.1.1 will be released in June 2008 as a minor update to 8.1.0. The current release candidate is [http://download.laptop.org/xo-1/os/candidate/708/ build 708]. |
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: [[OLPC SW-ECO 5]] - [[OLPC 8.1.1 Software Release Notes|Release notes]] are available. |
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; OLPC [[8.2.0]] is planned to be released in August 2008, current [[Joyride]] builds are progress towards it. |
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: (No ECO yet) |
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; [[Joyride]] builds are available at http://xs-dev.laptop.org/~cscott/olpc/streams/joyride/ |
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: "Joyride" can be thought of as synonymous with "trunk" or "HEAD" or "unstable", much like the Debian/unstable distribution. |
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The [[Releases]] page and http://dev.laptop.org/roadmap enumerate releases beyond 8.2.0. |
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===Patches=== |
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Please see the [[Software ECO process]] for information on the patch release process. |
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Here is a list of the patches to date: |
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* [[OLPC 653 Software Release Notes]] - Ship2 patch1, 653 |
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* [[OLPC 656 Software Release Notes]] ([[OLPC SW-ECO 2]]) - Ship2 patch2, 656 |
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* [[OLPC SW-ECO 4]] - "Peru and Mexico need a build for testing", so Update.1 release candidate 3 was provided as a patch. |
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* [[OLPC SW-ECO 5]] - localized keyboards for Haiti and Ethiopia |
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==Development builds== |
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'''Development builds''' are regular builds of the entire system that have a large number of developing packages included, as they are being tested, broken, fixed and improved. Any given build is likely to have some new features not available anywhere else, as well as some broken old features that are not working because of work on the new. |
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== Release candidates == |
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When an announced release date for a new stable build approaches, say 6 weeks out, work on the development builds slows down -- or at least on a branch slated for release -- and efforts focus on producing a mostly-stable '''release candidate''' build that has few or no known major bugs and is suitable for wide testing by a cadre of community members and developers. |
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A build that is not sufficiently stable and has bugs that interfere with a variety of related tasks is difficult to test. On the flip side, producing a mostly-stable build means throwing out features that are too complex or not fully refined, and a build that does not have many improvements over the last stable build may not be greatly worth an extended testing effort. |
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A fully tested release candidate becomes a [[stable builds|stable build]]. |
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'''Stable builds''' are tested and supported builds that all users are encouraged to install or upgrade to. They are unlikely to have incompatibilities with any core activities, and are kept up to date with security and other urgent updates. |
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These builds are drawn from the rapidly developing [[#development builds]] through a process of testing and review. At announced intervals — currently once or more every 6 months — a relatively stable development build is announced as a [[#release candidates|release candidate]], and tested heavily, updating it only to fix discovered bugs, until a stable build is obtained. |
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A stable build is changed only for the most urgent changes and patches after it is released; further features are daded to the development builds. |
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=== Latest stable build === |
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''see [[OS_images#Latest_Stable_Build]]'' |
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==See also== |
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See [[:Category:Builds]] for other wiki pages related to builds, and likewise [[:Category:Releases]]. |
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[[Category:Builds]] |
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Latest revision as of 18:36, 15 February 2011
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